Lonicera maackii (Amur Honeysuckle)

Plant Info
Also known as: Bush Honeysuckle
Family:Caprifoliaceae (Honeysuckle)
Life cycle:perennial woody
  • Invasive - ERADICATE!
Habitat:part shade, sun; disturbed soil; fields, fence rows, forests, woodland edges, thickets, landscape plantings
Bloom season:May - June
Plant height:6 to 16 feet
Wetland Indicator Status:none
MN county distribution (click map to enlarge):Minnesota county distribution map
National distribution (click map to enlarge):National distribution map

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Detailed Information

Flower: Flower shape: irregular Flower shape: tubular

[photo of flowers] Pairs of irregular flowers arising from leaf axils all along first year branches. Flowers are white, ¾ to 1 inch long, with a slender tube and 2 lips, the upper lip with 4 erect lobes that become spreading with age, the lower lip reflexed down, narrower and longer than the upper, and both longer than the floral tube. Outer surfaces are hairy, especially the tube. Protruding from the tube are 5 long, yellow-tipped stamens and a long, slender, white style with a green, dome-shaped stigma at the tip.

[photo of stalkless flower pairs] The floral tube is about half as long as the lower lip and slightly swollen on one side. At the base of the tube is a green, egg-shaped ovary with 5 small, triangular lobes at the tip. The pairs of flowers are stalkless or nearly so. Flowers turn dull, pale yellow as they wither.

Leaves and stems: Leaf attachment: opposite Leaf type: simple

[photo of leaves] Leaves are opposite, 1½ to 3½ inches long, up to about 1½ inches wide, lance-elliptic, mostly widest at or below the middle, tapering to a pointed tip, rounded or tapering at the base with a short, hairy stalk. Edges are toothless and have a fringe of fine hairs.

[photo of branch and leaf hairs] The upper surface is hairless to finely hairy, the lower hairy at least on the veins. Twigs are green to reddish, finely hairy, and hollow with a brown pith. Older bark is brown to gray and often peeling in strips. Stems are many-branched and may take the form of a multi-stemmed shrub or small, spreading tree.

Fruit: Fruit type: berry/drupe

[photo of fruit] Fruit is a bright red, shiny, round berry, about ¼ inch in diameter, containing 2 or 3 seeds.


Amur Honeysuckle is a new arrival to Minnesota, the fourth exotic invasive Honeysuckle to grace our landscape. We first encountered it on an old homestead that is now part of Pine Bend SNA in Dakota County, but it's since been cut down. Chances are there is more of it there. Amur Honeysuckle has been called the most aggressive Honeysuckle in Illinois and is a prohibited/restricted species in Wisconsin. It is generally larger than the other species and can take the form of a large shrub or small tree, but the key distinguishing characteristics are the flowers and fruits that are stalkless or nearly so, leaves that consistently taper to a pointed tip (acuminate), and the hairy leaves and new stems. By comparison, Morrow's Honeysuckle (Lonicera morrowii) and Showy Honeysuckle (Lonicera ×bella) also have hairy leaves and stems, but flowers and fruits are at the end of a long stalk and leaves are blunt or pointed at the tip and not much tapering. Tatarian Honeysuckle (Lonicera tatarica) is like Morrow's Honeysuckle but is hairless, and both it and Showy Honeysuckle usually have pink flowers where Amur Honeysuckle and Morrow's Honeysuckle have white flowers.

All of these exotic Honeysuckles are problematic in natural areas. They can create dense thickets, they leaf out early and stay leafed out later than most other shrubs, all of which robs sunlight, moisture and nutrients from other plants in the understory. Birds eat the fruits and easily spread the seeds to new locations. The exotics are fairly easy to distinguish from the MN native Lonicera species: most natives are vines not shrubs, the native shrubs do not have the vigor or stature of the exotics, nor do they have pink or white flowers, and the twigs are solid where the exotics are hollow.

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More photos

Photos by K. Chayka taken in Dakota County. Photos courtesy Peter M. Dziuk taken in Dakoka County and in Illinois.


Have you seen this plant in Minnesota, or have any other comments about it?

Posted by: Julia Becker - Hastings. Along the hilly part of the trail to lock and dam
on: 2021-07-12 13:33:55

Walking this trail daily while visiting. Trying to identify plants along the way. I did not know honeysuckle could be a bush.

Posted by: John - Houston County
on: 2023-09-06 15:30:31

Is it possible for Amur Honeysuckle (Lonicera maackii) and Morrow's Honeysuckle (Lonicera morrowii) to Hybridize?

Posted by: K Chayka
on: 2023-09-07 03:42:51

John, we have no information about these hybrids.

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