Balloon Flower
Platycodon grandiflorus 'Fuji Blue'
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
15 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
Perennial
Native To
East Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
An herbaceous perennial from the bellflower family, native to East Asia. It is notable for its unique, balloon-like flower buds that inflate before opening into large, upward-facing, star-shaped flowers. Plants form a clump of green, ovate to lance-shaped leaves. Part of the 'Fuji' series, 'Fuji Blue' is prized for its exceptionally large, 2-3 inch wide, vibrant violet-blue flowers. It is a reliable and floriferous cultivar with a sturdy, upright habit.
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 regularly to maintain humidity and promote root growth.
- Water deeply once a week, keeping soil moist but not waterlogged.
- Fertilize monthly with a balanced, water-soluble fertilizer during the growing season.
- Prune after flowering to encourage bushiness and remove dead stems.
- Divide clumps every 3-4 years in early spring for rejuvenation.
Pro Tip
Use a deep, well-draining soil with added organic matter for optimal growth.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Apply organic mulch to retain moisture and suppress weeds
- Prune after flowering to shape and promote new growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t disturb roots during the flowering period
- Never fertilize with high nitrogen fertilizers late in the season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Pinch | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
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
Balloon Flower questions
What zones can Balloon Flower grow in?
Balloon Flower 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 Balloon Flower deer resistant?
Yes — Balloon Flower is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Balloon Flower bloom?
Balloon Flower typically blooms in mid to late summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Balloon Flower need full sun?
Balloon Flower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Balloon Flower drought tolerant?
Yes — once established (usually after the first full season), Balloon Flower handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Platycodon to compare
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Platycodon grandiflorus 'Sentimental Blue'
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Platycodon grandiflorus 'Shell Pink'
Astra Double Blue Balloon Flower
Platycodon grandiflorus 'Astra Double Blue'
Keep exploring
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Grow Balloon Flower 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.
