Nassella (Stipa) tenuissima

Silky Thread Grass

Silky thread Grass brings gossimer grace to any spot where it's planted. It blooms from late spring into late summer with plumes of silky flowers that sway back and forth in the slightest breeze. Grow readily in most any soil with full to partial sun. Re-seeds itself readily. Not for sale in CA. Drought resistant/drought tolerant plant (xeric).
Zones5 - 10
Advantages
Native
Light Requirements
Full Sun
Annual Rainfall
10 to 20"
20 to 30"
30 to 40" (with care)
Mature Height18" tall
Mature Spread12" wide
ShippingNow shipping to zones 2-10.
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SizeNo
SKUHC016175

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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As low as $10.99 Sale $8.79
In stock
SKU
HC016175

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Details
18" tall x 12" wide (seed propagated). Silky Thread Grass is our most graceful native bunch grass. It gently sways in the breeze and its silky seed heads glow brightly when they catch the sunlight. Plant Nassella in any well-drained soil. It is an excellent xeric companion plant and is particularly nice when planted with Agave, Agastache and gray Artemisia. Re-seeds itself readily. Deadhead if you do not want volunteer seedlings next season. (Note, botanists have changed this plant's genus from Stipa to Nassella.) Not for sale in CA.

Flat of 9 plants will cover 9 square feet when planted together

More Information
Associated SKUsHC016175
HC014168 (Plant - 5" Deep Pot)
Common Name
Silky Thread Grass
Botanical Name
Nassella (Stipa) tenuissima
Zones
5, 6, 7, 8, 9, 10
Light Requirements
Full Sun
Mature Height
18" tall
Mature Spread
12" wide
Ships As
Potted Plant
Soil Type
Sandy Soil, Clay Soil, Average Soil
Soil Moisture
Drought Resistant / Waterwise
Amount Of Rain
10 to 20", 20 to 30", 30 to 40" (with care)
Advantages
Native
Ideal Region
West, Western Only, Southwest, Hot Desert, Pacific Northwest
Planting Time
Spring / Summer, Fall
Neonicotinoid Free
Prohibited
California
Native To
North America
Item Unit Of Measure
Tray
Ships To Canada
No
Planting Guides

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.
Shipping
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As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Some perennials are shipped as potted plants, some as perennial roots packed in peat.  The ‘Plant Information’ section describes how that item will ship. All perennials and spring-planted bulbs are packaged to withstand shipping and are fully-guaranteed. Please open upon receipt and follow the instructions included.

Perennials and spring-planted bulbs are shipped at the proper planting time for your hardiness zone. Perennial and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email.

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