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Bicknell'S Hoary Frostweed

Crocanthemum bicknellii

Last reviewed: September 2026

Bicknell'S Hoary Frostweed (Crocanthemum bicknellii)
Photo: (c) Brandon Corder, some rights reserved (CC BY)

Toxicity unknown

Bicknell'S Hoary Frostweed (Crocanthemum bicknellii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–12" H × 4"–8" W

Bloom

Jun, Jul, Aug

Native to

AR, CO, CT, DE and 29 more states

Pollinators

bees, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Bicknell's hoary frostwood is a low-growing native wildflower that forms small clumps with gray-green foliage. It produces bright yellow flowers throughout the summer months and thrives in sunny, dry conditions with minimal care.

In an HOA neighborhood

Bicknell'S Hoary Frostweed takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Very small size makes it appear insignificant in formal landscapes
  • Unknown winter appearance could look messy
  • Wildflower appearance may seem too informal for front yards

Wildlife value

This plant attracts native bees and beetles during its long blooming period from June through August. Its nectar and pollen support various small pollinators in summer gardens.

Common questions

How much sun does Bicknell'S Hoary Frostweed need?
Bicknell'S Hoary Frostweed grows best in full sun conditions.
When does Bicknell'S Hoary Frostweed bloom?
Bicknell'S Hoary Frostweed blooms in June, July, and August.
Where is Bicknell'S Hoary Frostweed native?
Bicknell'S Hoary Frostweed (Crocanthemum bicknellii) is native to AR, CO, CT, DE and 29 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Bicknell'S Hoary Frostweed attract?
Bicknell'S Hoary Frostweed draws bees and beetles.
Is Bicknell'S Hoary Frostweed HOA-friendly?
Bicknell'S Hoary Frostweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Bicknell'S Hoary Frostweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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