Growing Information

Growing zone guide
Growing Zone Zone 3, Zone 4, Zone 5, Zone 6, Zone 7
Sunlight Bright light
Type of Soil Acidic to neutral
Mature Height 30–50 feet
Maintenance Level Moderate maintenance
Water Requirement Low to moderate (once a week in hot climate, once every 2 weeks in regular climate)

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Additional Information
Growth Rate
  • Speed: Slow to moderate grower; typically grows about 12-24 inches per year.
  • Mature Growth: Reaches 30-60 feet tall and 10-20 feet wide, forming a dense, pyramidal shape ideal for landscape design.
Colorful Leaves Yes
Flowering No
Bloom Color N/A
Ornamental Berries N/A
Disease resistant No
Cold Tolerant Yes
Heat Tolerant No
Drought Tolerant Yes
Deer Resistant Yes
Edible No
Wildlife Attraction
  • Attracts: Birds are drawn to the tree for nesting and feeding on the seeds from the cones.
  • Wildlife Resistant: Deer-resistant due to the sharp, stiff needles.
Self-pollinating Cross-pollinating
Seasonality
  • Foliage Season: Evergreen; provides year-round interest.
  • Flowering Season: Spring (April to May).
  • Hardiness Zones: USDA Zones 2-7
Ideal For
  • Specimen planting
  • Windbreaks and privacy screens
  • Large landscapes
  • Cold climates
  • Wildlife gardens
Leaf Description
  • Color: Silvery-blue to blue-green needles.
  • Form: Stiff, sharply pointed needles that are about 1 inch long and radiate around the branches, giving the tree a dense, full appearance.
  • Winter Interest: The vibrant blue needles provide a striking contrast in winter landscapes.
Flower Description
  • Color: Male cones are reddish and yellow, while female cones are green and purple.
  • Form: Small, inconspicuous flowers that mature into large cones.
  • Bloom Time: Spring (April to May).
  • Cones: Cylindrical brown cones that can reach 2-4 inches long and hang from the branches.
Pruning & Maintenance
  • Timing: Prune in late winter or early spring before new growth begins.
  • Method: Minimal pruning is required. Remove dead, damaged, or crossing branches to maintain a healthy structure and shape. Avoid heavy pruning to preserve the tree's natural form.
  • Topiary: While generally left to grow naturally, it can be pruned lightly for shaping in specific landscape settings.
Water Needs
  • Watering Frequency: Water regularly during the first growing season to establish a strong root system. Once established, it is moderately drought-tolerant but benefits from occasional deep watering during dry spells.
  • Soil Moisture: Prefers moist, well-drained soil but can tolerate brief periods of drought once established.
Light Needs

Thrives in full sun. For best growth and vibrant foliage color, provide at least 6 hours of direct sunlight per day.

Harvesting N/A
Fertilizing
  • Fertilization Time: Fertilize in early spring to support healthy growth and vibrant foliage.
  • Fertilizer Type: Use a balanced, slow-release fertilizer or organic compost, particularly in poor soils. Acid-loving plant fertilizers are ideal for maintaining optimal soil conditions.
Additional Care Tips
  • Mulching: Apply a 2-3 inch layer of mulch around the base to retain moisture, regulate soil temperature, and suppress weeds. Keep mulch away from the trunk to prevent rot.
  • Drought Tolerance: Once established, Picea pungens is moderately drought-tolerant but benefits from supplemental watering during prolonged dry periods.
  • Pests and Diseases: Resistant to most pests, but may occasionally experience aphid or spider mite infestations. Ensuring proper spacing and watering helps prevent fungal diseases.
Pollination
  • Pollination Type: Wind-pollinated. Male cones release pollen that fertilizes female cones, leading to seed production.
  • Seed Production: Produces small cones that mature in fall and provide seeds that attract birds.
Companion Plants
  • Rhododendrons
  • Hydrangeas
  • Hostas
  • Ornamental Grasses
Flowering and Seasonality
  • Foliage Season: Evergreen; provides year-round interest.
  • Flowering Season: Spring (April to May).
  • Hardiness Zones: USDA Zones 2-7
  • Color: Male cones are reddish and yellow, while female cones are green and purple.
  • Form: Small, inconspicuous flowers that mature into large cones.
  • Bloom Time: Spring (April to May).
  • Cones: Cylindrical brown cones that can reach 2-4 inches long and hang from the branches.
Pet Friendly

No

Growing Zone
  • Zone 3
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7

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