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Clematis ‘John Treasure’

Clematis

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: Clematis 'John Treasure'
  • Common name: Clematis
  • Family: Ranunculaceae
  • Plant Type: Climber, Perennial, Deciduous
Flower colour:

Purple

Foliage colour:

Green

Viticella clematis are extremely tough, fast-growing and hardy, and are ideal for growing through trees and bushes. Clematis ‘John Treasure’ is a free-flowering and vigorous climber, growing to around 350cm in height, and shows good resistance to clematis wilt.

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Clematis ‘John Treasure’ has attractive nodding red-purple flowers with upturned ends to the sepals. It’s perfect for growing up a pergola or sturdy obelisk in a large herbaceous border, or allowed to scramble through trees or large shrubs. It also makes a good companion to climbing and shrub roses.

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‘John Treasure’ is in Pruning Group 3. Simply cut stems back to the lowest pair of buds in February or March.

How to grow Clematis 'John Treasure'

  • Plant size

    3.5m height

    2.5m spread

  • Aspect

    South facing, west facing

  • Position in border

    Back

  • Sun exposure: Dappled shade, full sun
  • Hardiness: Hardy
  • Soil type: Chalky / alkaline / 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
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 not Plant in July

Do not Plant in August

Do not 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

Prune
Prune

Do not Prune in January

Do not Prune in February

Do 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 not Prune in September

Do not Prune in October

Do not Prune in November

Do not Prune in December

Clematis 'John Treasure' and wildlife

Clematis 'John Treasure' has no particular known value to wildlife in the UK.

Is Clematis 'John Treasure' poisonous?

Clematis 'John Treasure' can be toxic.

Toxic to:

Toxic to Cats

Toxic to Dogs

Toxic to Horses

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Livestock

No reported toxicity to People

Plants that go well with Clematis 'John Treasure'