Balloon Flower
Platycodon grandiflorus 'Mix'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
East Asia
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Platycodon grandiflorus, commonly known as Balloon Flower, is known for its distinctive balloon-like flower buds that pop open to reveal star-shaped blossoms. The 'Mix' cultivar features a variety of colors, including blue, pink, and white, making it a colorful addition to any garden.
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 promote root growth.
- Transplant seedlings when they are 3-4 inches tall into full sun.
- Water regularly, especially during dry spells, to keep soil moist.
- Fertilize with a balanced fertilizer every 4-6 weeks during active growth.
- Mulch around plants to retain soil moisture and suppress weeds.
Pro Tip
Use well-draining soil and full sun for vibrant blooms and healthy growth.
Keep It Thriving
Care Guide
Do
- Water deeply once a week 🌱
- Deadhead spent flowers to encourage more blooms
- Apply a balanced fertilizer every 4-6 weeks
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t disturb roots during peak flowering
- Refrain from fertilizing in late fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Stake | ||||||||||||
| Winter Prep |
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 4–8. 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-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.
More Platycodon to compare
Balloon Flower 'Sentimental Blue'
Platycodon grandiflorus 'Sentimental Blue'
Astra Pink Balloon Flower
Platycodon grandiflorus 'Astra Pink'
Fairy Snow Balloon Flower
Platycodon grandiflorus 'Fairy Snow'
Balloon Flower Shell Pink
Platycodon grandiflorus 'Shell Pink'
Balloon Flower
Platycodon grandiflorus 'Fuji Blue'
Astra Double Blue Balloon Flower
Platycodon grandiflorus 'Astra Double Blue'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
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.
