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Frostweed

Verbesina virginica

Also listed as Phaethusa laciniata, Phaethusa virginica

Also known as White Crownbeard, Virginia Crownbeard

herbaceous☀️ full sun💧💧 moderate water❄ Hardy: Zone 6b – Zone 9b

Climate Match for your location

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Frostweed is a native perennial wildflower known for its delicate white flowers that bloom late in the season and its distinctive ice-crystal formations on the stems in early winter. It attracts pollinators and provides late-season color in naturalized gardens.

Why grow it

Frostweed extends the nectar availability for pollinators into late autumn and early winter when few other native species are flowering, making it a useful component in succession plantings rather than a primary season feature. Compared to other late-blooming perennials, it tolerates drier soils and partial shade, which can simplify placement in mixed borders or naturalized areas without requiring supplemental irrigation.

Watch out for

This species self-seeds readily in favorable conditions, so deadheading spent flowers may be necessary if volunteer seedlings become excessive in smaller gardens. It performs best with good air circulation and benefits from occasional division or rejuvenation pruning to maintain vigor over time.

Overview

Form
Upright
Growth Rate
moderate
Size
2–4′ tall × 1.5–3′ wide
Dormancy
deciduous
Family
Asteraceae
Pollinators & beneficial insects

Native to the United States

Native Range

Eastern North America

Native to: Alabama, Arkansas, District of Columbia, Florida, Georgia, Illinois, Kansas, Kentucky, Louisiana, Maryland, Missouri, Mississippi, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, West Virginia

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SummerFall

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Companion Planting

Plants well with