• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Oscularia deltoides

deltoid-leaved dew plant

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
deltoid-leaved dew plant

© RHS 1999

  • Other common names deltoid-leaved dew plant

  • Family Aizoaceae

  • Genus Oscularia are small, succulent perennials with fleshy, often angled leaves and daisy-like flowers in various bright colours

  • Details O. deltoides is a spreading succulent perennial with oblong, toothed, 3-angled grey-green leaves and daisy-like, bright magenta-pink flowers 1.5cm across, in summer and early autumn

  • Plant range South Africa (Western Cape)

Characteristics

  • Foliage Evergreen

  • Habit Mat forming

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H2

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained

  • SoilSand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height Up to 10 cm

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow in cactus compost in full light. Water moderately from late spring to late summer and apply a low nitrogen liquid fertiliser every 4-6 weeks. Water sparingly at other times. Can be grown outdoors in summer but needs winter protection

Propagation Propagate by seed at 19-24°C (66-75°F) in spring. Root sections of stem in spring and summer

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning no pruning necessary

Pests mealybugs and aphids may occur

Diseases Usually disease free

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