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‘Sapphire’ Blue Oat Grass provides stunning structure and dramatic color to the garden. Long, steel-blue blades flow fountain-like in tidy clumps. Airy oat-like plumes rise above the foliage. Plant as an accent or en masse for impact. Evergreen color provides year-long interest. Improved rust-resistance keeps foliage looking clean. Low maintenance. (Helictotrichon sempervirens)
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).
24-36” tall x 18-24” wide. ‘Sapphire’ Blue Oat Grass is a standout cool-season ornamental grass. Plants perform best in full sun, but tolerate light shade. Bluest color develops in dry soils. Plants are adaptable to a variety of soil types as long as they are well drained. Plant as a specimen in rock gardens or as an accent in mixed beds and borders to add color and texture. Large masses can be used as a tall groundcover. ‘Sapphire’ Blue Oat Grass is deer resistant and salt tolerant. A good choice for waterwise, firewise, and coastal landscapes. Plants are sensitive to heat and humidity, though ‘Sapphire’ performs better than the most varieties. An easy care selection, blue oat grass can be cut back hard in spring as needed. Combines well with other grasses.
More Information
SKU
AM015013
Item Package Size
Plant - 3" Pot
Common Name
Sapphire Blue Oat Grass
Botanical Name
Helictotrichon sempervirens Sapphire
Zones
4, 5, 6, 7, 8
Light Requirements
Full Sun
Mature Height
24-36" tall
Mature Spread
18-24" wide
Growth Rate
Medium
Bloom Time
Foliage plant all season
Planting Depth
Crown of plant should rest just at or above the soil surface after watering in.
Ships As
Potted Plant
Foliage
Ornamental silver-blue blades. Produces taller stems with bluish-brown plumes in summer.
Soil Type
Sandy Soil
Soil Moisture
Dry, Average
Advantages
Groundcover, Winter Interest, Easy To Grow, Deer Resistant
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 (877) 309-7333 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 $4.99
$8.89
$5 to $399.99
$8.89 + 6% Merchandise Total
$400 and Over
8% Merchandise Total
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
If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. If you have any questions, please call us at (877) 309-7333.
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