Salt sensitive. Infected leaves exhibit marginal leaf scorch, dead patches, reddish discoloration, yellowing and premature defoliation. Moderate grower to 20 feet high, 15 feet wide. Insects Are Infesting My Silver Maple Trees. Do not prune when the tree is flowering in the spring, or you will make it vulnerable to dogwood borers, one of the very few pests that seriously affect it. Planting a Kousa dogwood can extend the spring flowering season several weeks since it flowers just after flowering dogwood. If you've been afraid to plant a Dogwood tree for fear of disease and/or borer problems, fear not. We have all heard the fables about how even the smallest can bring down the mighty. Plant a decline-resistant kousa dogwood (Cornus kousa) instead. Dogwood is a popular ornamental tree with its flowering bracts, elegant foliage, and bright red fruits. It is a plant native to East Asia including Korea, China and Japan. Cercospora and septoria leaf spot, caused by the pathogens of the Septoria species and Cercospora cornicola, result in spotted foliage, particularly during warm, wet weather. Areas beneath aphid feeding sites may become saturated with honeydew, a sticky-sweet secretion these pests release while eating. Aber schauen wir uns die Erfahrungen zufriedener Probanden einmal präziser an. This is a serious fungal disease of dogwoods that is prevalent in states east of Missouri. It is not rated as an urban tough tree and needs open soil space to look its best. Feed in early spring. Young dogwoods are usually attacked at the crown. Attractive horizontal tiers of branches help make this small deciduous tree popular. Which affects mainly the C. nuttallii and the C. florida species. As midges feed, galls, or swellings, form on surrounding plant tissue, sometimes causing twig death. Leaf and flower blight (botrytis), crown canker, bacterial leaf scorch, powdery mildew, septoria leaf spot. It is not rated as an urban tough tree and needs open soil space to look its best. And if this one is well mulched now - something that should be standard practice with all woody plant installations anyway - that will have some protective effect in regard to frost penetration. Here’s the problem, this is where the plan went wrong. The tree usually dies in three to five years. Dogwood clubgall midges (Resseliella clavula) also tunnel into dogwoods. Harvesting Rooted Cuttings from the Propagation Bed. Insects, Diseases and Other Plant Problems: Calico scale, dogwood borer, dogwood sawfly, Japanese maple scale, leafhoppers, oyster shell scale. Take a Peek. The Samaritan® Japanese Dogwood is an especially attractive form with variegated white and green foliage. Comments Beautiful flowers, fruit, fall color, and nice winter silhouette provide year-round interest. The C. kousa is grown for its flowers in addition to its hardy, dependable nature. Though technically edible, they're best left for the birds and other wildlife foragers. The dogwood … Protect from harsh sun in hot regions. Pink Diamond Hydrangea, Growing, Selling and Propagating this Amazing Plant. Tree Type This tree is considered both a flowering tree and an ornamental tree. One of the reasons we love these plants as they age is that they develop what's called exfoliating bark. While kousa dogwoods are prized for their ability to resist many dangerous dogwood diseases, they are still susceptible to infectious problems. Very showy in late spring. History and Origin of the Pink Kousa Dogwood. Visit What's wrong with my shrub? If you are looking for such a tree, then try planting this.