Photo by Melody

PlantFiles: Large Blue June Grass, Large Blue Hair Grass
Koeleria glauca

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Family: Poaceae (poh-AY-see-ee) (Info)
Genus: Koeleria (kee-LER-ree-uh) (Info)
Species: glauca (GLAW-kuh) (Info)

One vendor has this plant for sale.

Category:
Ornamental Grasses and Bamboo
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

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)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Silver/Gray

Bloom Time:
Mid Summer

Foliage:
Evergreen
Blue-Green

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly 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
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:

By Lilith
Thumbnail #1 of Koeleria glauca by Lilith

By stevenova
Thumbnail #2 of Koeleria glauca by stevenova

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Lilith On Jun 17, 2002, Lilith from Durham
United Kingdom (Zone 8a) wrote:

Densely tufted evergreen perennial. Silver-blue to glaucous grey green leaves with silver-green flower spikes. Ht 40cm, Sp 30cm.

Regional...

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

Wilkes Barre, Pennsylvania



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