Here is what Sea Purslane needs to thrive.

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Sea Purslane

Sesuvium portulacastrum

Zones 8–13

Stats
Sunfull sun
Waterhigh
Grow time—
Height<1ft
Spacing<6in
Light
Full sun✓
Part shade✓
Shade✗
Traits
Life cycleperennial
Categorycreeping perennial
Growth habitsprawling
Frost tolerancetender
Heightunder 1ft
Spacingunder 6in
Native us✓
Growing
Waterhigh
Drainagewet tolerant
Soil ph min5.0
Soil ph max8.0
Propagation
Seed✓
Cutting✓
Division✓
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Spreadself seeds
Deer resistant✓
Drought tolerant✓
Toxic to
People✗
Pets✗
Livestock✗
Bloom
Lengthover 12wk
Colors
White✗
Yellow✗
Orange✗
Red✗
Pink✓
Purple✓
Blue✗
Green✗
Cover
Mat height2–6in
Spread ratefast
Foot trafficlight
Evergreen✓
Lawn alternative✓
Mowable✗
Between pavers✓
Erosion control✓
Weed suppression✓
Under trees✗
Invasive
Statusnone
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✓
Calendar, zone 7
Not suited to zone 7. Grows in zones 8–13.