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Montana Field Guide

Montana Field Guides

Dame's Rocket - Hesperis matronalis
Other Names:  Mother-of-the-Evening, Dame-s-wort, Dame's Gilliflower

Non-native Species

Global Rank: G4G5
State Rank: SNA
C-value: 0

Agency Status


External Links

General Description
Taprooted perennial. Stems 50–100 cm, often branched above. Leaves all cauline, lanceolate, 3–10 cm long, sessile above, dentate. Vestiture of simple and branched hairs. Inflorescence an ebracteate, branched raceme. Flowers purple to white, fragrant; petals 17–23 mm long. Fruit glabrous, linear siliques, constricted between seeds, 5–14 cm × 1–2 mm; style 1–2 mm long; seeds in 1 row per locule; pedicels spreading, 10–25 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
Escaping cultivation throughout much of temperate North America; introduced from Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 169

(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)

Moist, disturbed soil of fields and along roads, streams; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see

The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus pensylvanicus, Bombus griseocollis, and Bombus impatiens (Colla and Dumesh 2010).


  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Schwend, Ann C. 1995. Sclerotium spp for biological control of tall larkspur (Delphinium spp). M.Sc. Thesis. Bozeman, MT: Montana State University. 98 p.
  • Web Search Engines for Articles on "Dame's Rocket"
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Citation for data on this website:
Dame's Rocket — Hesperis matronalis.  Montana Field Guide.  .  Retrieved on , from