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How do we get rid of kudzu on our HOA common areas?

By OurHOA · General information · Revised

How an HOA board gets rid of kudzu on greenbelts and common areas: finding root crowns, herbicide timing, a multiyear plan, and Texas and Florida noxious weed rules.

Part of the HOA board handbook: vendors, projects and upkeep.

The short answer

Kill the root crowns, not the leaves. Kudzu regrows from the knobby crowns where each vine roots into the soil, so a crew that cuts the curtain off the trees and leaves the crowns alive has bought the association one quiet month. Hire a licensed applicator to spray the patch twice a year, once in late spring after the leaves open and again in late summer or early fall. Dig out or cut-stump the crowns that keep resprouting, and budget for three to five years on any patch that has been there a while. Kudzu is a regulated noxious plant in Texas and Florida, which limits what can be done with the debris. Rules on weeds and on who may apply herbicide vary by state, by county and by your governing documents. This guide is general education, not legal advice.

Confirm what you have and where it roots

Mississippi State University Extension describes kudzu as a semi-woody, high-climbing vine that reaches about 80 feet. Each leaf has three leaflets, 2 to 8 inches long, usually lobed and hairy. Young stems carry stiff golden or rust-colored hairs. Violet, fragrant flower clusters appear from August through September, followed by flat, hairy pods that look like soybean pods. The UF/IFAS plant directory puts it in north and central Florida with scattered reports farther south. The Texas A&M Forest Service lists it among the invasive plants of East Texas. The growth habit matters more than the leaves. Mississippi State says kudzu spreads mainly by rooting at nodes where stems touch the soil, so a single patch can have dozens of rooting points. Before anyone prices the job, walk the edge of the patch in early spring, when Alabama Cooperative Extension says root crowns are easiest to spot, and flag them. Follow a vine down to the ground and scrape back the leaf litter. The crown is the cluster of buds and sprouting vines at or just below the soil surface. Map three things: the patch outline, any trees it has climbed, and whether it crosses onto a neighbor's lot, a creek bank or a utility easement. Each of those changes the method. If you are not sure the vine is kudzu, send photos to your county extension office first.

Why mowing and trimming rarely work

Most boards start by having the landscaper cut it back. Alabama Extension is blunt about why that fails. Trimming kudzu to keep it off the lawn or the property line will not give long-term control. Mowing works only if every vine is cut to the ground every week through the summer, and that has to continue for years, until nothing regrows. Skip a few weeks and the patch comes back. UF/IFAS gives a similar bar: close mowing every month for two growing seasons may work. Mowing a mature patch is also a safety problem. Alabama's forestry guide warns that dense kudzu hides ditches, stumps, logs, rocks and gullies, and that the fibrous vines clog mowers. Keep tractors out of an established patch until it has been treated and the ground is visible. There is one useful fact here for owners who have tried digging. The large tuber under a crown is a storage organ and cannot sprout, and kudzu does not sprout from lateral roots. Nobody needs to excavate the whole root. Cut just below the crown with a hatchet, mattock or small handsaw and pull the crown out. Alabama notes a shovel or hoe usually cannot cut through the woody root.

A treatment plan that matches the extension advice

Residential and landscaped areas. Alabama's residential guide limits homeowner settings to glyphosate and triclopyr products applied by foliar spray or cut-stump treatment, and says one annual treatment is not enough. Spray in late spring or early summer once the leaves are fully expanded, then treat the regrowth in late summer or early fall. Alabama's forestry guide adds two cautions: do not treat drought-stressed kudzu, and do not spray when a hard frost is expected within two weeks. Kudzu in trees. Spraying the lower leaves of a vine that has climbed into a tree does nothing useful, according to Alabama. Cut each vine just above the ground and treat the cut stem right away. Where kudzu covers saplings the association wants to keep, pull the vines off by hand and aim the spray away from the young trees. Open greenbelts and rights-of-way. Stronger products such as aminopyralid, clopyralid, metsulfuron and picloram work well on noncrop land, Alabama says, but they are not labeled for home landscapes and can injure desirable plants. Mississippi State warns that several of them are taken up through roots and should not be applied within two times the dripline of trees you want to keep. That is a call for the licensed contractor, made from the label. Creek and pond edges. Alabama notes that glyphosate and triclopyr amine are weak on kudzu alone but come in formulations labeled for aquatic use. Near water, only an aquatic-labeled product should be used. Older crowns. Alabama says young crowns can die after one treatment, while older crowns may need repeated treatment for three to five years. The faster route is to mark the big crowns as they resprout after the first treatment and dig or cut-stump them individually.

