Knotweed Spineflower
Chorizanthe polygonoides
- Native to:
- Mexico, United States
iNaturalist: © kelly454 (iNaturalist #282404111)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Chorizanthe
- Species:
- Chorizanthe polygonoides
- USDA Symbol:
- CHPO4
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- white, pink, rose
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Prefers open, sunny habitats; often found in coastal sage scrub and chaparral.