(In other words, rather than watering on a schedule, monitor them for their needs, which will change with season and the plant's age.) Reducing stress gives trees the best chance at surviving damage and avoiding pest or disease issues.Ī number of reasons could be behind the bark cracking, and it is difficult to determine which was the initiator after the fact. They have minimal tolerance for constantly soggy soils, so check the soil moisture a few inches beneath the surface prior to watering.
Dogwoods are adapted to growing in open woodlands and woods' edges, where they receive a bit of shade during the hotter hours of the day. If so, be mindful of supplemental watering that may be needed during dry spells in summer and autumn.
These dogwoods appear to be sited in full sun, a condition that they tolerate but which can be stressful for them in summer. Once you find them, you can lightly cover them back up with a sprinkling of soil mulch over the root zone is beneficial, but keep it away from the base of the trunk so the bark can breathe. Although re-planting the trees to correct depth issues may be impractical, you might be able to expose them sufficiently as-is. You can gently excavate around the base of the trunks of all of the trees to see where the root flare is situated this is the location where main roots begin to branch off of the trunk. It is not uncommon for nursery-grown trees to sit too deeply in their pots with the root flare buried too far.
No treatments are appropriate except to give the tree time to recover, if it is able.Ĭheck the planting depth trees should sit with their root flares just at/under the soil surface. We cannot determine exactly what caused the trunk damage frost cracks, sunscald, and mechanical injury (even prior to purchase) are all possible. You can keep the tree for now and prune away any dead branches (or those that may die back in the next month or so), though it's possible the long-term performance of this tree is in question. The sapwood which supplies stems and leaves with water and nutrients is just underneath the bark if exposed or wounded, it can become infected or killed. The bark damage is concerning and likely causing the stunting on that side of the tree.
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