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Baltic Rush
Juncus balticus
  
About Baltic Rush (Juncus balticus) Nurseries Show All Photos Juncus balticus is a species of rush known by the common name Baltic rush. It is native to a large part of North and South America. In California it is very widespread and occurs in every county. It is a plant of wetlands and other mesic places, though sometimes found in non-wetland areas. It prefers freshwater but can handle some salinity. It spreads by a rhizome and will occupy any suitably moist area. It will hybridize with many other Juncus species. There is one recognized subspecies at this time, ssp. ater, which also occurs over a large part of the state.
Plant Description
Plant Type
Grasses

Max. Height
3 ft (0.9 m)

Form
Fountain

Fragrance
None

Growth Rate
Fast

Dormancy
Evergreen

Flower Color
Brown

Native Status
Native

Natural Setting
Site Type
Freshwater or brackish marsh in a wide variety of settings

Sun
Part Shade

Elevation ?
-190' - 10736'

Annual Precip. ?
3.0" - 109.6"

Summer Precip. ?
0.15" - 3.95"

Coldest Month ?
23.9° F - 57.4° F

Hottest Month ?
43.8° F - 89.3° F

Humidity ?
0.23 vpd - 40.68 vpd

Soil Description
Tolerant of a variety of soils

Soil PH
5.0 - 8.0

Soil Toxicity Tolerance
Tolerates Saline Soil

Drainage
Fast, Medium, Slow, Standing

Cold Tolerance(° F)
Tolerates cold to -15° F

Sunset Zones ?
1, 2, 3, 4*, 5*, 6*, 7*, 8, 9, 10, 11, 12, 13, 14*, 15*, 16*, 17*, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Companion Plants
Use in a bioswale or bog-type garden with other wetland plants such as Yerba Mansa (Anemopsis californica), Sedges (Carex sp.), Monkeyflower (Mimulus cardinalis or guttatus), Willows (Salix sp.), and Hedgenettle (Stachys sp.)

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Moderate - High
Extremely Low
Very Low
Low
Moderate - High


Popularity
Seldom Used

Max. Summer Water ?
Keep moist
No Summer Water
1x/month
2x/month
3x/month
1/week
Keep moist


Propagation ?
By seed or rhizome cutting

Nursery Availability
Commonly Available



Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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