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Buddleja davidii

Butterfly bush

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: Buddleja davidii
  • Common name: Butterfly bush
  • Family: Buddlejaceae
  • Plant Type: Shrub, Deciduous
Flower colour:

Purple

Foliage colour:

Green

Buddleja davidii is a fast-growing and undemanding shrub, native to China. It’s ideal for a growing in wide range of situations, providing they are sunny and the soil is well-drained. The long, heavy flowering heads make a stunning late-summer display for four to six weeks, attracting clouds of butterflies and other insects.

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For best results grow Buddleja davidii in well-drained soil in full sun. Prune hard in late-spring to keep plants within bounds and delay flowering to coincide with the peak butterfly period in August. Propagate by taking hardwood cuttings in winter.

How to grow Buddleja davidii

  • Plant size

    3m height

    1.5m spread

  • Aspect

    North facing, south facing, east facing, west facing

  • Position in border

    Middle, back

  • Sun exposure: Dappled shade, full sun, partial shade
  • Hardiness: Hardy
  • Soil type: Acidic / 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 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

Prune
Prune

Do not Prune in January

Do not Prune in February

Do Prune in March

Do Prune in April

Do 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

Buddleja davidii and wildlife

Buddleja davidii is known for attracting bees, birds, butterflies​/​moths and other pollinators. It is a caterpillar food plant, has nectar/pollen rich flowers, provides shelter and habitat and has seeds for birds.

Attractive to Bees

Does not attract Beneficial insects

Attractive to Birds

Attractive to Butterflies​/​Moths

Attractive to Other pollinators

Is Buddleja davidii poisonous?

Buddleja davidii 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 Buddleja davidii