Henderson's Checkerbloom
Sidalcea hendersonii
- Native to:
- Canada, United States
Chloe and Trevor Van Loon (www.inaturalist.org)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Malvaceae
- Genus:
- Sidalcea
- Species:
- Sidalcea hendersonii
- USDA Symbol:
- SIHE4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 120 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- pink, rose
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in coastal marshes and wet meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold moist stratification for 4-8 weeks; surface sow on moist medium.
Pre-treatment: Cold treatment at 35F followed by a shift to 50-60F temperatures
Establishment: This plant is rare and usually grows along the coast in tidal marshes and meadows. It is known to exist in Washington, Oregon and British Columbia, with ascending order of rarity.
Source: npn.rngr.net