Dwarf Checkerbloom
Sidalcea malviflora
- Native to:
- Mexico, United States
peganum (www.flickr.com) from Henfield, England






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Malvaceae
- Genus:
- Sidalcea
- Species:
- Sidalcea malviflora
- USDA Symbol:
- SIMA2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 120 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may,jun,jul
- Bloom Colors:
- pink, lavender, white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Chionodes sp. A, Exaeretia nechlys, Exaeretia thoracefasciella, Two-banded Checkered Skipper (Pyrgus ruralis), West Coast Lady (Vanessa annabella)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, hummingbirds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from perennial rootstock after fire; commonly found in California grasslands and meadows with periodic fire regimes.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny locations
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Scarification improves germination; seeds may be soaked in hot water or lightly nicked. Surface sow or barely cover, as light aids germination.
The above propagation data sourced from Claude AI
Pre-treatment: Soak seeds in hot water at 180F for 6 hours
Establishment: Seeds are collected between May 1st and September 1st. S. malvaeflora is found in open grassy slopes at low elevations; from Mendocino county to Santa Barbara County, California.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.