Do you love pretty flowers? Have you ever seen a calla lily? These flowers are very elegant. They come in many colors. Some are white, pink, or yellow. Would you like to grow them? Do you know how to care for calla lilies outdoors? It is easier than you think!
Calla lilies can brighten your garden. They need the right care to bloom. Let’s learn how to care for calla lilies outdoors so they stay healthy and beautiful.

Key Takeaways
- Proper watering is key to how to care for calla lilies outdoors; avoid overwatering.
- Choose a spot with partial shade to protect calla lilies from harsh sunlight.
- Fertilize calla lilies during the growing season for the best blooms.
- Plant calla lily bulbs in well-draining soil to prevent rot.
- Protect calla lilies from frost by covering them or bringing them indoors.

Best Location: How to Care for Calla Lilies Outdoors
Picking the right spot is important. Calla lilies love sunlight. But too much sun can hurt them. They do best in partial shade. This means they get some sun. They also get some shade. A spot with morning sun and afternoon shade is perfect. Look for a place like that in your yard. This will help your calla lilies grow strong. They will have pretty flowers. Think about where the sun shines. Watch your yard during the day. Note where the sun and shade are. Plant your calla lilies where they will be happy. It makes a big difference in how to care for calla lilies outdoors. They will thank you with lots of blooms! You will have beautiful flowers all season long.
- Choose a spot with morning sun and afternoon shade.
- Avoid places with direct sunlight all day.
- Check for good air circulation to prevent diseases.
- Make sure the soil drains well in the chosen spot.
- Consider the mature size of the plants when planting.
Imagine you’re planting a new tree. You would not put it just anywhere. You would find the best spot for it to grow. It is the same with calla lilies. They need a good location. This helps them thrive. Good soil is also important. Make sure the soil drains well. Calla lilies do not like to sit in wet soil. This can cause them to rot. Adding compost can help. Compost makes the soil better. It adds nutrients. Nutrients are like food for the plants. So, finding the right location and having good soil are key steps in how to care for calla lilies outdoors. This will help your calla lilies grow strong and healthy. They will bloom beautifully for you.
Fun Fact or Stat: Calla lilies are not true lilies! They belong to the Araceae family, which also includes plants like peace lilies and elephant ears.
Shade or Sun: What’s Best?
Do you know what your flowers like? Some flowers love the hot sun. Others like to hide in the shade. Calla lilies are a bit picky. They like a mix of both! Too much sun can burn their leaves. Not enough sun and they won’t bloom well. Think of Goldilocks and the Three Bears. Calla lilies want it just right. A spot with morning sun is great. The afternoon shade keeps them cool. Watch your plants. If their leaves look burned, move them to a shadier spot. If they are not blooming, give them a bit more sun. Finding the right balance is important. This balance is key to how to care for calla lilies outdoors. It helps them grow and show off their pretty flowers.
Airflow and Disease Prevention
Have you ever been in a stuffy room? It does not feel good, right? Plants need fresh air too! Good airflow helps keep them healthy. It stops diseases from spreading. When air can move around, leaves dry faster. This makes it harder for mold and fungus to grow. Don’t plant your calla lilies too close together. Give them some space to breathe. This is very important. It is part of how to care for calla lilies outdoors. If you see leaves that look sick, remove them. This stops the problem from spreading. Think of it like washing your hands to stay healthy. Good airflow is like fresh air for your plants. It helps them stay strong and beautiful.
Well-Draining Soil Matters
Imagine your feet stuck in mud all day. That would be yucky! Plants do not like their roots stuck in wet soil either. It can cause them to rot. Calla lilies need soil that drains well. This means the water flows through it easily. If your soil is heavy clay, add some compost. Compost helps the soil drain better. You can also use perlite. Perlite is like tiny white rocks. They help keep the soil loose. When you water your calla lilies, the water should not sit on top of the soil. It should soak in. This is a very important part of how to care for calla lilies outdoors. Healthy roots mean healthy plants. Healthy plants mean beautiful flowers!

Planting Time: How to Care for Calla Lilies Outdoors
Knowing when to plant is important. Calla lilies like warm weather. Wait until the danger of frost is over. Frost can hurt them. Spring is usually a good time to plant. The soil should be warm. You can plant calla lily bulbs or potted plants. Bulbs look like small onions. Plant them a few inches deep. Potted plants are already growing. Dig a hole big enough for the roots. Gently take the plant out of the pot. Put it in the hole. Cover the roots with soil. Water them well. Be gentle when handling the plants. Careful planting is important for how to care for calla lilies outdoors. It helps them get off to a good start. They will grow and bloom for you all season long.
