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flowerAnnual
Portulaca
Portulaca grandiflora
Also known as: moss rose, sun rose
Low succulent groundcover with bright jewel-toned flowers that open in sun. Extremely heat and drought tolerant. Thrives in poor soil.
Growing Requirements
SunFull Sun
WaterLow
Soil Type
Soil Drainage
Soil pH
Plant Spacing6–8″
Row Spacing6–12″
Planting Depth—
Height3–6″
Spread6–12″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
6–8 weeks before last frost
Direct Sow (Spring)
1–9 weeks after last frost
Transplant Outdoors
2–9 weeks after last frost
Germination
7–14 days
Days to Harvest
50–65 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 1–13
Cannot overwinter outdoors
Surface sow tiny seeds. Flowers close in shade and on cloudy days. Thrives in hot dry spots where other plants fail. Self-sows.
Companion Plants
No companion data available for this plant yet.