Butomus umbellatus

Butomus umbellatus

Flowering rush

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

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does not flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Butomus umbellatus
  • Common name: Flowering rush
  • Family: Butomaceae
  • Plant Type: Bog, Marginal, Perennial, Pond, Deciduous

Flowering rush, Butomus umbellatus, is a handsome marginal plant from Asia. It looks magnificent at the water’s edge, especially when grown in large groups. It bears attractive bi-coloured flowers up to 3cm across, gathered in a distinctive umbel on tall stems, above twisted, grassy foliage. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

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Grow Butomus umbellatus in moist or boggy soil in full sun. Divide clumps regularly for the best display of flowers.

How to grow Butomus umbellatus

  • Plant size

    1.5m height

    50cm spread

  • Aspect

    South facing, west facing

  • Sun exposure: Full sun
  • 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
Sow
Sow

Do not Sow in January

Do not Sow in February

Do not Sow in March

Do not Sow in April

Do not Sow in May

Do not Sow in June

Do not Sow in July

Do not Sow in August

Do not Sow in September

Do Sow in October

Do not Sow in November

Do not Sow in December

Plant
Plant

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

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does not flower in June

Plant does flower in July

Plant does flower in August

Plant does flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Divide
Divide

Do not Divide in January

Do not Divide in February

Do Divide in March

Do Divide in April

Do Divide in May

Do not Divide in June

Do not Divide in July

Do not Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Butomus umbellatus and wildlife

Butomus umbellatus has no particular known value to wildlife in the UK.

Is Butomus umbellatus poisonous?

Butomus umbellatus 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 Butomus umbellatus

Typha minima
Plants

Typha minima

Dwarf reed mace
59647
Plants

Myosotis scorpioides

Water forget-me-not