Wildflowers & Grasses diurnal

Foxtail Barley

Hordeum jubatum

A shimmering masterpiece of the prairie, Foxtail Barley transforms ordinary backyards into a sea of dancing, iridescent plumes. Its feathery seed heads catch the light like few other plants, offering a hypnotic display of purple and silver.

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Quick Identification

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Size

12–24 inches (30–60 cm) tall; flower spikes reach 2–4 inches (5–10 cm) in length excluding the long awns.

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Colors

Bright green stems; flower heads shimmer with silvery-pink, purple, and cream iridescent hues, maturing to a bleached golden-tan.

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Key Features

Long, feathery awns (bristles) up to 3 inches long that resemble a bushy fox's tail
Shimmering, iridescent appearance when swaying in the wind
Clump-forming bunchgrass growth habit
Awns that spread wide and become brittle as the seed head matures.

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6:00 AM – 8:00 PM (Best viewed during low-angle sunlight)

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Season May – August

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Diet Autotrophic; produces energy from sunlight via photosynthesis and draws moisture and minerals from the soil.

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Habitat Sunny open areas, meadows, disturbed roadsides, garden edges, and areas with alkaline or salty soil.

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Behavior

Foxtail Barley is a resilient perennial bunchgrass known for its striking, plume-like seed heads that appear in late spring and early summer. While it is often classified as a weed due to its ability to colonize disturbed soils, roadsides, and even high-salinity areas, it is frequently admired in backyard settings for its graceful movement. The plant spreads primarily through its seeds, which are equipped with long, barbed bristles designed to catch the wind or hitch a ride on passing animals.

In a backyard ecosystem, this grass provides essential early-season cover for various beneficial insects and small invertebrates. However, its 'behavior' can be aggressive in garden beds, where it readily outcompetes slower-growing flowers. It is also famous for its mechanical seed dispersal; once the seed heads dry out, they break apart easily, allowing the wind to tumble the 'tails' across the landscape to find new patches of bare soil.

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Camera Tips

To capture the ethereal beauty of Foxtail Barley on your EverydayEarth camera, focus on lighting above all else. The fine, silk-like bristles are highly reflective and appear almost neon when backlit. Position your camera so it faces the sun during the 'golden hours' of early morning or late evening; the light passing through the plumes will create a stunning halo effect that highlights the purple and pink iridescent tones. A low-angle mount, just 12 inches off the ground, will make the grass appear majestic and towering.

Because plants are stationary, they provide the perfect subject for time-lapse photography. Set your AI camera to take a photo every 15 to 30 seconds during a breezy afternoon. When played back, the foxtails will look like shimmering waves on the ocean. This is also the best way to document the 'unfolding' of the seed heads, which emerge from their green sheaths over a period of several days in the late spring.

A major tip for trail camera users: Foxtail Barley is a notorious cause of 'false triggers.' If your camera is set to motion-detect mode, the constant swaying of the grass in the wind can fill your SD card with empty videos. Use your camera's 'Zone Masking' feature to exclude the grass from the trigger area, or clear a small patch of ground directly in front of the lens. If you want to capture the grass itself, use 'Time Lapse' mode rather than 'Motion' mode to ensure you get the shots you want without draining your battery on wind-blown movement.

Similar Species

Species that look similar or are commonly confused with Foxtail Barley.

Squirreltail

Squirreltail has much stiffer, coarser bristles that spread out at wider angles and lack the shimmering purple/pink hue of Foxtail Barley.

Meadow Barley

Meadow Barley has much shorter, more upright bristles, giving it a much thinner and less 'fluffy' appearance than the bushy Foxtail.

Frequently Asked Questions

While Foxtail Barley doesn't move on its own, it is most visually 'active' during the morning and evening when the low sun reflects off its iridescent bristles. Its photosynthesis peaks during the brightest part of the day.

Foxtail Barley is a pioneer species that loves full sun and disturbed soil. You can sow seeds in the fall in a sunny, well-drained spot. However, be careful as it can spread rapidly and may be hazardous to pets.

As a plant, Foxtail Barley creates its own food using sunlight, water, and carbon dioxide. It thrives in soils where other plants struggle, including those with high salt or alkali content.

Yes, they are very common in suburban environments, often popping up along driveways, sidewalk cracks, or in the transition zones between manicured lawns and wilder garden edges.

Foxtail Barley has much finer, softer-looking bristles that shimmer with purple or pink tints. Squirreltail (Elymus elymoides) has stiffer, wider-spreading bristles that are generally more muted in color and don't have the same iridescent sheen.

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