How to Remove Japanese Chaff Flower
These recommendations are primarily for homeowners and communities that would like to start working in their neighborhood greenspace. For each species, we recommend herbicide-free control methods but have added an herbicide option for some species for those who are comfortable using them. These methods were selected while keeping in mind limiting soil disturbance, reducing herbicide use, and avoiding harm to other species that may be present whether they be other plants/animals. Manual removal is possible for all of them if you have the time. If the infestation is overwhelmingly severe/large, we suggest you look into professional control.
Removal Difficulty: Medium
Removal of this species is rated as medium because it is often difficult to remove all root fragments and rhizomes, so the individual will often resprout multiple times. Because of this, follow-up is necessary to successfully remove this plant.
This plant is perennial, so hand-pulling is more difficult but is possible. It is likely that you will not be successful at pulling up all the roots, so follow-up pulling with a season and in following seasons is likely. To increase your chances of pulling up all the roots, try uprooting the plant the day after heavy rain when the soil is still soft.
If the plant is seeding, cut off the seed heads with pruners and place those in a yard bag before you begin uprooting. Place one hand in the middle of the plant, and the other at the base. This will reduce the chances of the plant snapping off as you pull. As you gently pull, wiggle the plant slightly to ease up the roots. After uprooting, place the plant in a yard bag and take off-site.
Place one hand at the base and one higher up to prevent breakage
Successful uprooting with all roots intact
Avoid stem breaking off from roots. The plant will regrow from the roots left behind
Bag Japanese chaff flower and dispose off-site, especially if it flowering or has seed heads
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