Zantedeschia (Calla Lily) Denver (Pack of 1)

Zantedeschia Denver

Calla Lily Denver, a luminous white variety of Zantedeschia, captivates with its semi-double blooms and stately presence. Known for its upright trumpet-shaped flowers and deep green, glossy foliage, Calla Denver offers refined beauty for any garden or floral arrangement. Its statuesque blooms and vigorous summer performance make it a favorite for weddings, garden borders, and container displays. With sturdy stems and long-lasting flowers, Lily Denver is both a design feature and a reliable bloomer for warm-season gardens.

• USDA Zones: 8–10
• Bloom Time: Summer
• Height: 20"
• Planting depth/Spacing: 4"/12"
• Deer Resistant: Yes

To learn more about the bulbs’ upkeep and maintenance, please visit our blogs and videos below.

This premium calla lily variety thrives in full sun to partial shade and excels in well-drained, nutrient-rich soils. It’s a standout performer in beds, borders, and decorative containers, offering showy blooms and lush foliage that elevate any landscape design.

Key Characteristics and Benefits of Growing Calla Lily Denver

• Bold White Flowers: Semi-double white blooms deliver an elegant, radiant presence in any setting.
• Tall and Upright: Reaches 20" in height, providing vertical interest in garden beds and floral arrangements.
• Excellent Cut Flower: Strong, upright stems and long-lasting blooms make it a florist’s favorite.
• Simple to Grow: Ideal for both beginner and experienced gardeners seeking reliable summer color and low-maintenance beauty.
• Multiple Uses: Perfect for weddings, borders, patio containers, and modern garden designs.

Growing Calla Lily Denver Bulbs

Plant Calla Lily Denver bulbs in spring once the risk of frost has passed. Place them 4 inches deep and 12 inches apart in moist, well-draining soil. Full sun to partial shade will support lush foliage and abundant blooms.

For more tips on caring for flower bulbs, explore our complete Flower Bulb Growing Guide .

Climate and Soil Requirements

Hardy in USDA zones 8–10, calla lilies require a warm growing season and winter protection in cooler areas. For successful results, choose a site with rich, loose soil that drains well to prevent waterlogging.

Sunlight and Watering

Maintain consistently moist soil during the growing season, especially in hotter climates or containers. Reduce watering after bloom time to allow the plant to enter dormancy naturally.

Care and Maintenance

Learn about the full Calla Lily life cycle and seasonal care to support long-term health and flowering. In colder climates, lift and store bulbs in fall. In warmer zones, allow foliage to die back undisturbed and mulch for winter insulation.

Calla Lily Propagation and Division

Calla lily propagation is best achieved through division of rhizomes. After the plant has finished blooming and the foliage has faded, carefully separate healthy rhizome segments and store or replant them in spring. This method encourages vigorous growth and increased bloom count year after year.

Multiple Trusted Brands at Grow Organic

At Grow Organic, we proudly offer Zantedeschia (Calla Lily) Denver bulbs from multiple premium, trusted brands. This gives you more flexibility to select your preferred bulb source—whether based on growing method, budget, or certification—ensuring high-quality performance with every plant.

Explore even more spring favorites in our Annual Flower Seeds Collection.