Odessa Calla Lily
DetailsOdessa Calla Lily (Zantedeschia rehmannii violacea) blooms from June until frost with elegant blooms in deep purple, almost black. Sculptural and excellent as cut flowers, Odessa Calla Lily’s leaves are speckled with white. Planted in compost-enriched well-drained soil, they need regular watering until they have finished flowering. Once flowering is done, cease watering while the plant dies back. Perennial in zones 8-11, plant as annuals in colder zones or lift the bulbs, dry and store in a cool dark place where they are protected from freezing, and replant in spring when the danger of frost is past. 20-24" tall.
|Common Name||Odessa Calla Lily|
|Botanical Name||Zantedeschia Odessa|
|Zones||3, 4, 5, 6, 7, 8, 9, 10|
|Ships As||Bulb, Rhizome, Tuber|
|Light Requirements||Full Sun, Morning Sun & Afternoon Shade|
|Flower Color||Almost Black|
|Mature Height||20" tall|
|Bulb Size||16-18 cm|
|Bulb Spacing||3 bulbs per sq. ft.|
|Planting Depth||Bulbs should be planted 1" to 2" below the soil line.|
|Bloom Time||Mid summer until frost|
|Days to Bloom||65 days after planting|
|Planting Time||Spring / Summer|
|Soil Type||Clay Soil, Sandy Soil, Average Soil, Moist/Wet Soil|
|Soil Moisture||Average, Moist/Wet|
|Amount of Rain||10 to 20", 20 to 30", 30 to 40", 40 to 50"|
|Advantages||Deer Resistant, Attract Butterflies, Attract Hummingbirds, Easy to grow, Good for Cut Flowers, Good for Containers, Extended Bloom Time (more than 4 weeks)|
|Additional Information||Can be grown as an annual in zones 3-7. Hardy in zones 8-10.|
|Ideal Region||Northeast, Southeast, Midwest, Southwest, West, Pacific Northwest|
|Ships to Hawaii, Alaska & Canada||No|
Summer Blooming Bulbs, including popular varieties such as gladiolus and dahlias, are planted in the spring and bloom in the summer. Most of these bulbs are tropical and require warm weather to be planted. There must not be any danger of frost and your ground temperature must have reached 55 degrees Fahrenheit before planting. Many of our summer blooming bulbs can be planted as perennials in zones 9-10 (zone 8 if mulched) but should be treated as annuals in cooler climates. You can lift them and store them in the fall, or bring patio pots inside before frost. See page 15 of our Planting Guide for a bulb depth planting illustration.
Growing Calla Lilies:These tender bulbs can be planted in pots or in the ground. Calla Lily bulbs can be planted as perennials in zones 9-10 (zone 8 if mulched) but should be treated as annuals in cooler climates. You can lift them and store them in the fall, or bring patio pots inside before frost. Calla Lily bulbs quickly create a sizable plant, often growing to 36" high.
View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.
Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Expected ship week will display on the cart at checkout after you enter your zip code. Spring-Planted Perennial and Bulb orders will ship from Feb 25 through mid-June, warmest zones first.
Most plant and bulb orders arrive within 2-6 days, or less, of leaving our greenhouses in Colorado. This prompt delivery is provided without additional express charges.
Grass Plugs Will ship at planting time in spring, beginning in late February.
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Standard shipping costs are $4.99 and up, depending on the size of the order.
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Q & A
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USDA Hardiness Planting Zones
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
- If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
- If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).
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