Astrantia maxima | largest masterwort

This plant will not be available in 2026, however, propagation is planned/underway. Please sign up for the waitlist below to receive updates on availability in future years.

Largest masterwort is best known for its long bloom time. Large, rosy pink flowers bob above the lush foliage from late spring to early fall. Pollinated by beetles but very attractive to bees, butterflies, and other pollinators. Deadheading isn't required but it will keeps the flower show going longer. Self-sows reliably if spent flowers aren't removed.

Fertile soil required. Easy to grow in full sun or partial shade. Plants can take up to five years to reach full size.

syn. Astrantia helleborifolia

Distinctions: Winner of an Award of Garden Merit from the Royal Horticulture Society.

Zones: 5 to 7
Family: Apiaceae
Type: Perennial
Height: 12 to 36 in.
Spread: 12 to 24 in.
Exposure: Full sun, part-shade
Soil Conditions: moist, average
Bloom Time: June to July
Bloom Color: Mostly Pink
Native Range: South Europe, Caucasus

Special Characteristics

Clay tolerant
Pollinator favorite
Snail Resistant

image credits

Image 1 (bloom) Zeynel Cebeci, CC BY-SA 4.0, via Wikimedia Commons
Image 2 (form) Mustafa Orhon, CC BY-SA 4.0, via Wikimedia Commons
Image 3 (foliage) Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, via Wikimedia Commons