Osmunda regalis 'Purpurascens'

Osmunda regalis ‘Purpurascens’

Royal fern

  • Botanical name: Osmunda regalis 'Purpurascens'
  • Common name: Royal fern
  • Family: Osmundaceae
  • Plant Type: Bog, Marginal, Perennial, Pond, Deciduous
Foliage colour:



Royal fern, Osmunda regalis, is a large and spectacular fern, ideal for growing at the pond edge or bog garden. Plants form a distinct clump of tall, arching fronds of fresh green divided leaves. The stems and early leaves of Osmunda regalis ‘Purpurascens’ are purplish in colour, with the stems remaining purple throughout the season. It makes the perfect planting partner to other large foliage plants such as rodgersia and gunnera.


For best results grow Osmunda regalis ‘Purpurascens’ in moist, preferably acidic soil, in partial shade (full sun is tolerated in cooler regions). Prune out old leaves in late winter. It makes the perfect planting partner to other large foliage plants such as rodgersia and gunnera.

How to grow Osmunda 'Purpurascens'

  • Plant size

    1.5m height

    100cm spread

  • Aspect

    East facing, west facing

  • Sun exposure: Dappled shade, partial shade
  • Shade type: Damp
  • Hardiness: Hardy
  • Soil type: Acidic / boggy / clay / heavy / moist

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

Osmunda 'Purpurascens' and wildlife

Osmunda 'Purpurascens' has no particular known value to wildlife in the UK.

Is Osmunda 'Purpurascens' poisonous?

Osmunda 'Purpurascens' 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 Osmunda 'Purpurascens'