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Methods Vary for Control
Control methods for individual species vary. Some require chemical treatment, while other need to be pulled from the ground. To find out how to remove various species, please see the control techniques.
Individual Control Methods
USE PESTICIDES WISELY: Always read the entire pesticide label carefully, follow all mixing and application instructions and wear all recommended personal protective gear and clothing. Contact your state department of agriculture for any additional pesticide use requirements, restrictions or recommendations. NOTICE: mention of pesticide products on this page does not constitute endorsement of any material.
| Invasive Plants | Non-chemical controls | Chemical controls | ||
| Multiflora Rose | Cutting, mowing or pulling | Application of systemic herbicides (e.g., glyphosate) to freshly cut stumps or to regrowth | ||
| Garlic Mustard | Hand removal of plants is possible for light infestations. When hand-pulling is not practical, flowering stems can be cut at ground level or within several inches of the ground, to prevent seed production. |
Application of systemic herbicide glyphosate (e.g., Roundup®) | ||
| Johnson Grass | Clumps and individual plants may be hand pulled | It can be effectively controlled using any of several readily available general use herbicides such as glyphosate | ||
| Japanese Stiltgrass | Manual removal results in unavoidable disturbance to the soil which can result in additional germination of stiltgrass seed. | For extensive stiltgrass infestations, use glyphosate (e.g., Roundup Pro®) | ||
| Japanese Knotweed | Grubbing is effective for small initial populations or environmentally sensitive areas where herbicides cannot be used. | Cut stem application: With a 25% solution of glyphosate (e.g., Roundup®,) or triclopyr (e.g., Garlon®) and water to the cross-section of the stem. Foliar application: Apply a 2% solution of glyphosate or triclopyr and water to thoroughly wet all foliage. |
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| Kudzu | The extensive root system must be destroyed. Close mowing every month for two growing seasons may be effective. | Late season cutting followed by systemic herbicide (e.g., glyphosate) Efforts are underway for a biological control agent for kudzu. |
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| Tree of Heaven | Young seedlings may be pulled or dug up. Root suckers are nearly impossible to remove effectively. For small infestations, repeated cutting of sprouts over time can exhaust the plants reserves and may be successful |
Herbicides, applied as a foliar (to the leaves), basal bark, cut stump, or hack and squirt treatment. Foliar sprays applied when trees are in full leaf are very effective, Both glyphosate and triclopyr should be mixed with water and a small amount (0.5%, or as per label) of a non-ionic surfactant (except for Roundup®, which contains a surfactant) to help the spray spread over and penetrate the leaves. |
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| Bush Honeysuckle | Hand removal of seedlings or small plants for light infestations, but do not to disturb the soil. Repeated clippings to ground level, during the growing season, may result in high mortality. | Seedlings can also be controlled by application of glyphosate (e.g., Roundup®), at a 1 percent solution, sprayed onto the foliage or applied by sponge. | ||
| Japanese honeysuckle | For small patches, repeated pulling of entire vines and root systems may be effective. Mowing large patches of honeysuckle may be useful if repeated regularly. | Healthy green leaves must be present at application time. Several systemic herbicides (e.g., glyphosate and triclopyr) have been used effectively., Apply a 2.5% rate of glyphosate (e.g., Rodeo® for wetlands; Roundup® for uplands) mixed with water and an appropriate surfactant, to foliage from spring through fall. Alternatively, apply a 2% concentration of riclopyr (e.g., Garlon® 3A) plus water to foliage, thoroughly wetting the leaves but not to the point of drip-off. | ||
Iron Furnace CWMA | 5459 State Route 217 | P.O. Box 144 | Willow Wood, Ohio 45696
Webmaster: Carrie Yaniko - carrie.yaniko@oh.nacdnet.net