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PlantFiles: Lewisia, Cliff Maids, Siskiyou Lewisia, Siskiyou Bitterroot
Lewisia cotyledon 'Rainbow'

Family: Portulacaceae
Genus: Lewisia (lew-ISS-ee-uh) (Info)
Species: cotyledon (kot-EE-lee-don) (Info)
Cultivar: Rainbow
Additional cultivar information: (aka Regenbogen)

4 vendors have this plant for sale.

6 members have or want this plant for trade.

Alpines and Rock Gardens
Cactus and Succulents

under 6 in. (15 cm)

6-9 in. (15-22 cm)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Fuchsia (Red-Purple)
Pale Yellow
Bright Yellow
White/Near White

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


Other details:
Drought-tolerant; suitable for xeriscaping
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)

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By Happenstance
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There are a total of 11 photos.
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4 positives
No neutrals
No negatives

Gardeners' Notes:

Positive garbanzito On Jun 11, 2007, garbanzito from Denver, CO (Zone 5a) wrote:

planted in a mostly shaded location in a small bed raised a couple inches above the surroundings, with some sand added to loamy soil, and mulched with gravel; survived a cold and very snowy Denver winter, bloomed very nicely this spring

Positive vickievannatta On Apr 29, 2004, vickievannatta from Portland, OR wrote:

Very nice, loaded with blooms in mid to late spring. I grow in clay pot, in the winter I turn the pot on its side so that it will not get too wet. It does not like too much water. I fertilize it twice a year, once in spring and once in early fall with time released fertilizer. It has been in the same pot for four years, I may move it up one size this year, after flowers fade. It gets plantlets at the tip of the flower spikes, but I have never successfully transplanted any of them, I do keep trying.

Positive KDePetrillo On Mar 26, 2004, KDePetrillo from North Scituate, RI (Zone 6a) wrote:

These are really sweet little plants. It is critical not to overwater them at any time: excellent drainage is a must. Mulching the top of the soil with gravel or grit is very helpful -- it keeps the leaves from water in cold weather. Also important to avoid winter wet. An excellent plant for trough gardening.

Positive Happenstance On Mar 24, 2004, Happenstance from Northern California, CA wrote:

Hybrid series of this native California plant, sweet little flowers that rise from the rosette.


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

Brea, California
Clayton, California
Hercules, California
Merced, California
Pleasant Hill, California
Denver, Colorado
Chicago, Illinois
Baltimore, Maryland
Highland, Michigan
Portland, Oregon
Port Townsend, Washington
Spokane, Washington (2 reports)

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