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Products > Carex divulsa [C. tumulicola, Hort.]
 
Carex divulsa [C. tumulicola, Hort.] - European Grey Sedge/ Berkeley Sedge
  

[2nd Image]
Habit and Cultural Information
Category: Grass-like
Family: Cyperaceae (Sedges)
Origin: Europe, Central (Europe)
Evergreen: Yes
Flower Color: Brown
Bloomtime: Spring
Synonyms: [C. tumulicola, Hort., Berkeley Sedge]
Height: 1-2 feet
Width: 1-2 feet
Exposure: Sun or Shade
Irrigation (H2O Info): Low Water Needs
Winter Hardiness: < 0 F
Carex divulsa [C. tumulicola, Hort.] - (European Grey Sedge/ Berkeley Sedge) - This sedge is an evergreen grass-like plant that forms arching clumps, 12-18 inches tall by 2 feet wide. It is a very versatile plant for use in coastal full sun to fairly deep shade. It tolerates boggy wet soils but is also fairly drought tolerant once established. The plant seems happiest when planted in light shade with regular to occasional irrigation but we have areas in our garden that rarely get irrigated with this plant growing happily, though somewhat smaller. Greenish flowers age to brownish flowers winter and spring and can be sheared off to neaten the plant and prevent reseeding - otherwise expect this plant to seed out into the irrigated areas of the garden. A great clumping plant for use in solid stands or combined with other sedges, grasses and herbaceous plants for a natural meadow look. Hardy to USDA zone 4 (well below zero F ). We originally received this plant in 1990 as Carex tumulicola, a native California plant commonly called Foothill Sedge that inhabits the coast range of California north to British Columbia. In 2004 Dr. Deiter Wilken, a Santa Barbara Botanic Garden botanist, attempted to key this plant but discovered that the plant would not key to Carex tumulicola or any other California native plant and became suspicious that this plant was not a California native species. In 2005 Tony Reznicek of the University of Michigan Herbarium keyed the plant to Carex divulsa, a wide ranging European species, and in 2006 Michael Curto wrote an article titled "An Imposter Identified: Berkeley Sedge Is European Grey Sedge" in the July, August September 2006 issue of Pacific Horticulture that confirmed this identification. There is general agreement that this is the correct name for the plant long sold in the California nursery trade as Carex tumulicola or Berkeley Sedge. Because of their in interest from those wanting a California native clumping sedge San Marcos Growers has begun to also grow the true Carex tumulicola but note that to this day much of what is continuing to be sold under this name in the California nursery trade is still the imposter, Carex divulsa, which we find is the more robust and attractive, though non-native, of these two sedges.  This description is based on our research and observations of this plant as it grows in containers at our nursery, in our own garden and in other gardens. We also appreciate receiving feedback of any kind from those who have additional information about this plant, particularly if they disagree with what we have written or have additional cultural tips that would aid others growing Carex divulsa [C. tumulicola, Hort.] .
 
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