WSU Whatcom County Extension

Integrated Pest Management for Blueberries

Hedge Bindweed

(Calystegia sepium)

Perennial Broadleaves

 

Hedge Bindweed Flower

Habitat Characteristics

A weed of landscapes, nurseries, and row crops; also common on fences and hedges. Thrives in rich, moist lowland areas.

 

Identification

A rhizomatous perennial vine with long climbing or trailing stems. Leaves are alternate, triangular-oblong, 2-4 inches long, smooth, with a pointed tip. Bases are prominent, angular, and heart-shaped. Roots are extensive but relatively shallow with a deep system of branched, fleshy rhizomes. Flowers are white or pink and are fused into a funnel shape, 1-3 inches long, like morning glory flowers. The fruit is an egg-shaped to rounded capsule containing 2-4 seeds.

Hedge Bindweed Leaves

Hedge Bindweed Twining

Life History

Shoots from rhizomes emerge in early spring. Rhizomes spread by cultivation, on farm implements, and in the topsoil. Seedlings emerge in spring and early summer. Flowers are present in July and August.

 

Management

Cultural Techniques

     - Mowing, disking and pulling can be somewhat effective, but must be done numerous times throughout the season. If done only once per season, it must be done when seedlings are less than one month old.

     - Mulch may be an effective control of morning glory but coverage must be complete in order to work.

Chemical Techniques

     - See Herbicide Efficacy Table (pdf)

 

Web References

USDA – NRCS Plant Profile, Hedge Bindweed
http://plants.usda.gov/java/profile?symbol=CASE13

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WSU Whatcom County Extension • 1000 N. Forest St., Bellingham, WA 98225 • (360) 778-5800 • whatcom@wsu.edu