- Don't cut them down.
- Don't light a campfire under them.
- Give them water.
- Sing to them.
- Give them a big old hug.
Keep them topped
Keep them pruned
Don't cover roots at the base with mulch (6" clearing is necessary for tree to "breathe")
Keep them watered
Take clippings to local extension office for testing because some may need insecticides and some may need to be fertilized to stay healthy