- Wait until after the last frost to plant calla lilies.
- Plant bulbs a few inches deep in the soil.
- Water well after planting to help them settle in.
- Space plants properly to allow for growth.
- Add mulch around the plants to retain moisture.
Think of planting as giving your calla lilies a new home. You want their home to be comfortable. Good soil and enough space are important. Water is also key. Water helps the roots grow. It helps the plant get nutrients. Nutrients are like food for the plant. Be patient. It takes time for the plants to grow. Do not worry if you do not see flowers right away. Keep watering them. Make sure they get enough sunlight. Soon, you will see beautiful blooms. Knowing when and how to plant is a big part of how to care for calla lilies outdoors. It sets the stage for healthy growth and lots of pretty flowers.
Fun Fact or Stat: Calla lilies are native to South Africa. They were brought to Europe and North America in the 17th century.
Bulbs vs. Potted Plants
Do you know what a bulb is? It is like a tiny package. It holds everything a plant needs to grow. Planting bulbs is like planting a surprise. You do not know exactly what you will get. Potted plants are different. You can see the plant already growing. Both are good ways to start calla lilies. Bulbs are usually cheaper. Potted plants give you a head start. They may bloom sooner. Which one you choose is up to you. Both need good soil and water. Both need the right amount of sunlight. The key is to follow the instructions. That is the best way to learn how to care for calla lilies outdoors. Then you can enjoy beautiful flowers, no matter how you start.
Spacing for Healthy Growth
Have you ever been squeezed in a crowded room? It is not comfortable, right? Plants need space to grow too! If you plant them too close together, they will fight for sunlight and water. This can make them weak. Give your calla lilies enough space. Check the plant label. It will tell you how far apart to plant them. This is very important. It is part of how to care for calla lilies outdoors. Good spacing helps air flow around the plants. This keeps them healthy. It also lets them grow to their full size. With enough space, your calla lilies will thrive. They will give you lots of beautiful flowers.
Mulching for Moisture
Imagine a warm blanket on a cold night. Mulch is like a blanket for your plants. It helps keep the soil moist. It also stops weeds from growing. Weeds steal water and nutrients from your plants. Mulch can be made of many things. Wood chips and straw are good choices. Put a layer of mulch around your calla lilies. Be careful not to pile it up against the stems. That can cause them to rot. Mulch is a simple thing. But it makes a big difference. It is a secret weapon in how to care for calla lilies outdoors. It helps your plants stay healthy and strong.

Watering Needs: How to Care for Calla Lilies Outdoors
Water is very important for calla lilies. They need enough water to grow. But too much water can hurt them. It is important to find the right balance. Water them when the soil feels dry. Stick your finger in the soil. If it feels dry, it is time to water. Water deeply. This means water until the soil is wet. Do not just wet the top of the soil. Water in the morning. This gives the leaves time to dry. Wet leaves can get diseases. Knowing how to care for calla lilies outdoors means knowing how to water them. It is a key part of keeping them healthy. Water helps them grow and bloom. They will reward you with beautiful flowers.
- Water calla lilies when the top inch of soil is dry.
- Water deeply to encourage strong root growth.
- Avoid overwatering to prevent root rot.
- Reduce watering during the dormant period.
- Use a watering can or hose with a gentle spray.
Think of watering as giving your plants a drink. They need water to live, just like you. But they do not want to be swimming in water. Too much water can drown them. Check the soil often. Feel it with your finger. If it is dry, give them a drink. If it is wet, wait a day or two. Different weather changes how much water they need. Hot, sunny days mean they need more water. Cool, cloudy days mean they need less. Pay attention to your plants. They will tell you what they need. Good watering is key to how to care for calla lilies outdoors. It helps them grow strong and healthy.
Fun Fact or Stat: Calla lilies can also be grown in water gardens or ponds. Just make sure the roots are submerged, but the leaves and flowers are above the water line.
