Dogwood Tree Diseases Anthracnose. From there they spread to the leaves young shoots and then the fruits. The early symptoms begin in mid to late may as leaf spots.
It causes dieback or even death of infected trees. Dogwood anthracnose discula trees the early symptoms of discula anthracnose begin in mid to late may as leaf spots with tan or purple borders. Dogwood anthracnose is a problematic disease that all dogwood owners must take seriously.
The first parts of the tree to be affected are the flower bracts petals.
The origin is unknown and in 1991 the fungal disease was identified as discula destructiva. Despite the ease with which they grow there are a number of dogwood tree diseases and troubles that need to be taken care of. Dogwood anthracnose is not to be confused with dogwood spot anthracnose discussed previously or shade tree anthracnose affects other shade trees but not dogwood. For trees diagnosed with dogwood anthracnose carefully prune out all dying and dead twigs and limbs to prevent the disease from spreading to the main trunk.
