Malvaceae
Sidalcea oregana subsp. valida
Sidalcea oregana subsp. valida
Also known as Sidalcea spicata subsp. valida, Sidalcea valida
Flowering Plants · Native Plants · Checker-Mallow · Sidalcea · California Native · Rare Perennial · Malvaceae · Pollinator Plant · Meadow Plant · Riparian · Endemic · Conservation Plant
Kneeland Prairie checker-mallow is a rare California endemic perennial that grows best in moist, partially shaded meadow or riparian conditions. Keep soil consistently moist during the growing season and provide some afternoon shade in hotter climates. This conservation-significant species is a beautiful choice for native California gardens and supports pollinators with its pink mallow flowers.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply and regularly during the growing season; reduce watering once established · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6.4–8
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 2 ft – 4 ft
- Spread
- 2 ft
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- California
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle, usda
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