Judd viburnum is a large shrub that can grow up to 15 feet tall. It has glossy, dark green leaves and white flowers that bloom in the spring. The fruit is a blackberry-like drupe that is edible and often used in jams and jellies. Judd viburnum is native to the southeastern United States and is a popular landscaping plant.
Related plant:
Viburnum Juddii
Related plant:
Juddi Viburnum
About soil condition, Judd viburnum grows best in rich, well-drained soil, but it is quite tolerant of average soils. It does not do well in wet or poorly drained soils. Judd viburnum can be affected by a number of soilborne pathogens, including Phytophthora cactorum, Phytophthora root rot, and Verticillium wilt.
Similar to other viburnums, the Judd viburnum does best when planted in moist, well-drained soil in full sun to partial shade. It's a relatively low-maintenance plant, so it's perfect for busy gardeners. Once established, it doesn't need much water or fertilizer.
The temperature conditions that are best for Judd viburnum growth are between 60 and 70 degrees Fahrenheit. This plant does not tolerate freezing temperatures well. If the temperature falls below 60 degrees Fahrenheit, the plant may suffer from leaf damage. If the temperature stays below freezing for an extended period of time, the plant may die.
Ideal humidity condition for this plant is around 70%. If the humidity is too low, the leaves will start to turn brown and crisp. If the humidity is too high, the leaves will start to turn yellow and drop off.
Regarding fertilizer, this family of plant is known to be rather forgiving. In terms of timing, it is best to fertilize just before growth begins in the spring. For those who want to use organic fertilizer, compost is an excellent choice. As far as application, general guidelines would be to use 1 cup per plant. If you are unsure, it is always better to err on the side of using less, as too much fertilizer can lead to problems such as burning the roots.
Pruning is an important part of keeping your Judd viburnum healthy and looking its best. You should prune early in the spring, before new growth begins. remove any dead or diseased wood, as well as any crossed or rubbing branches. You can also shape the plant by pruning to create a desired look.
Propagation of Judd viburnum can be accomplished by seed, softwood or semi-ripe cuttings. Seed should be collected as soon as the fruit ripens and sown immediately. If seed is not available, softwood or semi-ripe cuttings can be taken from new growth in late spring or early summer. Cuttings should be 6-8 inches long and placed in a rooting hormone before being inserted into well-drained soil.
Usually, the plant growth rate . They grow anywhere from 1 to 2 feet per year, reaching a mature height of 15-20 feet. In some cases, judd viburnum has been known to grow up to 4 feet in a single year. The judd viburnum is a versatile plant that can be used in a number of different ways in the landscape.
Common problems for this kind of plant plants include insect pests and diseases. Insect pests include scale, aphids, and whiteflies. These pests can be controlled with insecticide sprays. Diseases that can affect judd viburnum plants include powdery mildew, leaf spot, and stem blight. These diseases can be controlled with fungicide sprays.
Source:
Viburnums for Iowa | Horticulture and Home Pest News
Viburnum x juddii Judd viburnum - University of Illinois Urbana
Viburnum leaves -- Viburnum leaf beetle - CALS