Siskiyou Bitterroot (Lewisia cotyledon 'Regenbogen')

Common names:
Give a thumbs up Siskiyou Bitterroot
Give a thumbs up Lewisia
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Give a thumbs up Siskiyou Lewisia

Also sold as:
Rainbow Mix
Rainbow Strain

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Mesic
Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 6-12 inches
Plant Spread: 6-12 inches
Leaves: Evergreen
Flowers: Showy
Flower Color: Lavender
Bloom Size: Under 1"
Flower Time: Spring
Late spring or early summer
Underground structures: Taproot
Suitable Locations: Xeriscapic
Alpine Gardening
Uses: Groundcover
Medicinal Herb
Edible Parts: Roots
Eating Methods: Cooked
Wildlife Attractant: Bees
Resistances: Deer Resistant
Drought tolerant
Containers: Suitable in 1 gallon
Needs excellent drainage in pots
Miscellaneous: Tolerates poor soil


Photo gallery:
Location: In my Northern California gardenDate: 2010-03-20
By zuzu
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Location: New York, NYDate: 2013-05Bronx bot garden
By skylark
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Courtesy Outsidepride
By vic
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Location: Scarborough, ONDate: 2018-06-04Just planted
By MissMew
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This plant is tagged in:

Posted by bxncbx (NYC - Zone 7a) on May 27, 2017 6:09 PM

Wintersowed these in a jug with gravel at the bottom. Despite lots of rain the seedlings are doing well in the jug. Same variety at the NYBG but at least one plant has died there. A bit worried they might not be very hardy here.

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Plant Events from our members
chelle On April 13, 2015 Transplanted
Rock Garden, NW end, middle tier
chelle On April 9, 2015 Obtained plant
Replacement plant

chelle On May 1, 2014 Plant Ended (Removed, Died, Discarded, etc)
Plant overwintered just fine in raised compost bed, but rotted quickly in spring rains.
AndreA33 On April 5, 2016 Obtained plant
aspenhill On April 11, 2018 Obtained plant
Black Creek Greenhouse - qty 1; X-SA
MissMew On May 20, 2018 Obtained plant
Suzanne Plant World
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