Roundleaf Sundew
Drosera rotundifolia
Also known as: Sundew
- Native to:
- Aleutian Is., Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Greece, Greenland, Hungary, Iceland, Ireland, Italy, Japan, Korea, Krym, Kuril Is., Labrador, Lebanon-Syria, Netherlands, New Guinea, North Caucasus, Norway, NW. Balkan Pen., Philippines, Poland, Portugal, Prince Edward I., Romania, Russia, Spain, Svalbard, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine, United States
iNaturalist: © vladimir_bryukhov (iNaturalist #35522857)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Droseraceae
- Genus:
- Drosera
- Species:
- Drosera rotundifolia
- USDA Symbol:
- DRRO
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 25 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, pink
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Host Plant for Caterpillars
Hemipachnobia monochromataea
Garden & Ecology Notes
- Deer Resistant:
- Yes
- Fall Color:
- red
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Tolerates fire in bog habitats; recolonizes burned areas from seed bank. Fire helps reduce competing vegetation.
Soil Requirements
- Soil Type:
- peaty, nutrient-poor, acidic soil
- pH:
- 3.5 - 5.5 (strongly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in bogs and fens
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination. Surface sow on wet peat or sphagnum; do not cover.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Light required for germination; do not cover seed.
Notes: Light required for germination; do not cover seed.
Source: Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.