Field Bindweed (State designated weed)

Field Bindweed (State designated weed)

• Convolvulus arvensis
• Convolvulaceae (Morningglory family)

Field bindweed was introduced from Europe and has become a widespread weed problem in all parts of the U.S. except southeastern states. Because of its remarkable adaptability to different environmental conditions, it can be found at altitudes as high as 10,000 feet. It is a difficult weed to eradicate because of the long, deep taproot which can penetrate the soil to a depth of more than 10 feet and which gives rise to numerous long lateral roots.

Growth Habit: Perennial with an extensive root system, often climbing or forming dense tangled mats that can cling or climb.

Leaves: Green, oval shaped, notched opposite the prostrate stem with secondary leaves that become heart or arrow shaped.

Flowers: Numerous white to light pink, bell or trumpet-shaped, about 1 inch in diameter. The flowering period is from late June until frost in the fall. Fruit is a small, round capsule, usually four-seeded. Seeds can remain viable for as long as 50 years.

Roots: Deep, penetrating with extensive horizontal roots that support the thick flowering mat above ground. Broken roots will sprout new plants.

Other: Other common names include creeping Jenny, morning glory, perennial morning glory.

Status: State Designated Noxious Weed, Category 4 Fremont County: Widespread infestation. Control and maintenance of current weed infestations.

Control: It can be treated with herbicides or grazed with goats, but it is difficult to eradicate once it becomes entrenched. Biological control has shown some success in suppressing field bindweed. FCWP offers a 40 percent Cost Share on chemicals for controlling this species. Contact your local weed and pest office for treatment recommendations.

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