The Q&A Archives: Vinca & Morning Glory - Do They Mix?

Question: I already have vinca on the north side of my house. I was walking today, and picked up some morning glory vines that were growing wild in a farmers field. Can I plant some of the morning glory vines in my vinca to produce blooms in the summer? Are both vines too much? I do have junipers and chinese privets behind the vinca ground cover. I am also planning to plant some m.glorys beside my brick mailbox for them to grow up and cover the brick. Do morning glories grow out of control as a ground cover and how much do the spread?

Answer: Once established, morning glories usually spread invasively. In some states, certain varieties are considered noxious weeds and it is unlawful to plant them as they will choke out other native species. Since you "found" these plants it's difficult to say what they will do. I'd suggest trying them somewhere where you can more easily eradicate them if they do become a problem. I wouldn't recommend planting them amongst other plants, as overcrowding reduces air circulation, which creates a perfect condition for certain disease problems to take hold. I hope this info helps!

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