The Story
Plant Bio
Buddleja davidii 'Miss Ruby' is a deciduous shrub distinguished by its arching branches, elongated lance-shaped leaves, and clusters of vibrant, deep ruby-red flowers that attract butterflies.
This cultivar is notable for its rich, intense flower color and its ability to bloom profusely from mid-summer to autumn, providing striking visual interest and wildlife support.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Shrub
Height
54 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
10+ years
Native To
China
Toxicity
Non-toxic to humans and pets
Planting
How to Grow
- Tuck well-draining soil around roots for stability.
- Mist cuttings if propagating from softwood in spring.
- Plant in full sun for best flowering.
- Water regularly during first growing season.
- Prune after flowering to maintain shape.
- Apply mulch to retain moisture and suppress weeds.
Pro Tip
Plant in well-draining soil in full sun for optimal blooms.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Prune in late winter or early spring
- Use balanced fertilizer in spring
- Deadhead spent flowers to encourage more blooms
Don't
- Avoid overwatering in winter ❌
- Don’t prune in late summer or fall
- Never neglect pest monitoring
- Avoid planting in poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Miss Ruby Butterfly Bush questions
What zones can Miss Ruby Butterfly Bush grow in?
Miss Ruby Butterfly Bush is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Miss Ruby Butterfly Bush deer resistant?
Yes — Miss Ruby Butterfly Bush is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Miss Ruby Butterfly Bush bloom?
Miss Ruby Butterfly Bush typically blooms in mid-summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Miss Ruby Butterfly Bush need full sun?
Miss Ruby Butterfly Bush does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Miss Ruby Butterfly Bush drought tolerant?
Yes — once established (usually after the first full season), Miss Ruby Butterfly Bush handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Buddleja to compare

Pugster Amethyst Butterfly Bush
Buddleja davidii 'Pugster Amethyst'

Trio Butterfly Bush
Buddleja davidii 'Trio'

Bicolor Butterfly Bush
Buddleja davidii 'Bicolor'

Butterfly Bush Purple Prince
Buddleja davidii 'Purple Prince'

Butterfly Haven Butterfly Bush
Buddleja davidii 'Butterfly Haven'

Hot Raspberry Butterfly Bush
Buddleja davidii 'Hot Raspberry'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Miss Ruby 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.



























































