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PlantFiles: Old-man-of-the-mountain, Alpine Sunflower
Hymenoxys grandiflora

 
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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Hymenoxys (hy-men-OKS-iss) (Info)
Species: grandiflora (gran-dih-FLOR-uh) (Info)

Category:
Alpines and Rock Gardens
Perennials

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous
Variegated
Velvet/Fuzzy-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive melody On Feb 13, 2005, melody from Benton, KY
(Zone 7a) wrote:

A cheery yellow flower head is borne on single flower stalks above this whitish, hairy plant with feather-like leaves.

Seen along rocky slopes, high meadows and tundra in central ID, southwestern MT, Co and UT.



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