Rattlesnake Quaking Grass Info: Care Of Ornamental Quaking Grass

quaking-grass
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By Mary Dyer, Master Naturalist and Master Gardener

Looking for an ornamental grass that offers unique interest? Why not consider growing rattlesnake grass, also known as quaking grass. Read on to learn how to grow rattlesnake grass and take advantage of this fun plant.

Quaking Grass Information

What is rattlesnake grass? Native to the Mediterranean, this ornamental quaking grass (Briza maxima) consists of neat clumps that reach mature heights of 12 to 18 inches. Tiny blooms shaped like rattlesnake rattles dangle from slender, graceful stems rising above the grass, providing color and movement as they shimmer and rattle in the breeze — and gives rise to its common names. Also known as rattlesnake quaking grass, this plant is available both in perennial and annual varieties.

Rattlesnake quaking grass is readily found in most garden centers and nurseries, or you can propagate the plant by scattering seeds on prepared soil. Once established, the plant self-seeds readily.

How to Grow Rattlesnake Grass

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Although this hardy plant tolerates partial shade, it performs best and produces more blooms in full sunlight.

Rattlesnake grass needs rich, moist soil. Dig 2 to 4 inches of mulch or compost into the planting area if the soil is poor or doesn’t drain well.

Water regularly while new roots grow during the first year. Water deeply to saturate the roots, and then let the top 1 to 2 inches of soil dry before watering again. Once established, rattlesnake grass is drought tolerant and needs water only during hot, dry weather.

Rattlesnake quaking grass generally doesn’t require fertilizer and too much creates a floppy, weak plant. If you think your plant needs fertilizer, apply a dry general-purpose, slow-release fertilizer at planting time and as soon as new growth appears every spring. Use no more than one-fourth to one-half cup per plant. Be sure to water after applying fertilizer.

To keep the plant neat and healthy, cut the grass down to a height of 3 to 4 inches before new growth emerges in spring. Don’t cut the plant down in autumn; the clumps of dry grass add texture and interest to the winter garden and protect the roots during the winter.

Dig and divide rattlesnake grass in spring if the clump looks overgrown or if the grass dies down in the center. Discard the unproductive center and plant the divisions in a new location, or give them to plant-loving friends.

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