The Story
Plant Bio
Monarda didyma 'Beauty of Cobham' is known for its showy, pale pink tubular flowers with purple bracts, and its aromatic, mint-like foliage.
This cultivar is particularly noted for its two-toned flower heads, with pale pink flowers emerging from darker purple-tinged bracts. It is susceptible to powdery mildew.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Medium to wet
Humidity
Moderate
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and animals
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds or cuttings into moist soil in spring for best germination.
- Water regularly to keep soil evenly moist during the growing season.
- Fertilize with a balanced, organic fertilizer every 4-6 weeks.
- Prune after flowering to promote bushy growth and remove dead stems.
- Divide clumps every 2-3 years in early spring or late fall.
- Mulch around plants to retain moisture and suppress weeds.
Pro Tip
Choose a sunny spot with well-draining soil for vibrant, healthy blooms.
Keep It Thriving
Care Guide
Do
- Ensure full sun exposure for at least 6 hours daily 🌞
- Water consistently during dry spells 💧
- Prune after flowering to encourage new growth
- Apply organic compost annually for healthy soil
- Divide mature plants every 2-3 years
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter ❌
- Never plant in poorly drained areas ❌
- Steer clear of excessive fertilizing which can reduce flowering ❌
- Avoid neglecting pest control
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Pest Check |
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
Beauty of Cobham Beebalm questions
What zones can Beauty of Cobham Beebalm grow in?
Beauty of Cobham Beebalm 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 Beauty of Cobham Beebalm deer resistant?
Yes — Beauty of Cobham Beebalm is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Beauty of Cobham Beebalm bloom?
Beauty of Cobham Beebalm 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 Beauty of Cobham Beebalm need full sun?
Beauty of Cobham Beebalm does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Monarda to compare

Wild Bergamot
Monarda fistulosa

'Jacob Cline' Bee Balm
Monarda didyma 'Jacob Cline'

Rockin' Raspberry Bee Balm
Monarda didyma 'Rockin' Raspberry'

Bradbury's bee balm
Monarda bradburiana

Raspberry Mint Bee Balm
Monarda didyma 'Raspberry Wine'

Bee-Happy Bee Balm
Monarda didyma 'Bee-Happy'
Keep exploring
Explore the genus
Grow Beauty of Cobham Beebalm 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.

































