Oenanthe sarmentosa- water-parsley
Range:
Climate, elevation:
Found in low to middle elevations. (Pojar, 1995)
Local occurrence:
Common throughout range. (Pojar, 1995)
Habitat preferences:
In wet soils, along streams and marshes. (Pojar,
1995)
Plant strategy type/successional
stage: Tolerates sun or shade, can
spread vegetatively. (Jacobson, 2001)
Associated species: Found growing with Typha latifolia and Lysichiton americanum. (Guard, 1995)
May be collected as: seed
(Young, 2001), or vegetative cutting.
Collection restrictions or guidelines: Blooms mid
June to August. (Guard, 1995) Collect seeds between August and September when
flowers are mature and brown in color. (Young, 2001)
Seed germination: Soak for 24hrs and follow with 21-30 days of
cold stratification. Seeds will
germinate within 30 days. Average
germination rate is 50%. (Young, 2001)
Seed life: Not
specified
Recommended seed storage conditions: Keep moist
and store in refrigerator. (Young, 2001)
Propagation recommendations: Propagation by seeding is recommended.(Young,
2001) Cuttings of rooted nodes may be
transplanted.
Soil or medium requirements: Use standard potting mix,
lightly cover seeds. (Young, 2001)
Installation form: Not specified
Recommended planting density: Not specified
Care requirements after installed: Not
specified
Normal rate of growth or spread: Semi-aquatic perennial (Jacobson, 2001) rapidly produces
considerable above ground biomass. Stems
may grow to over 3ft. (Spear
Cooke, 1997)
Sources cited:
Jacobson, A.L. (2001). Wild Plants of Greater
Pojar, J., MacKinnon, A.
(1994). Plants of the
Spear Cooke, S. (1997). A
Field Guide to the Common Wetland Plants of
Young, Betty. (2001).
Propagation protocol for production of container Oenanthe
sarmentosa Presl.
plants; Golden Gate National Parks,
Photo on far left retrieved from http://www.calflora.net/bloomingplants/pacificoenanthe.html
Taken by Michael L. Charters.
Other photos taken by Jennifer Boardman
Data compiled by: Jennifer Boardman