Species
Astrantia majorMasterwort9 other cultivars
‘Venice’Venice masterwort
‘Sparkling Stars Pink’Sparkling Stars Pink Great Masterwort
‘Star of Billions’Masterwort Star of Billions
‘Burgundy Manor’Masterwort Burgundy Manor
‘Claret’Great Masterwort 'Claret'
‘Sparkling Stars White’Sparkling Stars White Masterwort
‘Alba’White Masterwort
‘Ruby Cloud’Ruby Cloud Masterwort
‘Star of Fire’Masterwort Star of Fire
The Story
Plant Bio
Astrantia major 'Roma' is known for its attractive pink flowers and decorative seed heads that persist into the fall.
This cultivar has a more compact growth habit and produces a dense display of flowers compared to other varieties.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7
Water
Consistent moisture
Humidity
Moderate
Lifespan
Perennial
Native To
Europe and Asia
Toxicity
May cause minor skin irritation
Bloom period
Early summer – Late summer
In flower about 3 months of the year
Planting
How to Grow
- Tuck seeds into moist, well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Plant in partial shade with rich, humus soil for optimal growth.
- Mulch around the base to retain moisture and suppress weeds.
- Fertilize every 4-6 weeks during the growing season with a balanced fertilizer.
- Divide clumps every 3-4 years in early spring or fall for rejuvenation.
Pro Tip
Ensure consistent moisture and avoid direct afternoon sun for best results.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil evenly moist 🌱
- Apply organic compost annually for healthy growth
- Mulch to retain soil moisture and regulate temperature
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t expose to harsh, full sun in hot climates
- Refrain from neglecting division every few years
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Pest Check | ||||||||||||
| Prune |
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
Masterwort 'Roma' questions
What zones can Masterwort 'Roma' grow in?
Masterwort 'Roma' 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 Masterwort 'Roma' deer resistant?
Yes — Masterwort 'Roma' is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Masterwort 'Roma' bloom?
Masterwort 'Roma' 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 Masterwort 'Roma' need full sun?
Masterwort 'Roma' does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Astrantia to compare
Venice masterwort
Astrantia major 'Venice'
Sparkling Stars Pink Great Masterwort
Astrantia major 'Sparkling Stars Pink'
Masterwort Star of Billions
Astrantia major 'Star of Billions'
Masterwort Burgundy Manor
Astrantia major 'Burgundy Manor'
Great Masterwort 'Claret'
Astrantia major 'Claret'
Sparkling Stars White Masterwort
Astrantia major 'Sparkling Stars White'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Masterwort 'Roma' 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.