Photo by Melody

PlantFiles: Eight Petal Mountain-avens
Dryas octopetala

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Dryas (DRY-ass) (Info)
Species: octopetala (ock-toh-PET-uh-luh) (Info)

6 members have or want this plant for trade.

Alpines and Rock Gardens

under 6 in. (15 cm)

24-36 in. (60-90 cm)

USDA Zone 2b: to -42.7 C (-45 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:

Propagation Methods:
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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By Todd_Boland
Thumbnail #1 of Dryas octopetala by Todd_Boland

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Thumbnail #7 of Dryas octopetala by kennedyh

There are a total of 11 photos.
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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Neutral jtellerelsberg On Jun 23, 2010, jtellerelsberg from Norwich, VT (Zone 5a) wrote:

According to the book Edible Forest Gardens, Vol. 2, by Jacke and Toensmeier, Dryas octopetala is an actinorhizal nitrogen fixer and also usable for tea (though they don't say what part of the plant to use). Actinomycetes, the bacteria that fix nitrogen when living symbiotically with the plant's roots, are ubiquitous in soils so you don't need to use any inoculant for this or other actinorhizal plants.

Positive Todd_Boland On Dec 16, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

A wonderful alpine for the rockery or as a groundcover in a sunny site. The plant is native to alpine and sub-alpine areas of western North America where they colour the slopes creamy-white in early summer. After they fade, lovely silvery plume-like seeds develop adding to their attraction later in the season. They prefer lime soils that are well drained yet not droughty.

Neutral smiln32 On Sep 15, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This plant is a U.S. native and grows mainly in the Pacific Northwest.


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

Anchorage, Alaska
Nome, Alaska
Vancouver, Washington

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