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Nassella tenuissima (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).
Zones
5 - 10
Advantages
Deer Resistant
Native
Light Requirements
Full Sun
Water Tolerance
Low-Water
Mature Height
18" tall
Mature Spread
12" wide
Shipping Details
Shipping begins the week of August 28th, 2023 Learn More…
SKU
HC016175
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).
18" tall x 12" wide (seed propagated). Nassella tenuissima (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 SKUs
HC016175 HC014168 (Plant - 5" Deep Pot) HC015734 (Tray of 9)
Common Name
Silky Thread Grass
Botanical Name
Nassella 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
Average Soil, Sandy Soil, Clay Soil
Soil Moisture
Waterwise
Advantages
Deer Resistant, Native
Ideal Region
West, Western Only, Southwest, Hot Desert, Pacific Northwest
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
Zone
Shipping Status
Zone 2
Shipping begins the week of August 28th, 2023
Zone 3
Shipping begins the week of August 28th, 2023
Zone 4
Shipping begins the week of August 28th, 2023
Zone 5
Shipping begins the week of September 4th, 2023
Zone 6
Shipping begins the week of September 11th, 2023
Zone 7
Shipping begins the week of September 18th, 2023
Zone 8
Shipping begins the week of September 25th, 2023
Zone 9
Shipping begins the week of October 2nd, 2023
Zone 10
Shipping begins the week of October 9th, 2023
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 and all items are shipping to the same address, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (800) 925-9387 or contact us by email.
Shipping Rates
Our shipping rates are calculated based on our actual average shipping costs. We do not seek to profit from shipping fees, so rest assured that our shipping rates reflect an average of what it costs to get our guaranteed products safely to your door.
US Shipping Charges
Merchandise Total
Shipping Charges
Up to $19.99
$8.99
$20 to $34.99
$10.99
$35 to $49.99
$12.99
$50 to $74.99
$14.99
$75 to $99.99
$16.99
$100 and Over
$18.99
Canadian Shipping Charges
Merchandise
Shipping Charges
Up to $24.99
$14.95
$25 to $49.99
$19.95
$50 to $74.99
$24.95
$75 to $99.99
$29.95
$100 and Over
$39.95
We charge one low flat rate for shipping our products even if your order requires multiple shipments. If you have any questions, please call us at (800) 925-9387.
 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).)
