Is Lonicera japonica invasive?

Japanese honeysuckle is one of the most recognizable and well established ornamental vines in the U.S. It is documented to occur and reported to be invasive throughout the eastern U.S. from Maine to Florida and west to Wisconsin and Texas, with scattered occurrences in the Southwest.

Is Lonicera japonica toxic?

Poisonous Varieties These are generally only mildly toxic in humans, but can be harmful to animals and small children. Japanese honeysuckle (Lonicera japonica), which is native to Asia and hardy to U.S. Department of Agriculture plant hardiness zones 4a to 9b, contains these toxic compounds.

Is Lonicera japonica edible?

Lonicera japonica: Sweet Treat. The honeysuckle family is iffy for foragers. It has edible members and toxic members, edible parts, toxic parts, and they mix and match. It is the honeysuckle kids grew up with, picking the flowers for a taste of sweetness.

Is it hard to grow honeysuckle from seed?

You can also propagate honeysuckle by seed, either saving seeds from your own vine or buying them. The seeds need to be cold to germinate, so you can sow them in the fall or start them indoors, mixing seeds and compost together and refrigerating for about 12 weeks.

When should I plant honeysuckle seeds?

Plant honeysuckle in spring or fall in U.S. Department of Agriculture plant hardiness zones 4a to 9b. The honeysuckle is vulnerable to leaf roller, aphids, scale insects, powdery mildew, blights and leaf spot.

Is Lonicera japonica Halliana poisonous to dogs?

Our dogs have been around all kinds of potentially poisonous plants, but never ate any of them. Evergreen fastgrowing Japanese honeysuckle, Lonicera japonica ‘Halliana’, may be poisonous and as with pyracantha and cotoneaster, there are berries to worry about.

What kind of berries does Lonicera japonica have?

Lonicera japonica has black berries, while the native species possesses red to orange berries. The fruits are produced September through November. Each contains 2-3 ovate seeds that are 2-3 mm long, dark-brown to black in color. Birds that consume the fruits and disperse the seed spread Japanese honeysuckle.

Are there any natural enemies for Lonicera japonica?

Lonicera japonica has few natural enemies in North America. There are no known biological agents for Japanese honeysuckle. Deer may forage on the plant, but cause limited damage. Timing of application is critical to effective Japanese honeysuckle control.

What’s the difference between a Lonicera and an invasive honeysuckle?

Lonicera sempervirens (coral honeysuckle), the native honeysuckle, is easily distinguished from the invasive honeysuckle by its upper leaves and berries. Leaves of the native species are connate – forming a single leaf that the stem grows through.

What are the dried leaves of Lonicera used for?

The dried leaves and flowers (Flos Lonicerae Japonicae) are employed in traditional Chinese medicine, being used to treat fever, cold-related headache, cough, thirst, certain inflammation including sore throat, skin infection, and tumor necrosis.

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