How do I control the spread of Johnny Jump Up violas?
How do I keep Johnny Jump Up violas from taking over the garden. I was told that they pretty much stay in place but that was obviously incorrect. They are getting long and leggy and spreading all over. They are pretty but now I know the reason for their name. Should I just remove some of the wilder looking plants? i live on Long Island NY.
Pull by hand, and/or use a weed preventer. There are several kinds, organic (corn gluten) as well as conventional, available at any garden center. These things reseed so prolifically, I'd opt for a weed preventer if I were you.
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