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Oxytropis Species, Purple Oxytrope, Blackish Oxytrope

Oxytropisnigrescens

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Family

Fabaceae (fab-AY-see-ee)

Info

Genus

Oxytropis (ok-SEE-troh-pus)

Info

Species

nigrescens (ny-GRESS-enz)

Info

Synonym

Astragalus nigrescens

Oxytropis bryophila

Oxytropis coluteoides

Oxytropis gorodkovii

Sun Exposure

Full Sun

Sun to Partial Shade

Foliage

Herbaceous

Height

under 6 in. (15 cm)

Spacing

Unknown - Tell us

Hardiness

USDA Zone 2a: to -45.5 °C (-50 °F)

USDA Zone 2b: to -42.7 °C (-45 °F)

USDA Zone 3a: to -39.9 °C (-40 °F)

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)

USDA Zone 6a: to -23.3 °C (-10 °F)

USDA Zone 6b: to -20.5 °C (-5 °F)

Danger

Unknown - Tell us

Bloom Color

Medium Blue

Blue-Violet

Dark Purple/Black

Bloom Time

Late Spring/Early Summer

Other Details

Gardener's Notes:

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positive

neutral

negative

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Grasmussen

Anchorage, AK (Zone 4a) | July 2007 | neutral

Purple Oxytrope, Oxytropis nigrescens, is found on dry exposed mountain ridges and open exposed dry tundra throughout most of Alaska as w...Read Moreell as E. Siberia and the Yukon.

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Oxytropis Species, Purple Oxytrope, Blackish Oxytrope

Oxytropisnigrescens

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