Frost flowers form when water in plant stems (or moist soil) freezes, extruding delicate ice ribbons. They appear on freezing nights, often from specific plants like wingstem.
See The Science of Frost Flowers, Frost Flowers in Missouri.
frost flower from plant stem
Identifying a Small Tree-Like Plant with a Single Flower
Daisy-Like Flower in Nova Scotia: Narrowing Down the Asteraceae Family
Perennial Flower Identification: A Gardener's Field Guide
Tree Identification by Flower: A Field Guide to Recognizing Species Through Blooms
Ash Flower Gall: Unsightly but Harmless
Leafcutter Ants Decorate Nest with Flower Petals in Tucson
Blackberry Lily (Belamcanda chinensis): Orchid-Like Flowers, Blackberry Seeds
Identifying a Mystery Pear Variety from Fruit and Seed
Millet in the Yard: Birdseed Volunteer
Spigelia (Indian Pink): Native Woodland Wildflower
Smooth Carrion Flower (Smilax herbacea): Beautiful Berries, Rotten Smell
Selaginella: The Charming Club Moss for Shady Groundcover
Identifying Volunteer Sorghum: Birdseed Escapee
Red Hot Poker (Kniphofia uvaria): Not 'Bread and Butter' but a Bold Perennial
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