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Piptochaetium avenaceum

blackseed speargrass add to wishlist

Plant types and subtypes: Grasses, Ornamental Grasses

Light Requirements: part-sun, part-shade, shade

Water Use: medium

Soil Moisture: moist

Soil Description: rich, gravel/rock

Height: 2'-3'

Bloom Time: April, May, June

Bloom Color: white, purple

Leaf Color: green

Hardiness Zone: 5, 6, 7, 8, 9

Additional Tags: clumping, naturalizing, rock garden plant, shade garden plant

Piptochaetium avenaceum (black oat grass)
  • Piptochaetium avenaceum (black oat grass)
  • Piptochaetium avenaceum (black oat grass)

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Description

Piptochaetium avenaceum

Also known as:

blackseed speargrass

,

black oatgrass

,

blackseed needlegrass

Scientific Synonyms:

Stipa avenacea, Stipa virginica, Stipa barbata

Description

Piptochaetium avenaceum is a graceful, clumping grass with dark black, narrowly pointed seeds. Growing 1' to 3 ' tall, with an airy, fountain-like form, blackseed speargrass makes quite a statement in a moss garden, or rock garden.

Cultivation

This grass is native to moist, rich, well-drained transitional situations, in part to light shade. It will perform at its best in areas where it has little competition from other faster growing grasses. Zones 5-9

Propagation

Propagate from seed in early summer.

Additional Notes

The common names are a reference to the uncommon, black color of the seeds.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, CT, DC, DE, FL, GA, IN, KY, LA, MA, MD, MI, MO, MS, NC, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, WV

USDA Endangered Status:

  • Extirpated: PA
  • Threatened: IN

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Liliopsida Monocotyledons
Subclass Commelinidae
Order Cyperales
Family Poaceae Grass family
Genus Piptochaetium speargrass
Species Piptochaetium avenaceum blackseed speargrass