Astrantia Major Star of Billions Root

Astrantia major 'Star of Billions' – The Queen of the Shady Border

Bring exceptional texture and long-lasting beauty to your semi-shady garden with the award-winning Astrantia major 'Star of Billions'. This beloved Masterwort variety is named for its incredible abundance of blooms, which seemingly number in the billions!  

Unlike traditional astrantia, 'Star of Billions' produces an astounding show of pure white, pincushion-like flowers framed by silvery-green, papery bracts. The effect is delicate, lacy, and utterly charming. These prolific blooms start in early summer and continue well into the fall, especially if deadheaded.

A perfect plant for the cottage garden, woodland edge, or perennial border, it thrives in rich, moist soil and dappled sunlight. Not only is it a low-maintenance garden workhorse, but its unique flowers are also highly sought after by florists for fresh and dried arrangements.  

Key Features:

Exceptional Bloom Power: Prolific flowering offers a continuous display from early summer to fall.  

Unique Flower Form: Star-shaped, white blooms with delicate green tips.  

Ideal for Cutting: A must-have for the cutting garden; blooms hold up beautifully in a vase.

Attractive to Pollinators: A favorite of bees and butterflies.  

Deer Resistant: Typically ignored by deer and rabbits.

Feature Detail

Scientific Name Astrantia major 'Star of Billions'

Common Name Masterwort, Great Masterwort

Hardiness Zones USDA Zones 4–8

Light Needs Part Sun to Part Shade (Dappled Light)

Mature Height 24–30 inches

Mature Spread 12–18 inches

Bloom Color White with Green/Silver Bracts

Bloom Time Early Summer to Early Fall