Pinus strobus 'Blue Shag'
Common Name(s):
Blue Shag Eastern White Pine
Blue Shag White ine
Synonym:
Dwarf Eastern White pine
Flower:
No Flower
Blooms :
to:
Botanical Description
Fragrant?
NO
Family:
Pinaceae
Med - Lg Shrub (usually >3' and never < 1.5')
Foliage:
Green
Short, blue green 5" needles in bundles of 5 are soft to the touch
Fall Color?
YES
Green foliage
Evergreen
Photo by:
Heading 6
Dense globe-shaped form with striking blue-green needles
Oregon Native?
NO
West State Native?
NO
Origins:
Cultivated variety of Eastern White pine that grows in Southern Canada from Manitoba to Newfoundland, throughout the northern and eastern states from Minnesota and northern Iowa to the Atlantic coast, and southward along the Appalachian mountains to northern Georgia and Alabama
Site Selection
Minimum USDA Hardiness Zone:
3
Water Needs:
M
Sun Needs:
Sun
Deer Resistant?
NO
Firewise?
NO
Height:
2-4'
Spread:
2-4'
Growth Rate:
Fast
Native Habitat:
Cultivar so has no native habitat
Soil:
Prefers fertile, acidic, medium moisture, well-drained soil; Intolerant of compacted, clayey soils, alkaline conditions
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Apply a balanced slow-release acid loving fertilizer once each year in early spring
Mulch:
Organic compost, shredded leaves, pine bark
Deep water during dry spells and in fall before ground freezes, fertilize if needed, give light pruning during winter months if needed, mulch, watch for pests
Long Term:
Winter:
Deep water before freezing, water once a week if temperatures are warm, protect from heavy snow by gently removing, can prune if needed
Spring:
Light shaping, fertilize, monitor for pests
Summer:
Consistent moisture, mulch, monitor for pests
Fall:
Root hydration before winter, prune if needed, winter preparation
General Care Comments:
Prefers cool, humid climates likes fertile slightly acidic soil, apply a 2-3" layer of mulch, once established water once a week during dry spells
Common Problems
Potential to get white pine blister rust if in close proximityto gooseberry bushes
Diseases:
White pine blister rust could be a problem.
Insects:
White pine weevil, pine aphids
Environmental Problems:
Intolerant of air pollutants such as sulfur dioxide and ozone.
Pests:
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