University of Illinois Extension
University of Illinois Extension - Selecting Shrubs for Your Home
http://www.urbanext.uiuc.edu/shrubselector
Korean Boxwood
Buxus microphylla var. koreana
Korean Boxwood, form of the hybrid 'Wintergreen'
Size:
Size: small
Small

Medium

Large
Exposure/ Light Requirements:
Full Shade not required.
Full Shade
Full Sun required.
Full Sun
Partial Sun/Shade required.
Partial Sun/Shade
Pests and Problems:

Environmental Damage

Insect Damage


Mites, scale, leaf miners, mealybugs and webworms are possible. Canker, leaf blight and leaf spot are possible. Success in growing boxwood in zone 5 depends on careful selection of winter hardy cultivars; winter injury and sun scald are common injuries seen on this evergreen shrub.
Hardiness Zone: 5 - 9 
Mature Height: 3-4 Feet
Mature Width: 3-4 Feet
Features: Evergreen leaves that turn yellow-brown to purplish in winter.
Culture: Full sun to partial shade; mulch to keep root system cool and moist; the evergreen foliage needs to be protected from drying winds, especially in winter.
Cultivars:
  • 'Wintergreen' - Hardy to zone 5, bright green foliage that is less prone to winter discoloration.

Hybrids between Buxus microphylla var. koreana and Buxus sempervirens:

  • 'Glencoe' (Chicagoland Green®)- Maintains good color in winter, 2-3 feet tall
  • 'Green Gem' - Maintains good color in winter, mounded habit; 2 feet tall
  • 'Green Mountain' - Foliage turns bronze in winter, habit is more upright than other hybrids
  • 'Green Mound' - Mounded habit, 3 feet tall
  • 'Green Velvet' - Rounded habit, 4 feet tall
Mature Form: Rounded to broad rounded.
Native To: Korea
Soil Conditions:
Dry
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Wet
Tolerance:
Alkaline Soil
Dry Sites
Salt
Soil Compaction
Wet Sites
Wind
Uses:
Barrier
Border
Use for: Foundation.Foundation
Use for: Hedge.Hedge
Massing
Naturalizing
Screen
Use for: Specimen.Specimen
Foliage Color: Green
 
Fall Foliage Color: Brown
Green
Purple
Yellow
 
Additional Notes:

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