Double Tuberose (The Pearl) Bulbs
Details24-36" tall. Double Tuberose (Polianthes) is a double-flowered cultivar, also known as The Pearl, and has fragrant, creamy-white flowers on tall stems above clumps of grass-like foliage. Double Tuberose is a wonderful cut flower for long-lasting flower arrangements. Perfect for patio pots. Plant in well-drained soil in full sun in spring once soil temperatures reach 60 degrees Fahrenheit and all danger of frost has passed. Cold hardy in zones 7-10; grow as an annual in colder zones. Continue planting every two weeks through the end of July to extend blooming throughout summer.
|Common Name||Double Tuberose|
|Botanical Name||Polianthes The Pearl|
|Zones||7, 8, 9, 10|
|Ships As||Bulb, Rhizome, Tuber|
|Light Requirements||Full Sun|
|Mature Height||24-36" tall|
|Bulb Size||7-9 cm|
|Bulb Spacing||3 bulbs per sq. ft.|
|Planting Depth||Plant tubers horizontally (laying flat) 2" to 3" below the surface.|
|Bloom Time||Mid to late summer|
|Days to Bloom||90-120 days after planting|
|Planting Time||Spring / Summer|
|Soil Type||Sandy Soil, Average Soil, Compost Enriched Garden Loam Soil|
|Advantages||Easy to grow, Fragrant Flower / Foliage, Good for Cut Flowers|
|Additional Information||Can be grown as an annual in zones 3-6. Cold hardy in zones 7-10.|
|Ideal Region||Southeast, Pacific Northwest|
|Ships to Hawaii, Alaska & Canada||No|
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. Spring-Planted Perennial and Bulb orders will ship from February 27-June 30, warmest zones first. Most plant orders will arrive within 3-4 days, or less, of leaving our greenhouses. This prompt delivery is provided without additional express charges.
Grass Plugs Will ship at planting time in spring 2017, beginning in late February.
Wildflower Seed & Grass Seed Orders ship within 2-3 days.
Standard shipping costs are $4.99 and up, depending on the size of the order.
Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.
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Comments about High Country Gardens Double Tuberose (The Pearl) Bulbs:
Lovely in patio pot near a door
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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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