White Giant Calla Lily Rhizomes – Zantedeschia aethiopica

Create a bold focal point with White Giant calla lily (Zantedeschia aethiopica). This large-growing perennial produces striking white, funnel-shaped blooms on individual stems, bringing a tropical look to moist garden beds and spacious containers. Cut a few stems for dramatic indoor arrangements or enjoy the flowers in the landscape.

What You Receive

Choose 1, 3, or 10 planting rhizomes, labeled as bulbs in the quantity options. This listing is for rhizomes, not seeds or established potted plants.

Plant Highlights

• Plant: White Giant calla lily, also known as arum lily.
• Botanical name: Zantedeschia aethiopica.
• Family: Araceae.
• Flowers: Large white funnels, listed at up to approximately 6 inches long, with one bloom per flowering stem.
• Growth: Can reach approximately 7 feet in favorable conditions with ample moisture and fertility; size varies by climate and care.
• Flowering: A strong spring display with possible repeat flowering during favorable growing conditions.
• Uses: Moist garden beds, large containers, landscape accents, and cut flowers.

Choosing a Growing Site

Provide rich soil and consistent moisture during active growth. This species tolerates wetter conditions than many colored calla hybrids, making it useful in moist garden areas. Avoid letting newly planted rhizomes sit in cold, stagnant water.

Choose sun to partial shade, adjusting exposure to your climate. Good light supports flowering, while some afternoon shade can help in very hot locations. Allow ample room for the mature plant rather than crowding it among smaller specimens.

Planting Your Rhizomes

Plant when conditions are mild and frost danger has passed. Position rhizomes with visible growing points facing upward, following the planting depth and spacing supplied with your order. Water after planting and maintain moisture as roots and shoots develop. Emergence and first flowering depend on temperature, rhizome condition, and establishment.

Growing in Containers

Use a large, heavy, stable container with room for a vigorous root system and drainage holes. Fill with a rich potting mix that holds moisture while allowing excess water to drain. Start with a pot suited to the rhizome and move up as the plant develops.

Check moisture frequently, particularly in hot or windy weather. Water thoroughly during active growth and feed with a suitable fertilizer according to its label. Large plants can become top-heavy, so choose a sheltered position and avoid small, lightweight pots.

Flowering and Ongoing Care

Maintain consistent moisture and adequate nutrition while plants are growing. An established rhizome can produce multiple flowering stems, but bloom quantity and timing are not guaranteed. Cut flowers with clean tools and leave healthy green foliage intact to support the plant.

Cold-Weather and Indoor Care

Cold tolerance depends on local conditions, drainage, and whether the plant is in the ground or a container. Protect container-grown plants before freezing weather rather than relying on an exact minimum temperature. In cold climates, move pots into a frost-free sheltered space or follow the supplier’s instructions for lifting and storing rhizomes.

A bright indoor space or greenhouse may support continued growth; winter flowering requires suitable light and warmth and is not guaranteed. Adjust watering to growth, reducing it if the plant becomes dormant.

Plant Safety

Ornamental only, not edible. Calla lilies are harmful if eaten and may irritate skin and the mouth. Keep plants and rhizomes away from children and pets. Wear gloves when handling if your skin is sensitive.