'Rialto' Calla Lily Bulbs | Zantedeschia hybrida | Orange-Yellow Bicolor Flower BulbItem NO.: UP-1980-choice

US$ 11.99 US$ 16.43

Size: 18/20cm Circumference

Standard: 1 Bulb

Quantity: Stock ( 1000 )

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'Rialto' Calla Lily Bulbs | Zantedeschia hybrida | Orange-Yellow Bicolor Flower Bulb

color:red,size:xxl

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Striking two-tone blooms – Features horseshoe-shaped spathes in bright yellow at the base, blending into vibrant orange-red toward the petal margin for a unique gradient effect.
Distinctive foliage – Showcases large, fleshy tubers and bright green leaves adorned with attractive white speckles, adding visual interest even before flowering.
Versatile use – Perfect for indoor decoration, fresh cut flower arrangements, or cluster planting near ponds, rockeries, and garden borders.
Sun-loving & warm-growing – Thrives in full sunlight with an optimal growing temperature of 18–25°C; not cold-hardy, so protect from frost and grow in warm climates or containers for winter indoor care.
Easy watering care – Keep soil consistently moist but avoid over-drying and waterlogging; reduce watering during summer dormancy to prevent root rot and ensure healthy regrowth.

Detail

- Product Name: 'Rialto' Calla Lily Bulbs | Zantedeschia hybrida | Orange-Yellow Bicolor Flower Bulb
- Item NO.: UP-1980-choice
- Weight: 0.1 kg = 0.2205 lb = 3.5274 oz
- Category: BELLFARM Choice > Bulbs > Calla Lily
- Tag: Indoor Potted Calla , 'Rialto' Calla Lily , 'Rialto' Calla Lily Bulbs , Rialto Zantedeschia , Two-Tone Calla Lily , Orange-Yellow Gradient Calla , Cut Flower Calla Lily , Perennial Calla Bulbs , Sun-Loving Calla Lily , Warm Climate Calla Lily , Horseshoe-Shaped Spathe , Pond Side Calla Lily , Rockery Calla Plant , Clumping Calla Lily , Summer Dormant Calla Bulbs , Fleshy Tuber Calla Lily , Container Grown Calla Lily , Moisture-Loving Calla , Zantedeschia for Cut Flowers , Araceae Family Calla Lily
- Brand: Bellfarm®
- Creation Time: 2026-07-09
'Rialto' Calla Lily Bulbs

The 'Rialto' Calla Lily is a stunning perennial bulbous flower from the Zantedeschia genus (Araceae family), prized for its unique two-tone blooms and versatile garden performance. Featuring large, fleshy tubers and bright green foliage accented with white speckles, this variety produces horseshoe-shaped spathes that open bright yellow at the base and smoothly blend into a rich orange-red toward the petal margin.

Key Features
• Unique flower form – Horseshoe-shaped spathes with a vivid yellow-to-orange-red gradient, creating a dramatic visual impact.
• Distinctive foliage – Bright green leaves with natural white speckles provide ornamental value even before blooms appear.
• Versatile application – Equally suitable for indoor potted display, fresh cut flower production, and outdoor landscape planting.

Growing Instructions
• Light: Full sun to partial shade; prefers bright, sunny locations for best flowering.
• Temperature: Optimal 18–25°C; not cold-hardy. Protect from frost and move containers indoors in cooler climates.
• Soil: Well-drained, fertile soil rich in organic matter.
• Watering: Keep soil consistently moist during active growth. Avoid both over-drying and waterlogging.
• Dormancy care: Reduce watering significantly during the summer dormancy period to prevent root rot and tuber decay.

Why Choose 'Rialto'?
• Low-maintenance beauty – With simple watering and sunlight needs, it delivers spectacular results without demanding constant attention.
• Four-season versatility – Whether used as an elegant indoor centerpiece, a long-lasting cut flower, or a vibrant outdoor accent, 'Rialto' performs effortlessly across settings.
• Garden design flexibility – Its compact size and striking color palette make it an ideal choice for borders, containers, water features, and rock gardens alike.