Viburnum Davidii Black Leaves
The adult weevil is a black wingless weevil about inch long.
[93] Viburnum Davidii Black Leaves Herunterladen. Black spots on viburnum asked june 12 2015 10 40 am edt we have a grouping of carlesii compactum viburnums and two of them have paler green leaves with black areas on the leaves picture attached. Well drained soil in sun part shade. Eventual mature plant size.
Among the most common causes for viburnum leaves turning brown or black are leaf spot diseases. Too wet isn t usually a problem. For instance this plant has large clusters of waxy flowers with bright red berries that fade to black in the fall.
Root weevil adults such as the black vine weevil otiorhynchus sulcatus feed on foliage and the injury shows up as ragged notches on the leaf edges. Downy mildew appears both. Various fungi including the anthracnose fungus can cause viburnum leaves to develop black sunken lesions.
The fungus produces fruiting bodies that show up on bark and branches as brown to black plump bumps. Originating from w china a small spreading evergreen shrub with leathery deep green three veined leaves and flattened heads of small white flowers followed by metallic blue black berries. This viburnum species is quite at home in wet soils being native to swampy areas and along bodies of water.
The koreanspice diminutive species of viburnum has white or pink flowers that add a lovely spiced scent to your garden. This variety of viburnum has deep green leaves and pure white flowers that are most abundant in late spring. I suspect the darkening of a few leaves recently after transplantation and some root disturbance is normal.
Do not see any bugs on the leaves. Bark and branches botryosphaeria canker is a serious disease of viburnum and many other ornamentals. Their leaves turn a shade of reddish purple in autumn.
Viburnum diseases leaf spot. It is a deciduous species and will add fall color when the leaves change. Although the foliar damage is not generally severe it can be very unsightly.
Family adoxaceae genus viburnum can be deciduous or evergreen shrubs with opposite simple or palmately lobed leaves and clusters of small often fragrant white or pink flowers followed by red blue or black berries.