Crop Rotation Group
Miscellaneous
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Soil
Moist, well-drained soil enriched with plenty of compost or other organic matter.
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Position
Full sun to part shade.
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Frost tolerant
Cold hardiness varies with species, but most dogwoods can tolerate cold to -20°F (-29°C). Pacific dogwood is less cold tolerant.
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Feeding
None generally needed.
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Companions
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Spacing
Single Plants: 19' 8" (6.00m) each way (minimum)
Rows: 19' 8" (6.00m) with 19' 8" (6.00m) row gap (minimum)
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Sow and Plant
Set out purchased plants from fall through to spring, as long as your soil is not frozen. Container-grown plants can be transplanted until early summer, but may shed some leaves if set out under stressful conditions. Water young plants regularly, and cover the root zone with an organic mulch to keep the soil moist at all times. Dogwoods become more drought tolerant after the plants are well rooted.
Our Garden Planning Tool can produce a personalized calendar of when to sow, plant and harvest for your area.
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Notes
Native to the southeastern US, flowering dogwood is a multi-talented tree, featuring white or pink spring flowers, red berries, and red autumn color. Many heavy-flowering cultivars are available. Kousa dogwood, from Asia, blooms later than flowering dogwood, and is more resistant to disease.
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Harvesting
Dogwood branches make stunning cut flowers, especially when combined with azaleas and other spring-blooming shrubs. Slow-growing hardwoods, dogwood trees need little pruning beyond trimming off broken or dead branches whenever they appear. Be light-handed when pruning flowering dogwoods, because their natural lateral branching pattern is part of their appeal. Buds for spring’s flowers are present in fall, so avoid pruning in winter.
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Troubleshooting
Powdery mildew can be unsightly, but is often weather related and seldom strikes two years in a row. Dogwood anthracnose causes irregular black spots to form on leaves of North American species of Cornus, and can seriously weaken plants. Resistant varieties are available.
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