Answer: Dogwoods need soil soil that is evenly moist yet well drained, meaning damp like a wrung out sponge. How often to water will depend on the soil and on the weather. To know if you need to water, dig into the soil with your finger. If it is still damp, do not water yet. When you do water, water slowly and thoroughly so its soaks down to the deeper roots of the tree.
Using an organic mulch will help keep the soil cool and moist. Apply it in a flat layer two to three inches thick spread out flat over the root area, no thicker. Do not allow it to touch the trunk or bark of the tree. The mulch will break down slowly over time and help feed the soil, too.
For fertilizer you could use a slow release granular fertilizer such as Hollytone along with a top dressing of compost each spring. Follow the label directions on how much to use and do not overfertilze, this is a naturally slow growing tree and does not need an excessive amount of nitrogen. Enjoy your dogwood!
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