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Montana Field Guide

Montana Field Guides

Orange Daylily - Hemerocallis fulva
Other Names:  Tiger Daylily, Roadside Daylily, Ditch Lily, Tawny Daylily

Non-native Species

Global Rank: GNA
State Rank: SNA
C-value: 1

Agency Status


External Links

General Description
Stoloniferous, scapose perennial up to 1.5 m tall. Leaves basal, linear, 50-100 cm long, 1-3 cm wide. Inflorescence a raceme or false umbel. Flowers several, broadly campanulate to funnelform, orange, perianth segments 6, inserted on the perianth, lobes 6-10 cm long, spreading or slightly recurved, tube up to 3.5 cm long. Stamens 6; stigma small, style long and slender, exceeding the anthers; ovary superior, 3-locular; ovules numerous. Fruit a capsule, seeds generally not maturing (adapted from: Churchill, 1986, in Flora of the Great Plains).

Range Comments
Introduced ornamental; widely escaped across much of North America, particularly in eastern half (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Escaping from cultivation, found along roadsides and streams, pastures or persisting at abandoned farm sites (from Flora of the Great Plains, 1986).


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Citation for data on this website:
Orange Daylily — Hemerocallis fulva.  Montana Field Guide.  .  Retrieved on , from