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Erythronium ‘Joanna’

Dog's tooth violet

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 flower in March

Plant does flower in April

Plant does not flower in May

Plant does not flower in June

Plant does not flower in July

Plant does not flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

  • Botanical name: Erythronium 'Joanna'
  • Common name: Dog's tooth violet
  • Family: Liliaceae
  • Plant Type: Bulb
Flower colour:

Yellow

Foliage colour:

Green

Erythroniums are beautiful plants, and are easy to grow provided they’re given the moist soil and shady woodland conditions they’re used to in the wild. The English name reflects the shape of the bulb, which is said to resemble a dog’s tooth.

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The recurved petals of their blooms resemble small Turk’s-cap lilies. The bulbous plants develop young offsets freely and sometimes underground runners, so they build steadily into impressive clumps that are best left undisturbed.

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Erythronium ‘Joanna’ is a pretty cultivar, bearing large, yellow flowers which darken to peach-pink as they mature. For best results grow Erythronium ‘Joanna’ in moist soil in a shady spot, and mulch annually with leaf mould.

How to grow Erythronium 'Joanna'

  • Plant size

    35cm height

    100cm spread

  • Aspect

    North facing, east facing, south facing, west facing

  • Position in border

    Front

  • Sun exposure: Dappled shade, partial shade, full shade
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / 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
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 Plant in October

Do Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does flower in March

Plant does flower in April

Plant does not flower in May

Plant does not flower in June

Plant does not flower in July

Plant does not flower in August

Plant does not 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 not Divide in March

Do not Divide in April

Do not Divide in May

Do Divide in June

Do Divide in July

Do Divide in August

Do not Divide in September

Do not Divide in October

Do not Divide in November

Do not Divide in December

Erythronium 'Joanna' and wildlife

Erythronium 'Joanna' has no particular known value to wildlife in the UK.

Is Erythronium 'Joanna' poisonous?

Erythronium 'Joanna' 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 Erythronium 'Joanna'