How Often to Water
Do you water your plants every day? Maybe that is too much. Calla lilies do not like to be too wet. They like the soil to dry out a bit between waterings. Check the soil with your finger. If the top inch is dry, it is time to water. If it is still wet, wait a day or two. There is no set schedule. It depends on the weather. It depends on the soil. It depends on the plant. The best way to know is to check. This is the key to how to care for calla lilies outdoors. Pay attention to your plants. They will tell you what they need.
Signs of Overwatering
Have you ever seen a plant with yellow leaves? That can be a sign of overwatering. Overwatering means the plant is getting too much water. The roots cannot breathe. They start to rot. Other signs include wilting leaves. The soil may also smell bad. If you see these signs, stop watering. Let the soil dry out. You may need to move the plant to better soil. Overwatering is a common problem. But it can be fixed. Just pay attention to your plants. Knowing the signs is important for how to care for calla lilies outdoors. It can save your plants from dying.
Watering During Dormancy
Did you know that plants sleep too? It is called dormancy. During dormancy, plants rest. They do not need as much water. Calla lilies go dormant in the winter. The leaves may turn yellow and die back. This is normal. Stop watering them. Let the soil dry out completely. You can even dig up the bulbs. Store them in a cool, dry place. Then, in the spring, you can plant them again. Dormancy is a natural part of the plant’s life cycle. Understanding it is important for how to care for calla lilies outdoors. It helps you take care of your plants properly.

Fertilizing: How to Care for Calla Lilies Outdoors
Calla lilies need food to grow. Fertilizer is like food for plants. It gives them the nutrients they need. Fertilize your calla lilies during the growing season. This is usually in the spring and summer. Use a balanced fertilizer. Look for one with numbers like 10-10-10. Follow the instructions on the fertilizer package. Do not use too much fertilizer. Too much can burn the plants. Water the plants after fertilizing. This helps the fertilizer soak into the soil. Fertilizing is important for how to care for calla lilies outdoors. It helps them grow strong and produce beautiful flowers.
- Fertilize calla lilies during the growing season.
- Use a balanced fertilizer, such as 10-10-10.
- Follow the instructions on the fertilizer package.
- Water the plants after fertilizing.
- Avoid over-fertilizing, which can harm the plants.
Think of fertilizer as giving your plants a vitamin. It helps them grow strong and healthy. But just like with vitamins, too much can be bad. Follow the instructions on the package. Use the right amount of fertilizer. Do not use more than you need. There are different kinds of fertilizer. Some are liquid. Some are granular. Liquid fertilizer is easy to use. You just mix it with water. Granular fertilizer is slow-release. It feeds the plants over time. Choose the type that works best for you. Knowing when and how to fertilize is important for how to care for calla lilies outdoors. It helps your plants thrive.
Fun Fact or Stat: Calla lilies are often used in weddings. They symbolize purity and beauty.
Choosing the Right Fertilizer
Have you ever been to the store and seen lots of different fertilizers? It can be confusing! Which one should you choose? For calla lilies, a balanced fertilizer is best. Look for numbers like 10-10-10 on the package. These numbers tell you how much nitrogen, phosphorus, and potassium are in the fertilizer. All three are important for plant growth. Nitrogen helps with green growth. Phosphorus helps with roots and flowers. Potassium helps with overall health. Choose a fertilizer that has all three. This is important for how to care for calla lilies outdoors. It will help your plants grow strong and healthy.
How Often to Fertilize
Do you feed your plants every day? That would be too much! Calla lilies only need to be fertilized a few times during the growing season. Fertilize them in the spring when they start to grow. Then fertilize them again a few weeks later. You can fertilize them one more time in the summer. But do not fertilize them in the fall or winter. They are resting then. Over-fertilizing can hurt your plants. It can burn their roots. Follow the instructions on the fertilizer package. This is the best way to know how often to fertilize. Knowing the right schedule is key to how to care for calla lilies outdoors.
Natural Fertilizing Options
Did you know you can fertilize your plants naturally? Compost is a great natural fertilizer. It is made from decayed leaves and food scraps. It adds nutrients to the soil. It also helps the soil drain better. You can also use manure. Manure is animal poop. It is full of nutrients. But be careful. Manure can be strong. Use it sparingly. Natural fertilizers are good for the environment. They also help your plants grow strong. Learning about natural options is part of how to care for calla lilies outdoors. It is a healthy way to feed your plants.
