Cornus kousa

The Kousa Dogwood is a stunning, deciduous ornamental tree prized for its long-lasting, sophisticated floral display and distinct, vase-shaped architecture. Native to East Asia, this graceful beauty offers a more upright, refined silhouette than its North American counterparts, making it a standout focal point in any landscape.

In late spring, when most spring-blooming trees have faded, the Kousa Dogwood erupts in a spectacular canopy of pointed, creamy-white bracts that sit neatly atop the foliage. As the season progresses, these bracts mature into unique, raspberry-like fruits that add visual interest throughout the summer. As autumn approaches, the foliage transitions into a brilliant tapestry of scarlet and bronze, eventually revealing its beautiful, mottled, exfoliating bark that adds significant winter interest.

The Ecological Footprint

• Wildlife Sanctuary: Provides an excellent habitat and nesting cover for songbirds and small woodland mammals.

• The Berry Buffet: Produces unique, fleshy fruits in late summer that are relished by various bird species, supporting local wildlife populations.

• Pollinator Haven: The central flower clusters act as a reliable nectar source for native bees and beneficial pollinators during the late spring.

• Disease Resistant: Highly valued for its superior resistance to the common dogwood anthracnose, making it a reliable and long-lived addition to the home garden.

The Honest Harvest (What to Expect)

• The Perks: Exceptionally ornamental with multi-season interest, displays high disease resistance, tolerates sun better than native dogwoods, and features attractive, peeling bark for winter beauty.

• The Caveats: Prefers well-drained, slightly acidic soil and can be sensitive to prolonged drought or extremely dry, compacted sites if not properly established.

Specifications

• Botanical Name: Cornus kousa

• Common Names: Kousa Dogwood, Japanese Dogwood, Chinese Dogwood

• Mature Height: 15-25 feet

• Mature Width: 15-25 feet

• Growth Rate: Moderate (12-18 inches per year)

• Lifespan: 40-50+ years

• USDA Zones: 5-8

• Chill Hours: *

• Sun Preference: Full sun to partial shade

• Soil Type: Fertile, well-drained, slightly acidic soil

• Soil pH: Acidic (5.5-6.5)

• Water Needs: Moderate; prefers consistent moisture but tolerates drier conditions once established

• Flower Color: Creamy white bracts; late spring to early summer

• Fruit Type: Raspberry-like, red, fleshy drupes; late summer to autumn

• Pollinators: *

• Growth Habit: Upright, vase-shaped, spreading canopy

• Spacing: 15-20 feet apart for specimen planting

• Landscape Uses: Specimen tree, lawn tree, woodland gardens, foundation planting

• Maintenance Level: Low; minimal pruning required

Planting & Care Guide

• Hydration: Water deeply at the time of planting and maintain consistent soil moisture throughout the first two growing seasons to ensure robust root development.

• Siting: Select a location that receives full morning sun with some protection from harsh afternoon heat, particularly in warmer climates.

• Mulching: Apply a 3-inch layer of organic mulch around the root zone to moderate soil temperature and retain moisture, keeping the mulch a few inches away from the trunk.

• Establishment: Once established, this tree is relatively hardy, though it benefits from deep watering during extended dry spells in mid-summer.

• Pruning: Little pruning is necessary, but any dead, damaged, or crossing branches should be removed in late winter while the tree is dormant to maintain its natural structure.

• Fertilization: Generally benefits from a balanced, slow-release organic fertilizer applied in early spring if soil testing indicates nutrient deficiencies.