Rose Moss
Portulaca grandiflora
- Native to:
- Argentina, Bolivia, Brazil, Guam, Palau, Paraguay, Peru, Uruguay
Joydeep






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Portulacaceae
- Genus:
- Portulaca
- Species:
- Portulaca grandiflora
- USDA Symbol:
- POGR7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- red, orange, yellow, pink, white, purple
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Glover's Silkworm Moth (Euscirrhopterus gloveri), Green Cutworm (Anicla infecta), Lucerne Moth (Nomophila nearctica), rascal dart moth (Agrotis malefida), White-lined sphinx moth (Hyles lineata)
Reported Fauna Sightings
Bees: Two-spotted Longhorn (Melissodes bimaculatus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- 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:
- thrives in poor, arid conditions
Propagation & Germination
- Germination Time:
- 7–14 days
- Notes:
- Seeds germinate in 7-14 days at 21-27°C with light; no pretreatment needed.
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)