Leucostegia immersa

RHS Plant Profile
underwater leucostegia

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underwater leucostegia RHS
Ferns
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A low-growing, deciduous fern developing from spreading rhizomes. The leaves are broadly triangular, divided into many small, bright green leaflets with bronze tints in spring

Position

Full shade

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full shade
Aspect
East–facing or North–facing or West–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
Davalliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
A small genus of only two species of ferns with dark green, tripinnate foliage
Name Status
Correct

How to Grow

Cultivation

Grow in fertile, moist but well-drained, humus-rich soil in a shady position. See how to grow tender ferns outdoors for further advice

Propagation

Propagate by sowing spores in mid- to late summer or by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Underplanting of roses and shrubs

Pruning

Dead or damaged fronds may be removed as necessary

Pests

Generally pest-free

Diseases

Generally disease-free