Dealing With Pests: How to Care for Calla Lilies Outdoors
Sometimes, bugs can bother your calla lilies. These bugs are called pests. Common pests include aphids and spider mites. Aphids are small, green bugs. They suck the sap from plants. Spider mites are tiny, spider-like bugs. They make webs on the leaves. You can get rid of pests with insecticidal soap. Spray the soap on the plants. Follow the instructions on the soap package. You can also wash the plants with water. This can knock the pests off. Checking your plants often is important. This helps you catch pests early. Pest control is part of how to care for calla lilies outdoors. It keeps your plants healthy.
- Check calla lilies regularly for pests.
- Use insecticidal soap to control aphids and spider mites.
- Wash plants with water to remove pests.
- Encourage beneficial insects to control pests naturally.
- Remove and destroy infested leaves.
Think of pests as tiny invaders. They want to eat your plants. You need to protect your plants from them. There are many ways to do this. Insecticidal soap is a good option. It is safe for plants and people. You can also use neem oil. Neem oil is a natural pesticide. It comes from the neem tree. Encourage good bugs in your garden. Ladybugs eat aphids. They are your friends. Keeping your plants healthy helps them resist pests. Strong plants are less likely to get sick. Knowing how to deal with pests is important for how to care for calla lilies outdoors. It helps you keep your plants beautiful.
Fun Fact or Stat: Calla lilies are sometimes called arum lilies. This is because they belong to the Araceae family, which used to be called the Arum family.
Identifying Common Pests
Have you ever seen tiny bugs on your plants? It could be aphids or spider mites. Aphids are small and green. They like to hang out on new growth. Spider mites are very tiny. You might not see them. But you will see their webs. They make the leaves look dusty. Other pests include snails and slugs. They eat holes in the leaves. Knowing what the pests look like is important. It helps you know how to get rid of them. This is a key part of how to care for calla lilies outdoors. It helps you protect your plants.
Natural Pest Control Methods
Do you want to get rid of pests without using chemicals? There are many natural ways to do this. Ladybugs eat aphids. You can buy ladybugs at a garden center. They will help keep your plants healthy. You can also use neem oil. Neem oil is a natural pesticide. It is safe for plants and people. You can also make your own insecticidal soap. Mix dish soap with water. Spray it on the plants. Natural methods are good for the environment. They also help your plants grow strong. Learning about them is part of how to care for calla lilies outdoors.
Preventing Pest Infestations
The best way to deal with pests is to stop them before they start. Keep your plants healthy. Healthy plants are less likely to get sick. Water them properly. Fertilize them regularly. Give them enough sunlight. Check your plants often. Look for signs of pests. Remove any infested leaves. Keep your garden clean. Remove weeds and dead leaves. These can harbor pests. Prevention is the best medicine. This is especially true for how to care for calla lilies outdoors. It helps you keep your plants healthy and beautiful.
Protecting From Frost: How to Care for Calla Lilies Outdoors
Calla lilies do not like cold weather. Frost can hurt them. If you live in a cold area, you need to protect them. You can cover them with a blanket. This will keep them warm. You can also bring them inside. Put them in a pot. Keep them in a sunny window. Water them lightly. Do not fertilize them. Wait until the weather warms up. Then you can put them back outside. Protecting your plants from frost is important. It is part of how to care for calla lilies outdoors. It helps them survive the winter. They will bloom again in the spring.
- Protect calla lilies from frost by covering them.
- Bring potted calla lilies indoors during cold weather.
- Store bulbs in a cool, dry place over the winter.
- Avoid watering dormant bulbs.
- Replant bulbs in the spring after the last frost.
Think of frost as a cold monster. It can freeze your plants. You need to protect them. There are different ways to do this. Covering them with a blanket is a simple way. It works well for light frost. Bringing them inside is a better option. It protects them from severe cold. If you dig up the bulbs, store them carefully. Keep them dry. Keep them cool. Do not let them freeze. Then, in the spring, you can plant them again. Knowing how to protect your plants from frost is important for how to care for calla lilies outdoors. It helps them survive the winter and bloom again in the spring.
Fun Fact or Stat: Calla lilies are popular cut flowers. They can last for up to two weeks in a vase.
