Photo by Melody

PlantFiles: Bitter-root Sand Rose
Lewisia rediviva

Family: Portulacaceae
Genus: Lewisia (lew-ISS-ee-uh) (Info)
Species: rediviva (re-div-EE-vuh) (Info)

7 members have or want this plant for trade.


under 6 in. (15 cm)

3-6 in. (7-15 cm)

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)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Full Sun


Bloom Color:
Pale Pink
White/Near White

Bloom Time:
Mid Spring


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost

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

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By kennedyh
Thumbnail #1 of Lewisia rediviva by kennedyh

By kennedyh
Thumbnail #2 of Lewisia rediviva by kennedyh

By kennedyh
Thumbnail #3 of Lewisia rediviva by kennedyh

By LawrenceM
Thumbnail #4 of Lewisia rediviva by LawrenceM

By Ally_UT
Thumbnail #5 of Lewisia rediviva by Ally_UT

By Xenomorf
Thumbnail #6 of Lewisia rediviva by Xenomorf

By growin
Thumbnail #7 of Lewisia rediviva by growin

There are a total of 10 photos.
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1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral soul_surfer On Apr 11, 2012, soul_surfer from Spokane Valley, WA (Zone 5b) wrote:

I know the prior post was many years ago, so this may be of little interest to you now but may help others.

Currently, carries multiple varieties of this highly prized Inter-mountain/N. Rockies native flower. I can't vouch for them and have no connection with them, but at least they seem to carry the seeds for now (as well as some other fairly hard to find & sometimes extremely rate Western wild flowers). Good luck!

Positive kennedyh On Apr 9, 2003, kennedyh from Churchill, Victoria
Australia (Zone 10a) wrote:

Baa's notes on Lewsia pygmaea, which I saw in the wild in British Columbia, inspired me to add the other Lewsia species which grows in British Columbia.
This plant is known as Bitterroot, and the roots were an important food to the Interior peoples, but Europeans found them excessively bitter.
The plants grow in full sun in dry stony ground. The leaves are short and fleshy, and die off before the flowers appear. The flowers are a picture, bright pink to white scattered over the bare stony ground.
The latin name rediviva is an odd one. Meriwether Lewis, who first collected the plant in Montana in 1806, saved a pressed dried specimen. When it was examined months later, the root still showed signs of life. When planted it then grew afresh and the name rediviva, means 'restored to life'.
I don't know if this plant is in cultivation. I would love to grow it if anyone knows of a source for its seed?


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

Stevensville, Montana

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