Double Tuberose (Polianthes The Pearl)
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 (Polianthes The Pearl)|
|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, Good for Containers, Extended Bloom Time (more than 4 weeks)|
|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. 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.
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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