How to Kill Bullrush
How to Kill Bullrush. Bullrush can grow almost anywhere with moderately warm temperatures and consistently moist soil, although it's most often found along ponds and lakes. While beneficial in some aspects, namely its ability to slow down or prevent soil erosion, it can quickly become an invasive nuisance when not properly cared for. Bullrush is...
Bullrush can grow almost anywhere with moderately warm temperatures and consistently moist soil, although it's most often found along ponds and lakes. While beneficial in some aspects, namely its ability to slow down or prevent soil erosion, it can quickly become an invasive nuisance when not properly cared for. Bullrush is notoriously difficult to kill because it reproduces from both rhizomes in its extensive root system and seeds. Due to its hardiness, bullrush requires constant maintenance to successfully remove.
Things You'll Need
Pruning shears
Garbage bin
Shovel
Glyphosate herbicide
Cut the bullrush with pruning shears or a weed trimmer. If the bullrush is on sturdy land, you can cut it with a lawn mower. Discard the trimmings in a garbage bin.
Dig up, using a shovel, as much of the root system as you can. Discard. If the bullrush is in a body of water, however, this may not be possible.
Continue to trim and dig up the bullrush on a bi-weekly to monthly basis, depending on the rate of growth. In some cases, constant cutting may be enough to kill it off.
Apply a glyphosate herbicide to freshly cut bullrush stalks if cutting doesn't take care of the problem. Follow the application directions for the chosen product for best results. Repeat the process as often as necessary, but don't exceed the recommended number of applications.
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