When to Take Action
How do you know when to protect your plants from frost? Watch the weather forecast. If it says frost is coming, take action. Frost usually happens when the temperature drops below freezing. Freezing is 32 degrees Fahrenheit. Cover your plants before the sun goes down. This will trap the heat in. Remove the covers in the morning. If the frost is light, you can just cover the plants. If the frost is heavy, bring them inside. Knowing when to act is key to how to care for calla lilies outdoors. It can save your plants from damage.
Covering Techniques
What can you use to cover your plants? A blanket is a good option. You can also use a sheet or a tarp. Make sure the cover goes all the way to the ground. This will trap the heat in. You can also use a frost cloth. Frost cloth is a special fabric. It lets air and water through. But it protects the plants from frost. Do not use plastic. Plastic can trap moisture. This can freeze and damage the plants. Using the right covering technique is important for how to care for calla lilies outdoors. It helps protect your plants from the cold.
Storing Bulbs Over Winter
If you live in a cold area, you can dig up your calla lily bulbs in the fall. Let the soil dry out. Then store them in a cool, dry place. A basement or garage is a good option. Keep them in a paper bag or a box. Do not let them freeze. In the spring, you can plant them again. Storing bulbs over winter is a good way to protect them from the cold. It is a key part of how to care for calla lilies outdoors in cold climates. It helps them survive and bloom again next year.
Cutting and Arranging: How to Care for Calla Lilies Outdoors
Calla lilies make beautiful cut flowers. You can cut them and bring them inside. Use a sharp knife or scissors. Cut the stem at an angle. Put the flowers in water right away. Add flower food to the water. This will help them last longer. Change the water every day. Remove any leaves that are below the water line. Calla lilies can last for up to two weeks in a vase. Cutting and arranging them is a fun way to enjoy them. It is also part of how to care for calla lilies outdoors. It encourages them to produce more flowers.
- Cut calla lilies in the morning.
- Use a sharp knife or scissors to cut the stems at an angle.
- Place the cut flowers in water immediately.
- Add flower food to the water to prolong their life.
- Change the water every day and trim the stems.
Think of cutting flowers as giving your plants a haircut. It encourages them to grow more. When you cut a flower, the plant sends out new shoots. This makes it bushier. It also produces more flowers. Cutting flowers is a good way to keep your plants healthy. It also gives you beautiful flowers to enjoy inside. Arrange the flowers in a vase. Add other flowers and greenery. Create a beautiful display. Enjoy the beauty of your calla lilies. Knowing how to cut and arrange them is a fun part of how to care for calla lilies outdoors. It lets you bring the beauty of your garden inside.
Fun Fact or Stat: The “flower” of a calla lily is not actually a flower. It is a modified leaf called a spathe. The true flowers are tiny and located on the spadix, the yellow spike in the center.
Best Time to Cut
When is the best time to cut calla lilies? Cut them in the morning. This is when they are the freshest. The flowers have had all night to soak up water. They will last longer if you cut them in the morning. Avoid cutting them in the heat of the day. This can stress the plants. Use a sharp knife or scissors. This will make a clean cut. A clean cut helps the plant heal quickly. It also helps the flower last longer. Knowing the best time to cut is important for how to care for calla lilies outdoors. It helps you get the most out of your plants.
Arranging Tips and Tricks
Do you want to make your calla lily arrangements look amazing? Here are some tips. Use a tall vase. Calla lilies have long stems. They need a vase that is tall enough to support them. Add other flowers and greenery. This will make the arrangement more interesting. Use different colors and textures. This will add depth and dimension. Change the water every day. This will keep the flowers fresh. Trim the stems every day. This will help them absorb water. Following these tips will help you create beautiful calla lily arrangements. It is a fun part of how to care for calla lilies outdoors.
Extending Vase Life
How can you make your cut calla lilies last longer? Add flower food to the water. Flower food contains nutrients that help the flowers stay fresh. You can buy flower food at a garden center. You can also make your own. Mix sugar, vinegar, and bleach with water. Change the water every day. This will prevent bacteria from growing. Bacteria can shorten the life of the flowers. Trim the stems every day. This will help them absorb water. Keep the flowers away from direct sunlight. Sunlight can make them wilt. Following these tips will help you extend the vase life of your calla lilies. It is a useful skill for how to care for calla lilies outdoors.
