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Rough Dropseed

Sporobolus clandestinus

Last reviewed: August 2026

Rough Dropseed (Sporobolus clandestinus)
Photo: (c) Cleveland Powell, some rights reserved (CC BY), uploaded by Cleveland Powell

Toxicity unknown

Rough Dropseed (Sporobolus clandestinus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

low

Size

24"–48" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, DE and 23 more states

Pollinators

bees, beetles

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Rough Dropseed.

Sporobolus clandestinus is a medium-sized native grass that forms tidy clumps and tolerates partial shade well. It produces delicate seed heads from summer through early fall and requires minimal water once established.

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In an HOA neighborhood

Rough Dropseed is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

This grass supports bees and beetles during its summer blooming period. The seeds also provide food for birds later in the season.

Common questions

How much sun does Rough Dropseed need?
Rough Dropseed grows best in part sun conditions.
When does Rough Dropseed bloom?
Rough Dropseed blooms in July, August, and September.
Where is Rough Dropseed native?
Rough Dropseed (Sporobolus clandestinus) is native to AL, AR, CT, DE and 23 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Rough Dropseed attract?
Rough Dropseed draws bees and beetles.
Is Rough Dropseed HOA-friendly?
Rough Dropseed is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Rough Dropseed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.