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Nettles Urtica

Every rated Urtica record is fire-resistant — 1 of 2 records; none is condemned. These counts describe the cited records — 2 records carrying 3 evidence rows from 2 cited sources; they do not make one verdict for the genus.

Fire-resistant

1 species

Dwarf nettle Fire-resistant Urtica urens Limited evidence · 1 source

Awaiting evidence

1 species

Urtica dioica Awaiting evidence Urtica dioica Limited evidence · 2 sources

About nettles

Corpus context. Urtica is the directory's #543 largest of 550 genus groups: 2 records carrying 3 evidence rows from 2 cited sources, recorded as perennial . Those are corpus facts, not a whole-genus flammability claim.

More about Urtica: Wikipedia — external references; not evidence sources.

Where rated nettles grow

Tagged as growing in 29 states.

See Urtica on Grow → · JSON