Gymnocarpium dryopteris 'Plumosum'

Gymnocarpium dryopteris ‘Plumosum’

Oak fern

  • Botanical name: Gymnocarpium dryopteris 'Plumosum'
  • Common name: Oak fern
  • Family: Cystopteridaceae
  • Plant Type: Perennial, Deciduous
Foliage colour:


Oak fern, Gymnocarpium dryopteris, is a hardy deciduous fern native to north America, bearing pretty triple-headed, bright green fronds with tiny, overlapping leaflets.


The fronds of Gymnocarpium dryopteris ‘Plumosum’ appear more full than those of the species. It’s ideal for growing at the front of a woodland border or using as ground cover in a shady corner, and works well with other shade-loving plants such as hostas.


Grow Gymnocarpium dryopteris ‘Plumosum’ in moist, humus-rich soil in deep shade. Cut the fronds back in autumn as they start to fade.

How to grow Gymnocarpium 'Plumosum'

  • Plant size

    50cm height

    100cm spread

  • Aspect

    North facing, east facing

  • Position in border


  • Sun exposure: Full shade
  • Shade type: Dry
  • Hardiness: Hardy
  • Soil type: Acidic / clay / heavy / moist / well drained / light / sandy

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do Plant in July

Do Plant in August

Do Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December


Do not Prune in January

Do not Prune in February

Do not Prune in March

Do not Prune in April

Do not Prune in May

Do not Prune in June

Do not Prune in July

Do not Prune in August

Do Prune in September

Do Prune in October

Do not Prune in November

Do not Prune in December

Gymnocarpium 'Plumosum' and wildlife

Gymnocarpium 'Plumosum' has no particular known value to wildlife in the UK.

Is Gymnocarpium 'Plumosum' poisonous?

Gymnocarpium 'Plumosum' has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Gymnocarpium 'Plumosum'