Asteranthera ovata

RHS Plant Profile
estrellita

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estrellita RHS
Conservatory Greenhouse Climber Wall Shrub
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An evergreen, self-clinging climber, freely-branching, with small, oval, opposite pairs of bristly leaves. The bright red flowers are tubular, about 6cm long, flaring into four lobes, and softly hairy

Position

Partial shade

Soil Types

Loam

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1.5-2.5 metres
Max Height
2.5-4 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid

Position

Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
Sheltered
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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Gesneriaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Climbing
Genus
Asteranthera are climbing or creeping shrubs with evergreen, bristly leaves and brightly coloured flowers
Name Status
Correct
Plant Range
Chile to Argentina

How to Grow

Cultivation

Needs a cool, humid climate, and lime-free, humus-rich, moderately fertile soil or compost. Must be shaded from hot sun and sheltered from cold winds. Suitable for growing up a tree or over logs in woodland, or on a shaded wall, where it will tolerate a few degrees of frost, otherwise grow in a cool greenhouse or conservatory

Propagation

Propagate by seed surface sown in containers in a cold frame in autumn, or root semi-ripe cuttings in late summer

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wall side borders
  • Banks and slopes

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free