|I am getting all kinds of suckers or new growth from ground up from some ornamental cherry and plum trees that are very strong rooted and impossible to pull. They are invading the area around the tree and some are even popping up by root into a near by garden right alongside flowers that I have planted and digging them out destroys the flowers they invade. HELP!|
|You might try using Sucker-Stopper RTU. It is made from the plant growth regulator napthaleneacetate (NAA). This product is widely used in commercial agriculture to prevent suckers and as a thinning agent on fruit trees. Prune off the suckers, the thoroughly cover the primary wound or where the existing sprouts have been removed. Be sure to treat before new growth suckers are 10 inches in length. The earlier you treat, the better. Control should last about 3 months.
You should be able to purchase Sucker-Stopper RTU at your local garden center or nursery.