General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Water Preferences: Mesic
Dry Mesic
Dry
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 9b
Flower Time: Late spring or early summer
Wildlife Attractant: Bees
Pollinators: Various insects
Cleistogamous

Image
Common names
  • Frostweed
  • Frostplant
  • Frostwort
  • Longbranch Frostweed
  • Rock Frost
Botanical names
  • Accepted: Crocanthemum canadense
  • Synonym: Helianthemum canadense
  • Synonym: Helianthemum coulteri

Photo Gallery
Location: Pasadena, MD
Date: 2020-05-20
Fort Smallwood Park, sandy soil fringe of grassy area among small
Location: Aberdeen, NC (Midway road)
Date: April 19, 2023
Canada frostweed #426; RAB p. 119, 129-2-3; LHB p. 681, 131-2-?;
Location: Aberdeen, NC (Midway road)
Date: April 19, 2023
Canada frostweed #426; RAB p. 119, 129-2-3; LHB p. 681, 131-2-?;
Location: Aberdeen, NC (Midway road)
Date: April 19, 2023
Canada frostweed #426; RAB p. 119, 129-2-3; LHB p. 681, 131-2-?;
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