Skip navigation

Weed Identification

foxtail barley

Family

Poaceae

Scientific Name

Hordeum jubatum

Habit

This grass can be an annual or perennial depending on environment. It grows in an ascending fashion up to 31.5 inches. This plant is very coarse on both the plant and the seedhead, which can cause animal injury. The seedlings are typically skinny and tall.

Leaves

The leaf can be hairy on both the top or bottom, and is sandpaper-like. They can be 1 to 9 in long and 2 to 5 mm in width. They have a bluish green color as well.

Identifying Characteristics

It is recognized due to its foxtail-like seedhead. These seedheads can cause injury to animals that are grazing or moving through patches of this grass. The leaves and sheaths are hairy and it has a medium size membranous ligule.

Flower Seed Head

It is a foxtail-like spike that have awns (long hair like structures) that can cause serious discomfort to grazing animals. The seedhead can be 2 to 8 in long with awns that range from 1 1/2 to 3 in long.

Seed Fruit

The seed is 5 to 8 mm long with a long awn 1 1/2 to 3 cm in length

Where Found

Can be found in most of the United States including Alaska, and also in Canada. This includes in different field and pasture settings, and also on roadsides and waste areas

Leaf Hair on Upper Surface

Varies: 
no hairs
hairs from base to tip

Leaf Arrangement

rolled in bud

Mature Leaf Width

less than 5 mm

Stem

round

Seedhead

spike

Life Cycle

perennial

Auricle

not present

Ligule

membrane

Ligule Length

Varies: 
less than 1 mm
1-2 mm

Plant Type

Grass