What Texas and Florida law adds

Texas: kudzu appears on both the noxious and the invasive plant lists in the Texas Department of Agriculture's figure for 4 TAC 19.300(a). Section 19.300(b) makes it an offense to sell, distribute or import a listed plant into the state in any live form unless a permit or exception applies, and subsection (c) carves out accidental movement during legitimate construction or agricultural work. For a board, that means no handing out cuttings, no live vines in the green-waste pile that leaves the property, and no planting it for erosion control on a slope. Florida: the UF/IFAS plant directory lists kudzu on the Florida Noxious Weed List (rule 5B-57.007, Florida Administrative Code) and in Category 1 of the Florida Invasive Species Council list. Section 581.091(1) of the Florida Statutes makes it unlawful to knowingly sell, offer for sale or distribute a noxious weed. If the patch sits inside a conservation easement or a water management district permit area, read the easement before any work. Our guide on removing invasive plants from Florida HOA common areas covers that easement check. Colorado: Mississippi State describes kudzu's range as Maine to Florida and west to Nebraska and Texas, so Colorado boards are unlikely to face it. If something like it turns up, call the county weed program. In every state, paid herbicide work usually requires a licensed applicator. Our guide on how to control poison ivy on HOA trails and common areas lists the Texas, Florida and Colorado license rules to check before a crew sprays.

When the kudzu crosses a property line

Kudzu rarely respects lot lines. A patch on an undeveloped parcel, a utility corridor or a neighbor's back slope will reinfest the common area every season, and treating only your side means paying for that edge forever. Alabama Extension tells anyone treating near a property line to talk with the neighbor first and follow the label. Send the adjoining owner a short letter before the first treatment. Sample wording: "The association is treating kudzu on the common area along [location] this [month]. The patch continues onto your property. Our contractor, [company], license number [number], would like to coordinate so both sides are treated in the same season. If you would like to be included or have questions about the products used, please contact [name] at [email] by [date]." Never let a contractor spray or cut on land the association does not own or control without the owner's written permission. If the neighbor is a city, county or utility, ask its parks or right-of-way office whether it already has kudzu on a treatment schedule.

Wording, timeline and the usual mistakes

Motion for the minutes: "Move that the association hire [company], applicator license number [number], to treat kudzu at the locations on the attached map with a late spring foliar treatment and a late summer follow-up in [year], including cut-stump treatment of vines in trees, at a cost not to exceed $[amount], and that the board renew the program each year until the annual survey finds no live crowns." Newsletter paragraph: "The vine covering the trees along [location] is kudzu, a noxious plant under state rules. The association's contractor will treat it twice this year and for several years after. Please do not cut, move or compost the vines, and do not take cuttings. If kudzu is on your lot next to common ground, contact [email] and we will try to coordinate treatment." A sample program. Year one, early spring: map and flag crowns. Late spring: first foliar treatment and cut-stump work on vines in trees. Late summer or early fall: second treatment on regrowth. Winter: compare the map with the original and note crowns that resprouted. Years two through four: the same two treatments on a shrinking area, plus digging or cut-stump treatment of each crown that keeps coming back. Alabama's forestry guide notes that herbicides do not kill seed lying in the soil, so keep a spring walk-through on the calendar for a year or two after the patch looks clear. The mistakes that keep the vine alive: paying for a one-time cut, spraying only the leaves inside a tree canopy, treating once a year in fall and calling it done, mowing a patch that hides a ditch, treating one side of a shared patch, using a residual product near trees the association wants to keep, and dropping the budget line the first spring the slope looks green with something else.

Sources

These guides are general education for HOA boards and residents, not legal, tax, or financial advice. Rules vary by state and by your community's governing documents - check with a professional for your situation.

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