Juncus Species, Common Bog Rush, Soft Rush

Juncuseffusus

Genus
Juncus (JUN-kus)
Species
effusus (eff-YOO-sus)
Synonym
Sun Exposure
Light Shade
Foliage
Grown for foliage
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Brown/Bronze
Bloom Time
Mid Summer
Other Details
Category
Ornamental Grasses and Bamboo
Ponds and Aquatics
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing the rootball
Seed Collecting
Bag seedheads to capture ripening seed
Regional

This plant is said to grow outdoors in the following regions:

Tuskegee, Alabama

Huntington, Arkansas

Morrilton, Arkansas

Knights Landing, California

Laguna Niguel, California

Bartow, Florida

Oldsmar, Florida

Binghamton, New York

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Gardener's Notes:

0
positive
3
neutrals
0
negative
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G
Laguna Niguel, CA | December 2008 | neutral

I received a very healthy pot-grown specimen from a friend who said that it had grown larger than she could use (6" in diameter at the ba...Read More

H
San Andreas, CA | December 2003 | neutral

18" long, leaves with sheating basess, sometimes flat and grasslike, pale green erect stems. Stems are cylindrical and filled with pithy...Read More

S
Oklahoma City, OK (Zone 7a) | August 2002 | neutral

This plant is considered invasive per the USDI, Geological Survey. 1999. (Information index for selected alien plants in Hawaii.)

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