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Calla Lilies in Containers: A Comprehensive Guide to Growing and Care

Introduction
Calla lilies (Zantedeschia) are elegant and sophisticated flowers that add a touch of class to any indoor or outdoor space. While they are often associated with special occasions like weddings and funerals, calla lilies can also be grown in containers for year-round enjoyment.
Whether you’re a novice gardener or an experienced horticulturist, this comprehensive guide will provide you with all the information you need to successfully grow and care for calla lilies in containers.
Choosing the Right Container
The type of container you choose will depend on the size of your calla lilies and where you plan to display them. Here are a few factors to consider:
- Size: Calla lilies come in various sizes, so choose a container that is large enough to accommodate the root system without being too spacious.
- Material: Containers can be made from a variety of materials, including ceramic, plastic, metal, and wood. Choose a material that is durable and weather-resistant.
- Drainage: Calla lilies require well-drained soil, so make sure the container has drainage holes at the bottom.
Soil and Planting
Calla lilies prefer moist, nutrient-rich soil with a pH between 6.0 and 6.5. A good potting mix for calla lilies consists of equal parts compost, peat moss, and perlite.
To plant calla lilies in a container, follow these steps:
- Fill the container with potting mix, leaving about 2 inches of space at the top.
- Dig a hole in the potting mix deep enough to accommodate the calla lily’s roots.
- Carefully remove the calla lily from its nursery pot and place it in the hole.
- Fill the hole with potting mix and gently firm it around the base of the calla lily.
- Water the newly planted calla lily thoroughly.
Water and Fertilisation
Calla lilies have moderate water needs. Water your calla lilies deeply and regularly, allowing the soil to dry out slightly between waterings. Avoid overwatering, as this can lead to root rot.
Fertilise your calla lilies monthly with a balanced liquid fertiliser. Dilute the fertiliser to half strength and apply it according to the manufacturer’s instructions.
Sunlight and Temperature
Calla lilies grow best in bright, indirect light. They can tolerate full sun in cooler climates, but in warmer climates, they should be protected from the hot afternoon sun.
Calla lilies prefer cool temperatures. The ideal temperature range for calla lilies is between 55°F and 65°F (13°C and 18°C). They can tolerate temperatures as low as 40°F (4°C), but they will go dormant in cold weather.
Pruning and Maintenance
Calla lilies require minimal pruning. Deadhead spent flowers to encourage the growth of new blooms. Remove yellowed or damaged leaves as needed.
Calla lilies are relatively low-maintenance plants. However, they can be susceptible to a few pests and diseases. Aphids, spider mites, and mealybugs can infest calla lilies. Treat infestations with an insecticidal soap or neem oil.
Overwintering Calla Lilies in Containers
Calla lilies are not cold-hardy and cannot survive winter in most climates. However, you can overwinter calla lilies in containers by following these steps:
- Bring the container indoors before the first frost. Cut back the calla lily’s foliage to about 6 inches.
- Place the container in a cool, dark place, such as a basement or garage.
- Water the calla lily sparingly over the winter, allowing the soil to dry out completely between waterings.
- In the spring, gradually increase the amount of water and sunlight you give the calla lily. Repot the calla lily in fresh potting mix when new growth appears.
Conclusion
Growing calla lilies in containers is a rewarding experience that can add a touch of elegance and sophistication to your home or garden. By following the tips and advice in this guide, you can successfully grow and care for calla lilies in containers.
With their beautiful flowers and easy-care nature, calla lilies are a great choice for gardeners of all levels.
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