Botrychium lunaria

RHS Plant Profile
moonwort

Other common names

common moonwort, grape fern, lunary, moon fern, plantage, unshoe-the-horse

Ferns

A British fern found mostly in the north and west. It produces a single, rather leathery, yellowish-green frond up to 20cm long, with fan-shaped lobes. A branched spike of small, brown, spherical sporangia (spore-bearing structures) appears in summer

Position

Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ophioglossaceae
Native to GB/Ireland
Yes
Foliage
Deciduous
Habit
Columnar upright
Genus
Name Status
Correct

How to Grow

Cultivation

Found naturally in a range of dryish habitats including grassland, sand dunes, rock ledges and slag heaps. Needs well-drained soil, ideally in semi-shade

Propagation

Propagate by spores

Suggested planting locations and garden types

  • Rock garden
  • Wildflower meadow
  • Wildlife gardens
  • Banks and slopes

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free