
Pugster Blue Butterfly Bush
Buddleia davidii 'Pugster Blue'
Essentials
At a Glance
Plant Type
Shrub
Height
36 inches
Width
48 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
China
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Buddleia davidii 'Pugster Blue' is a compact deciduous shrub with arching branches, featuring elongated, lance-shaped leaves and vibrant, dense clusters of blue flowers that attract butterflies and hummingbirds. This cultivar is distinguished by its exceptionally compact size and prolific, vividly blue flower panicles that bloom repeatedly throughout the summer, making it ideal for small gardens and container planting.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck young plants into prepared soil in spring.
- Water thoroughly after planting to establish roots.
- Apply a balanced fertilizer in early spring for best growth.
- Prune back after flowering to promote bushy shape.
- Mulch around base to conserve moisture and suppress weeds.
- Monitor for pests and treat if necessary during growing season.
Pro Tip
Plant in full sun with well-drained soil for best flowering.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Prune in late winter or early spring ❌
- Fertilize annually with a balanced fertilizer
- Mulch to retain moisture and suppress weeds
- Monitor for pests and treat promptly
Don't
- Overwater, avoid soggy soil ❌
- Prune heavily in late summer ❌
- Use chemical pesticides excessively ❌
- Plant in shaded areas ❌
- Neglect watering during dry periods ❌
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
Pugster Blue Butterfly Bush questions
What zones can Pugster Blue Butterfly Bush grow in?
Pugster Blue Butterfly Bush is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Pugster Blue Butterfly Bush deer resistant?
Not reliably. Deer may browse Pugster Blue Butterfly Bush, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Pugster Blue Butterfly Bush bloom?
Pugster Blue 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 Pugster Blue Butterfly Bush need full sun?
Pugster Blue Butterfly Bush does best in full sun (6+ hours).
Is Pugster Blue Butterfly Bush drought tolerant?
Yes — once established (usually after the first full season), Pugster Blue Butterfly Bush handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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