Blackseed Speargrass

Piptochaetium avenaceum

Native to:
Canada, Mexico, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Piptochaetium
Species:
Piptochaetium avenaceum
USDA Symbol:
PIAV

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
green, purple
Lawn Substitute:
Yes

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fall Color:
tan, brown
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Tolerates fire; resprouts from basal crown after low-intensity burns.

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open, sunny areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily after cold stratification; sow in fall or stratify for 30-60 days.