Arum Lily White Giant: A Comprehensive Guide for Gardeners

Introduction

The Arum Lily White Giant, scientifically known as Zantedeschia aethiopica ‘White Giant’, is a striking and elegant plant that adds a touch of exotic beauty to any garden. This regal plant is native to South Africa and is renowned for its large, lily-like flowers and lush foliage.

Growing Arum Lilies can be a rewarding experience for gardeners of all levels. This comprehensive guide will provide you with all the information you need to successfully cultivate and enjoy these magnificent plants.

Characteristics of the Arum Lily White Giant

• Size: The Arum Lily White Giant is a large plant, reaching heights of 120-180 cm (4-6 feet).
• Flowers: The flowers are large, white, trumpet-shaped spathes with a central yellow spadix. They bloom in midsummer and last for several weeks.
• Leaves: The leaves are large, glossy, and arrow-shaped. They are dark green in color and form a clump at the base of the plant.
• Growth Habit: The Arum Lily White Giant is a rhizomatous perennial that spreads by underground rhizomes.

Planting and Care

Planting

Soil: Arum Lilies prefer moist, well-drained soil that is rich in organic matter. The ideal soil pH is between 5.5 and 6.5.

Location: Plant in a location that receives full sun to partial shade. In hot climates, afternoon shade is recommended.

Spacing: Space plants 30-45 cm (1-1.5 feet) apart.

Planting Depth: Plant the rhizomes 5-7.5 cm (2-3 inches) deep, with the tips facing up.

Care

Watering: Water the plants regularly, especially during hot, dry conditions. Avoid overwatering.

Fertilizing: Fertilize monthly during the growing season with a balanced fertilizer.

Mulching: Mulch around the plants with organic matter such as compost or bark to retain moisture and suppress weeds.

Support: The tall flower stalks may require support, especially in windy areas.

Winter Protection: In cold climates, cover the plants with mulch or move them indoors for the winter.

Propagation

Arum Lilies can be propagated by division or by seed.

Division

Divide the rhizomes in early spring or fall. Dig up the plant and carefully separate the rhizomes. Replant the divisions immediately.

Seeds

Sow the seeds indoors 6-8 weeks before the last frost. Transplant the seedlings outdoors after all danger of frost has passed.

Pests and Diseases

Arum Lilies are generally pest and disease resistant, but they can be susceptible to:

• Aphids
• Spider mites
• Root rot
• Leaf spot

Monitor the plants regularly for signs of pests or diseases and treat accordingly.

Uses in the Garden

Arum Lilies White Giant make a stunning addition to any garden. They can be used:

• As a focal point in flower beds
• As a cut flower for arrangements
• To create a tropical or exotic atmosphere
• To attract butterflies and hummingbirds

Conclusion

The Arum Lily White Giant is a truly magnificent plant that can add a touch of elegance and beauty to any garden. By following the tips in this guide, you can successfully grow and enjoy these stunning blooms for years to come.