Bush Honeysuckle
Removal in Ohio

How to Identify Bush Honeysuckle

Ohio has two dominant bush honeysuckle species — Amur honeysuckle (Lonicera maackii) and Morrow honeysuckle (Lonicera morrowii). Both are large, arching shrubs that grow 6–15 feet tall and form dense canopies that block sunlight from reaching the forest floor.

1. 1Opposite leaves. Leaves grow in pairs directly across from each other on the stem. This is one of the most reliable field identifiers because most native Ohio shrubs have alternate leaf arrangement. Each leaf is 2–3 inches long, oval, with a pointed tip.
2. 2Tubular flowers. Blooms appear in May and June. Amur honeysuckle starts white and fades to yellow. Morrow honeysuckle starts white and fades to pink. Both have a strong, sweet fragrance that draws pollinators away from native species.
3. 3Red berries in fall. Clusters of bright red, translucent berries ripen in September and October. Each berry contains seeds that birds eat and deposit across your property and beyond. A single mature plant produces thousands of berries per season.
4. 4Peeling bark on older stems. Mature honeysuckle stems develop a shaggy, peeling bark that distinguishes them from native dogwood and viburnum. The stems are hollow if you cut a cross-section — native look-alikes have solid pith.
5. 5November test. The easiest identification method: drive your property in late November after native trees have dropped their leaves. Every green patch in the understory is bush honeysuckle. It holds its leaves 2–3 weeks longer than anything native, making the invasion visible from a distance.

Why Honeysuckle Dominates Ohio

Bush honeysuckle has three biological advantages that make it nearly impossible for native plants to compete:

Extended growing season. Honeysuckle leafs out 2–3 weeks before native trees in spring and holds its leaves 2–3 weeks later in fall. During those windows, it captures sunlight that native understory plants need to photosynthesize and build root reserves. Native wildflowers, seedlings, and shrubs that depend on early spring or late fall light are starved out gradually.

Prolific seed production. A single mature honeysuckle plant produces thousands of berries that birds eat and disperse. Unlike native berries that birds eat and pass locally, honeysuckle berries have a laxative effect that causes birds to defecate the seeds quickly and at a distance. This means every songbird on your property is a honeysuckle seed dispersal system spreading it to new areas constantly.

Dense monoculture formation. Once established, honeysuckle forms a closed canopy at the shrub layer that eliminates all native understory. No native wildflowers, no tree seedlings, no ground cover — just a bare forest floor under a wall of honeysuckle. Ohio woodland ecologists estimate that severely invaded stands have lost 90% or more of their native understory plant diversity.

What You Can Do Yourself

Hand pulling (small plants). Honeysuckle seedlings and small plants with stems under 1 inch in diameter can be pulled by hand when the soil is moist. Grip the stem at the base and pull slowly to extract the root ball. If the stem snaps and leaves the root, it will resprout — you need the root out completely. This method is effective and satisfying for scattered individual plants or new seedlings.

Cut-stump treatment (medium plants). For plants with stems 1–4 inches in diameter, cut the stem as close to the ground as possible and immediately apply a concentrated herbicide (glyphosate or triclopyr) to the fresh cut surface. The herbicide travels through the fresh cut into the root system and kills it. Timing matters — apply within 15 minutes of cutting or the wound seals and the treatment fails. Fall application is most effective because the plant is actively transporting sugars to the roots.

How We Remove Honeysuckle at Scale

Forestry mulching grinds honeysuckle stems, root crowns, and surface root masses into fine mulch in a single pass. The Cat HM418 mulching head processes the entire plant — not just the top growth that a bush hog cuts. This destroys the root crown where regrowth originates and grinds the stem into mulch that cannot resprout.

The mulch layer left behind serves a second purpose: it blocks sunlight from reaching the thousands of honeysuckle seeds in the soil. Honeysuckle seed banks can persist for years, and any exposed soil will germinate a new crop of seedlings. A 2–3 inch mulch layer dramatically reduces that germination by keeping the seeds in darkness.

For severe infestations where honeysuckle has dominated the understory for a decade or more, we recommend a follow-up spot treatment during the first growing season after mulching. The mulching removes 90%+ of the biomass in a single day, and targeted herbicide application on the handful of resprouts that emerge from root fragments finishes the job. This combination approach — mechanical removal followed by chemical follow-up — is the most cost-effective invasive control strategy available.