Brownhead Rush

Juncus phaeocephalus

Native to:
Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juncaceae
Genus:
Juncus
Species:
Juncus phaeocephalus
USDA Symbol:
JUPH

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug
Bloom Colors:
brown

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rhizomes following fire; tolerates periodic burning in wetland margins.

Soil Requirements

Soil Type:
moist, sandy to clayey soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in coastal marshes and wetlands

Propagation & Germination

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

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Seeds are collected between June 1st and August 31st. Mature inflorescences and seeds are brown. The plant is found on beaches, dunes, and meadows, from Los Angeles County and Santa Rosa Island north to Oregon.

Source: npn.rngr.net