Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Bouncing-bet - Saponaria officinalis
Other Names:  Common Soapwort, Soapweed, Crow Soap

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Rhizomatous perennial with glabrous foliage. Stems simple, to 60 cm. Leaves lanceolate to obovate, 3–8 cm long, short-petiolate or sessile. Inflorescence a terminal, branched, bracteate, many-flowered, open to congested cyme. Flowers: calyx 15–20 mm long, united into a veiny tube below and short, triangular lobes above; petals clawed, white to pinkish; the blade 8–15 mm long with erose to entire margins and 2 small adaxial scales; stamens 10; styles 2. Capsule ovoid-cylindric,15–20 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced to most of temperate North America; an escaped garden ornamental native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 8

(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)


Login Logout
Citation for data on this website:
Bouncing-bet — Saponaria officinalis.  Montana Field Guide.  .  Retrieved on , from