Double Calla Lily: A Guide to Planting, Care, and Varieties

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Introduction

Double calla lilies, known for their captivating trumpet-shaped blooms and elegant foliage, are a popular choice for gardens and floral arrangements. This comprehensive guide will provide in-depth information on planting, care, and the various varieties of double calla lilies. Whether you’re an experienced gardener or just starting out, this guide will help you cultivate beautiful and healthy double calla lilies.

Planting

Soil Requirements

  • Double calla lilies prefer well-drained, nutrient-rich soil.
  • Amend heavy soils with organic matter such as compost or peat moss.
  • Maintain a pH level between 6.0 and 6.5.

Planting Depth and Spacing

  • Plant corms (bulbs) 2-3 inches deep and 6-8 inches apart.
  • The pointed end of the corm should be facing up.
  • Water thoroughly after planting.

Planting Time

Double calla lilies can be planted in spring after the last frost date. Avoid planting in autumn or winter, as the corms can rot in cold, wet conditions.

Care

Light Requirements

  • Double calla lilies thrive in full sun to partial shade.
  • Too much direct sunlight can cause the leaves to burn.

Watering

  • Water regularly, especially during the growing season.
  • Keep the soil consistently moist, but avoid overwatering.
  • Water at the base of the plant to avoid getting the foliage wet.

Fertilizing

  • Fertilize every 2-3 weeks with a balanced liquid fertilizer.
  • Avoid overfertilizing, as this can damage the plant.

Mulching

  • Mulch around the plants to retain moisture and suppress weeds.
  • Use organic mulch such as compost, bark, or shredded leaves.

Varieties

There are over 200 varieties of double calla lilies, each with unique colors, sizes, and bloom forms.

White

Variety Color Bloom Time
‘White Diamond’ Pure white Early summer
‘Polar Star’ Creamy white Midsummer
‘Crystal Clear’ Snow white Late summer

Pink

Variety Color Bloom Time
‘Pink Charm’ Light pink Early summer
‘Apricot Blush’ Apricot-pink Midsummer
‘Raspberry Sorbet’ Deep pink Late summer

Yellow

Variety Color Bloom Time
‘Golden Trumpet’ Bright yellow Early summer
‘Lemon Drop’ Pale yellow Midsummer
‘Sunburst’ Deep yellow Late summer

Other

Variety Color Bloom Time
‘Night Rider’ Blackish-purple Early summer
‘Amethyst’ Violet Midsummer
‘Green Goddess’ Chartreuse Late summer

Tips

  • Deadhead spent blooms to promote new growth.
  • Divide and replant corms every 3-4 years to prevent overcrowding.
  • Protect plants from frost by mulching heavily or bringing them indoors.
  • Cut back foliage in autumn after it has died back.
  • Callas are toxic to pets, so keep them out of reach.

Conclusion

Double calla lilies are a beautiful and versatile addition to any garden. By following the guidelines outlined in this guide, you can successfully plant, care for, and enjoy the vibrant blooms of double calla lilies for many seasons to come.

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