Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Juncaceae

Genus:

Juncus

Species:

Juncus cooperi

USDA Symbol:

JUCO3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Graminoid

Height:

100 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

apr,may,jun

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

Salt Tolerant:

Yes

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from rhizomes following fire; common in alkaline wetlands that experience periodic burns.

Soil Requirements

Soil Type:

sandy, alkaline, nutrient-poor soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

Commonly found in alkaline desert springs and seeps

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination and moist conditions.

The above propagation data sourced from Claude AI