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PlantFiles: Giant Oats, Spanish Oats
Stipa gigantea

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Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Stipa (STEE-pa) (Info)
Species: gigantea (jy-GAN-tee-uh) (Info)

3 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Ornamental Grasses and Bamboo

Height:
6-8 ft. (1.8-2.4 m)

Spacing:
4-6 ft. (1.2-1.8 m)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Cream/Tan

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Evergreen
Blue-Green
Smooth-Textured

Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Flowers are good for drying and preserving

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost

Seed Collecting:
Bag seedheads to capture ripening seed

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to view:

By stevenova
Thumbnail #1 of Stipa gigantea by stevenova

By stevenova
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Thumbnail #3 of Stipa gigantea by stevenova

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Thumbnail #7 of Stipa gigantea by kniphofia

There are a total of 8 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive CosyMeadows On Jan 15, 2011, CosyMeadows from Lismore
Ireland wrote:

Looks fantastic with Verbena Bonariensis, this plant will flower after year 2, probably year 3. Also a good one to accompany this grass is Agastache Mexicana Sangria. SG looks amazing in the glow of the evening sun and a star of the grass border.

Regional...

This plant has been said to grow in the following regions:

Grand Junction, Colorado
Olympia, Washington



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