Not the plant you're looking for? Search over 300,000 plants

Shrubs

Buddleja × weyeriana

Weyer butterfly bush

Spreading, deciduous shrub to 4m tall, with long arching stems bearing mid-green, lance-shaped leaves to 20cm long, grey-green when young. Rounded clusters of fragrant, pale orange flowers tinged pale purple, with an orange eye, produced in open terminal panicles, in summer and autumn

Save to My plants

Buy this plant

Plant nurseries
9 suppliers

Ultimate height

2.5–4 metres

Time to ultimate height

2–5 years

Ultimate spread

1.5–2.5 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Scrophulariaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Buddleja can be evergreen or deciduous shrubs, occasionally trees or scrambling climbers with simple leaves and panicles of small, tubular fragrant flowers
Name status: Correct

How to grow

Cultivation

Grow in any well-drained soil in full sun. See buddleja cultivation for more detailed advice

Propagation

Take softwood cuttings in spring and summer, semi-ripe cuttings from midsummer or root hardwood cuttings from autumn to midwinter and keep frost free

Suggested planting locations and garden types

City and courtyard gardens
Wildlife gardens
Coastal
Cottage and informal garden
Gravel garden
Flower borders and beds

Pruning

Pruning group 6 in spring

Pests

May be susceptible to aphids, capsid bugs, caterpillars, earwigs, figwort weevils, glasshouse red spider mite, leaf and bud eelworm, and mullein moth

Diseases

May be susceptible to honey fungus, fungal leaf spot, and virus diseases

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.