Osmunda cinnamomea

Osmunda cinnamomea

Cinnamon fern

  • Botanical name: Osmunda cinnamomea
  • Common name: Cinnamon fern
  • Family: Osmundaceae
  • Plant Type: Marginal, Deciduous
Foliage colour:


The cinnamon fern, Osmunda cinnamomea (syn. Osmundastrum cinnamomeum), forms tight circles of fresh green fronds, which grow into a beautiful upright shuttlecock by midsummer. In the centre of the shuttlecock, tight plumes of cinnamon-brown spore-bearing fronds emerge, resembling flower spikes. It’s perfect for growing in bog garden or the pond edge, where it looks fabulous with other foliage plants such as gunners and rodgersia. 


For best results grow Osmunda cinnamomea in moist to wet, rich soils. Cut down old foliage in late winter.

How to grow Osmunda cinnamomea

  • Plant size

    90cm height

    50cm spread

  • Aspect

    East facing, west facing

  • Position in border

    Front, middle

  • Sun exposure: Partial shade
  • Shade type: Damp
  • Hardiness: Hardy
  • Soil type: Clay / heavy / moist / boggy

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 cinnamomea and wildlife

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

Is Osmunda cinnamomea poisonous?

Osmunda cinnamomea 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 cinnamomea