| Care Task | Frequency | Importance | Notes |
|---|---|---|---|
| Watering | When top inch of soil is dry | High | Avoid overwatering; water deeply |
| Fertilizing | Spring and Summer | Medium | Use balanced fertilizer; follow instructions |
| Pest Control | Regularly | Medium | Check for pests; use insecticidal soap |
| Frost Protection | When frost is predicted | High | Cover plants or bring indoors |
Summary
Calla lilies are beautiful flowers. They can brighten any garden. Knowing how to care for calla lilies outdoors is important. They need the right location. Partial shade is best. They need well-draining soil. Good watering is key. Do not overwater them. Fertilize them during the growing season. Protect them from pests. Cover them during frost. With the right care, your calla lilies will thrive. They will bloom beautifully for you. You can also cut them and bring them inside. They make beautiful cut flowers. Enjoy the beauty of your calla lilies.
Remember to check your plants often. Pay attention to their needs. Adjust your care as needed. Every garden is different. What works for one garden may not work for another. Experiment and learn. Have fun growing your calla lilies. With a little effort, you can have a beautiful garden full of these elegant flowers. They will bring joy to your life.
Conclusion
Calla lilies are a wonderful addition to any garden. They are easy to grow with the right care. Remember to plant them in partial shade. Water them properly. Fertilize them during the growing season. Protect them from pests and frost. Knowing how to care for calla lilies outdoors will help you enjoy these beautiful flowers for years to come. So get out there and start planting!
Frequently Asked Questions
Question No 1: How often should I water my calla lilies outdoors?
Answer: Watering frequency depends on the weather and soil conditions. Check the top inch of soil. If it feels dry, it is time to water. Water deeply, but avoid overwatering. Overwatering can lead to root rot. Calla lilies like moist soil, but not soggy soil. During hot, dry weather, you may need to water more often. During cool, wet weather, you may need to water less often. Pay attention to your plants. They will tell you what they need. This is a key part of how to care for calla lilies outdoors.
Question No 2: What kind of fertilizer should I use for my calla lilies?
Answer: Use a balanced fertilizer for your calla lilies. Look for numbers like 10-10-10 on the package. These numbers tell you how much nitrogen, phosphorus, and potassium are in the fertilizer. All three are important for plant growth. Follow the instructions on the fertilizer package. Do not use too much fertilizer. Too much can burn the plants. Fertilize your calla lilies during the growing season. This is usually in the spring and summer. Knowing what fertilizer to use is an important part of how to care for calla lilies outdoors.
Question No 3: How do I protect my calla lilies from frost?
Answer: Calla lilies do not like cold weather. Frost can hurt them. If you live in a cold area, you need to protect them. You can cover them with a blanket. This will keep them warm. You can also bring them inside. Put them in a pot. Keep them in a sunny window. Water them lightly. Do not fertilize them. Wait until the weather warms up. Then you can put them back outside. Protecting your plants from frost is important for how to care for calla lilies outdoors, especially in colder climates.
Question No 4: Why are the leaves on my calla lilies turning yellow?
Answer: Yellow leaves can be a sign of several problems. It could be overwatering. It could be underwatering. It could be a nutrient deficiency. Check the soil. Is it too wet? Is it too dry? Are you fertilizing regularly? Adjust your care as needed. Yellow leaves can also be a sign of disease. If you see other signs of disease, treat the plants accordingly. Pay close attention to the plant’s symptoms. Addressing the underlying cause is essential for how to care for calla lilies outdoors.
Question No 5: How do I get my calla lilies to bloom?
Answer: Calla lilies need the right conditions to bloom. Make sure they are getting enough sunlight. Partial shade is best. Make sure they are getting enough water. Do not overwater them. Fertilize them during the growing season. Use a balanced fertilizer. Remove any dead or dying leaves. These can take energy away from the plant. Be patient. It may take some time for them to bloom. Sometimes, the first year they focus on root growth. Proper care is crucial for how to care for calla lilies outdoors and encouraging blooms.
Question No 6: Can I grow calla lilies in containers outdoors?
Answer: Yes, you can grow calla lilies in containers outdoors. Choose a pot that is large enough for the plant. Make sure the pot has drainage holes. Use well-draining soil. Water the plants regularly. Fertilize them during the growing season. Protect them from frost. Growing calla lilies in containers is a great option if you do not have a garden. It also makes it easier to move them around. This is especially helpful if you need to protect them from frost. Container gardening is a practical approach to how to care for calla lilies outdoors.