The Q&A Archives: Spot Where Nothing Will Grow

Question: I have a spot at the top of my yard that is begging for a beautiful ornamental tree, but everything I plant there dies! I've tried a couple dogwoods, and now a hydrangea tree is up there on it's last legs... it's about 10 feet in from the street. Could road salt be leaching into the soil? It is very hard, rocky soil, but we did prepare the hole by digging much wider/deeper than the root ball and adding peat moss and loosening the soil. Would appreciate any suggestions as to conditioning the soil or replacing with a different type of tree. It gets full sun.

Answer: in the car, so maybe you can find another location thatis actually better suited for such a tree. Good luck with your new tree!

in the car, so maybe you can find another location thatis actually better suited for such a tree. Good luck with your new tree!

soil and localized growing conditions, then loosen the soil in the planting area going to the depth of the root ball and outward for a fairly large area, then planting without amending the soil. This is done to encourage the tree to root outward into the surrounding native soil as it would in nature.

Sometimes a tree planted in a carefully amended soil as you described will root only within the original planting hole, as though it was still in a planting pot, and this causes stress in subsequent years. The difference in soil structure from the hole to the surrounding area can also cause it to absorb water at a different rate, potentially causing it to dry out or possibly retain excess water creating an imbalance that way.

Additional care for a new tree includes watering it as needed to keep the soil evenly moist down deep in the root zone. This is done by watering deeply less often rather than a daily light sprinkling (dig down a bit and see if your watering has penetrated down six inches or so, test the soil an inch down to see if it is dry and you need to water) and using several inches of natural mulch over the entire root zone to both help retain soil moisture and keep down competing weeds. Watering should be done during the first growing season and into the fall until the ground freezes and then again in times of drought for the first three to five years the tree is in place.

It may be that this particular location is not really all that well suited to the smaller ornamental spring flowering tree you are hoping for. You may find that a juniper for instance would be more likely to thrive in that location; sometimes we need to revise our plans based on the realities of the site. It is also, in my experience, usually just as if not more enjoyable to see such a tree close-up near the front walk or rear patio than to pass by it quickly when coming and going

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