Caltha obtusa
Caltha obtusa
- Native to:
- New Zealand
H.C. Lyman,John Steel,Australasian Pollen and Spore Atlas,A E Esler,T. F. Cheeseman,T. F. Cheeseman,Nom. rev.,William Crosby Horsford (Firm) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Julius Anthon (Firm),Gardenside Nurseries (Shelburne, Vt.) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Gardenside Nurseries (Shelburne, Vt.) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,F.H. Horsford (Firm) Henry G. Gilbert Nursery and Seed Trade Catalog Collection
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Caltha
- Species:
- Caltha obtusa
- USDA Symbol:
- CAOB16
Growth Characteristics
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- yellow
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- rich, moisture-retentive organic soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wetland areas and bogs
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–60 days
- Notes:
- Seeds require cold stratification for 60-90 days to break dormancy.