Roots are able to produce their own growth stimulators, so no root stimulator (also called rooting hormone) is recommended at the time of planting either, or any time in the tree’s life. The ...

They didn’t put much mulch in the installation and only a few drops of root stimulator. Q: I received for Father’s Day a live oak 24-inch box, delivered and installed (I was told it is a ...

In addition, there is no research to support using root stimulators for woody shrubs, except in the case of propagation. The best recipe for healthy green growth is healthy root growth.

Keep the planting site well-watered over winter, unless the ground is frozen. Root stimulators can be added at planting and also in the spring. Need a break? Play the USA TODAY Daily Crossword Puzzle.