Invasive Morning Glory Vines - Knowledgebase Question

Garden Grove, CA (Zone 9B)
Question by foxyladycj05
July 29, 2005
I have a neighbor that has planted

Answer from NGA
July 29, 2005


There is no easy answer to your question! Morning glory is difficult to control once established. It forms a deep, extensive root system and pulling the tops only encourages new sprouts from the roots. To kill it, cultivate or hoe every 6 weeks throughout the growing season; this eventually weakens the root system. Don't let it flower or set seed; the hard-coated seeds can sprout even after lying dormant in the soil for years. An herbicide containing trifluralin may provide pre-emergence control around many ornamentals. In mid-summer, when bindweed is growing vigorously but has not yet set seed, spot-treat patches with glyphosate, taking care to avoid contact with desirable plants.

Good luck with your eradication project!

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