Blue Bicolor Lupine
Lupinus polyphyllus 'Blue Bicolor'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
All parts are toxic if ingested
The Story
Plant Bio
Lupinus polyphyllus 'Blue Bicolor' is known for its striking bicolor blue and white flowers, which attract pollinators. This cultivar is appreciated for its taller stature and vigorous growth compared to other Lupinus species.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into well-draining soil in early spring for best germination.
- Mist cuttings lightly to maintain moisture and encourage root growth.
- Transplant seedlings when they are 4-6 inches tall into a sunny garden bed.
- Fertilize with a balanced, slow-release fertilizer in spring and early summer.
- Prune after flowering to promote bushiness and remove spent flower stalks.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Soak seeds overnight to improve germination rate and ensure healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Prune dead or damaged stems to encourage new growth
- Fertilize in early spring with a balanced fertilizer
- Provide full sun for optimal flowering
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t disturb roots while dividing or transplanting
- Avoid fertilizing late in the season to prevent weak, leggy growth
- Don’t neglect staking tall varieties in windy areas
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Pest Check |
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
Blue Bicolor Lupine questions
What zones can Blue Bicolor Lupine grow in?
Blue Bicolor Lupine is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Blue Bicolor Lupine deer resistant?
Not reliably. Deer may browse Blue Bicolor Lupine, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Blue Bicolor Lupine bloom?
Blue Bicolor Lupine typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Blue Bicolor Lupine need full sun?
Blue Bicolor Lupine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lupinus to compare
Wild Lupine
Lupinus perennis
Red Popsicle Lupine
Lupinus polyphyllus 'Red Popsicle'
Mixed Dwarf Lupine
Lupinus polyphyllus 'Mixed Dwarf'
Garden Lupine
Lupinus polyphyllus 'Towering Inferno'
Magic Lantern lupine
Lupinus polyphyllus 'Magic Lantern'
Gallery Blue Lupine
Lupinus polyphyllus 'Gallery Blue'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Blue Bicolor Lupine 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.
