A Kousa dogwood should have no problem with a winter in Surrey, recently planted or otherwise. Ask an Expert is made up of groups and individual experts. I suggest you look through the various maladies of dogwoods in the PNW Disease Guide https://pnwhandbooks.org/plantdisease/host-and-disease-descriptions?title=dogwood, and see if a closer look at the tree matches any of them. I have a ~20 yr old Kousa dogwood in my front yard that has done well up until last year when most of the leaves began to close up/curl and droop. The Kousa dogwood is a handsome, small- to medium-sized tree reaching a mature height of 30 feet. Those that survive suffer from twig die-back, discoloration and scorching of the margins of the leaves. Kousa dogwood should be planted in place of Cornus florida where Discula anthracnose is a problem. The few pest problems that occur on Kousa Dogwood are usually not serious. Plant a decline-resistant kousa dogwood (Cornus kousa) instead. Kelly's background also includes childcare, and animal rescue and care. Cornus kousa is resistant to the dogwood anthracnose disease that can affect Cornus florida. Many Kousa dogwoods actually grow wider than they are tall and offer low branches near the ground. The Kousa dogwood (C. kousa), also called Chinese dogwood, has a longer bloom season and different growth characteristics and is more tolerant of dry conditions than the native flowering dogwood. Check the soil, moist, does this even in recent rains. U.S. Department of Agriculture Forest Service: Cornus Kousa, USDA Natural Resources Conservation Service: Plant Guide -- Flowering Dogwood, Purdue University Purdue Plant & Pest Diagnostic Laboratory: Flowering Dogwood Doesn't Flower, Fertilizer Requirements for the Kousa Dogwood, The Best Time to Fertilize Fall Blooming Camellia. It is not rated as an urban tough tree … Kousa dogwood sun and soil requirements . The Asian Dogwood is often described as a large shrub because of its multi-stemmed habit rather than having a single trunk. I live in Florence, Oregon, and planted a Satomi dogwood in a sunny southern location (some shade in later afternoon), with exposure to wind. 'Elizabeth Lustgarten' and 'Lustgarten Weeping' - Notable for their weeping habits, this duo of cultivars grow to 15' with branches that arch downwards and bear white blooms. Borers and leaf spots. Dark green foliage in spring-summer with good autumn tones before fall. kousa shows best in full sun or part shade, and fertile, moist but well-drained, sandy soil. Slow Growth; Pale Foliage Caused by Root Competition Dogwood tree growth may be inhibited by turf cover--grass or weed plants--growing on the soil surface right up to the base of the trunk. Too much nitrogen fertilizer, even if used on your lawn around the Kousa, may result in little or no blooms. Since precocious flowering is often the basis for selecting dogwood cultivars, a grafted cultivar may be a better purchase if early flowering is a concern. Flowering Cornus (dogwood) trees are grown for their showy coloured bracts in late spring and early summer. It is not rated as an urban tough tree … The plant appears stressed especially during dry periods. We have one in a pot. With a professional background in gardening, landscapes, pests and natural ecosystems, Jasey Kelly has been sharing her knowledge through writing since 2009 and has served as an expert writer in these fields. Also, there is a subspecies of kousa dogwood, Cornus kousa var. A Chinese Dogwood tree, botanical name Cornus kousa, that fails to bloom or make flowers of any kind is a very common problem. Why I love this: These trees The Cornus kousa (Korean Dogwood or just Kousa) tree is more resistant to diseases that plague other dogwoods.It thrives in zones 5-9. Most have ivory flowers, and are attractive trees, but ‘Satomi’ has pink flowers that have darker edges and lighter centers. Native to Japan and Korea, Cornus kousa is a large shrub or tree with two good seasons of interest. Widely cultivated as an ornamental, it is naturalized in New … Problems with Cornus Kousa Satomi Dogwood Asked June 29, 2019, 11:46 AM EDT I live in Florence, Oregon, and planted a Satomi dogwood in a sunny southern location (some shade in later afternoon), with exposure to wind. They do have their Achilles ' heels rather than having a single trunk pointed pink to reddish pink bracts surround. Pink bracts which surround the center cluster of tiny green flowers, usually on one side of the Kousa varieties... Leaves could be part of the larger dogwoods are also susceptible to crown disease... Many urban landscape situations many white bracts green flowers that may infect or infest your dogwood tree - the. 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