Weyer's Butterfly Bush
Buddleia x weyeriana 'Bicolor'
Essentials
At a Glance
Plant Type
Shrub
Height
72 inches
Width
72 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Moderate once established
Humidity
Prefers dry to moderate humidity
Lifespan
10+ years
Native To
Hybrid Origin
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Buddleia x weyeriana 'Bicolor' is a deciduous shrub known for its arching branches, elongated lance-shaped leaves, and clusters of fragrant, tubular flowers that display a striking bicolor pattern of yellow and purple hues. This cultivar is particularly valued for its vibrant bicolor flowers that attract butterflies and pollinators, along with its vigorous growth and tolerance to a range of soil conditions.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck cuttings or seedlings into well-draining soil in spring.
- Water regularly until established, about 6 weeks.
- Prune after flowering to maintain shape and encourage blooms.
- Fertilize with a balanced fertilizer in early spring.
- Mulch around base to retain moisture and suppress weeds.
- Transplant in early spring or fall for best success.
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water deeply during dry spells 🌱
- Prune annually after flowering to shape the shrub
- Fertilize in early spring with a balanced fertilizer
- Mulch to conserve moisture and suppress weeds
Don't
- Avoid overwatering, which can cause root rot ❌
- Do not prune in late fall or winter
- Refrain from using heavy soil that retains excess water
- Avoid fertilizing late in the season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Weyer's Butterfly Bush questions
What zones can Weyer's Butterfly Bush grow in?
Weyer's Butterfly Bush is hardy in USDA Zones 5–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Weyer's Butterfly Bush deer resistant?
Yes — Weyer's Butterfly Bush is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Weyer's Butterfly Bush bloom?
Weyer's Butterfly Bush typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Weyer's Butterfly Bush need full sun?
Weyer's Butterfly Bush does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Weyer's Butterfly Bush drought tolerant?
Yes — once established (usually after the first full season), Weyer's Butterfly Bush handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Buddleia to compare
Pugster Pink Butterfly Bush
Buddleia davidii 'Pugster Pinker'
Grand Cascade Butterfly Bush
Buddleia davidii 'Grand Cascade'
Butterfly Bush Purple Prince
Buddleia davidii 'Purple Prince'
Honeycomb Butterfly Bush
Buddleia davidii 'Honeycomb'
Pugster Blue Butterfly Bush
Buddleia davidii 'Pugster Blue'
Butterfly Bush Attraction
Buddleia davidii 'Attraction'
Keep exploring
Explore the genus
Collections featuring this plant
Grow Weyer's Butterfly Bush with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
