Twelfth Rush

Juncus uncialis

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juncaceae
Genus:
Juncus
Species:
Juncus uncialis
USDA Symbol:
JUUN

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Graminoid
Height:
10 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
brown, green

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
waterfowl, shorebirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
sandy, nutrient-poor, well-drained soil
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Typically found in coastal or wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Requires light for germination; surface sow and keep moist.

The above propagation data sourced from Claude AI