They do some self sowing but not nearly as much as norway maple.
17+ Dogwood Leaves Turning Brown. And some water systems have too much acid or are alkaline. There are a number of possible reasons for dogwood (cornus florida) leaves to turn brown.
Dogwoods In Autumn Ramblin Through Dave S Garden from davermfarm.files.wordpress.com
When new trees have drooping or discolored leaves, there's a problem. It's potted, and lives on my porch in but should i pick off the brown leaves (which is only about 10% of the leaves)? Glues, turns, and finishes well.
That said, when planted in the right environment and using the right method, anyone can have success growing a dogwood tree.
On severely stressed trees, drying. The various dogwoods (cornus spp.) are among the most important flowering woody plants, bridging the line from shrubs to small trees. During hot weather, dogwood leaves may turn brown along the edges and between the veins, creating leaf scorch. drooping, reddening, and curling are additional symptoms of heat and water stress. The scorch is caused when evaporation of water from the leaves exceeds absorption of water.
