What Torpedograss looks like
Coarse grass with broad, somewhat stiff leaves; deep purple or bronze seed heads in summer; spreads via tough underground rhizomes.
Photo: Wikimedia Commons
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Best approach: Herbicide spray
Torpedograss rhizomes can be 6+ feet deep — digging is futile. Multiple herbicide applications over 1-2 seasons is the only reliable approach.
When to treat Torpedograss
Spot-treat while plants are young and actively growing; mature clumps usually need digging out.
Chemical treatment
Apply grassy herbicides (fluazifop or sethoxydim) during active growth in spring through summer. Multiple applications needed. Glyphosate is effective but will kill desirable grass.
No catalog product confirmed yet
We do not currently have a product in our catalog confirmed for torpedograss. Follow the treatment guidance below and check any product label for your turf before applying.
Apply grassy herbicides (fluazifop or sethoxydim) during active growth in spring through summer. Multiple applications needed. Glyphosate is effective but will kill desirable grass.
Use the removal and non-chemical management steps below for this species. A thick, healthy lawn helps resist new invasions; measure your lawn to build a plan that keeps it dense.
Non-chemical management
Ensure proper drainage and avoid waterlogged conditions; maintain dense, competitive turf.
How to stop Torpedograss coming back
Ensure proper drainage and avoid waterlogged conditions; maintain dense, competitive turf.
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What does Torpedograss look like?
Coarse grass with broad, somewhat stiff leaves; deep purple or bronze seed heads in summer; spreads via tough underground rhizomes.
What's the best way to kill Torpedograss?
Herbicide spray. Torpedograss rhizomes can be 6+ feet deep — digging is futile. Multiple herbicide applications over 1-2 seasons is the only reliable approach.
Is Torpedograss hard to get rid of?
Torpedograss is rated hard to control. It usually requires multiple applications and a consistent plan.
How do I stop Torpedograss coming back?
Ensure proper drainage and avoid waterlogged conditions; maintain dense, competitive turf.
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