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Annual BiennialCactus Succulent

Portulaca grandiflora

rose moss

A spreading annual, with prostrate to ascending reddish stems and small, linear, fleshy green leaves. Single or double flowers that open in the sun are produced in summer, in bright shades of red, pink, yellow or white

Other common names
eleven o'clock
Kentucky moss
see morelarge-flowered purslane
moss rose
sun plant
wax pink
Mexican rose
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Pink Yellow White Green
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H2
Botanical details
Family
Portulacaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Spreading branched, Bushy
Genus

Portulaca are slightly succulent annuals with fleshy leaves and cup-shaped flowers in shades of red, purple, pink, yellow and white

Name status

Correct

How to grow

Cultivation

Grow in well-drained soil in full sun; thrives in poor, sandy soils

Propagation

Propagate by seed, sown at 13-18°C in mid-spring; plant out after frosts, taking care to minimise root disturbance. Plants may self-seed in place

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Banks and slopes
Pruning

Deadhead if seed is not required

Pests

May be susceptible to aphids

Diseases

Generally disease-free, though seedlings can be susceptible to damping off

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