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Arborvitae are popular evergreen shrubs and small trees that provide year-round privacy and beauty. For gardeners in northern climates, selecting a hardy variety is essential to ensure your landscape thrives despite cold temperatures and harsh winters.
Understanding Hardy Arborvitae
Hardy arborvitae are varieties that can withstand the extreme cold and variable weather conditions common in northern regions. These plants are resilient, low-maintenance, and provide dense foliage that is ideal for hedges, screens, or standalone specimens.
Top Hardy Arborvitae Varieties for Northern Gardens
- Thuja occidentalis ‘Smaragd’ – Known for its vibrant emerald color and narrow, conical shape, this variety is highly resistant to cold and is a favorite for northern landscapes.
- Thuja occidentalis ‘Degroot’s Spire’ – A tall, slender variety that maintains its form and color even in severe winters.
- Thuja occidentalis ‘Emerald Green’ – Similar to ‘Smaragd’, it offers dense foliage and excellent winter hardiness.
- Thuja occidentalis ‘North Pole’ – Specifically bred for extreme cold, it has a compact form and maintains its green color throughout winter.
- Thuja occidentalis ‘Green Giant’ – A fast-growing, tall variety that is remarkably hardy and suitable for larger landscape needs.
Factors to Consider When Choosing an Arborvitae
When selecting a hardy arborvitae, consider the following factors:
- Climate Zone: Ensure the variety is rated for your USDA Hardiness Zone.
- Size and Growth Rate: Choose a variety that fits your space and desired growth pace.
- Sunlight Requirements: Most arborvitae prefer full sun but check specific needs.
- Soil Conditions: Well-drained soil enhances plant health and longevity.
- Maintenance: Consider pruning needs and overall care requirements.
Planting Tips for Northern Gardens
Proper planting ensures your arborvitae will thrive through the coldest months. Follow these tips:
- Timing: Plant in early spring or late fall when the ground is workable.
- Location: Select a site with good drainage and adequate sunlight.
- Spacing: Allow enough space for mature growth to avoid overcrowding.
- Watering: Keep soil moist but not waterlogged, especially during establishment.
- Mulching: Apply mulch to insulate roots and retain soil moisture.
Conclusion
Choosing the right hardy arborvitae can significantly enhance your northern garden’s beauty and privacy. By selecting varieties like ‘North Pole’ or ‘Smaragd’ and following proper planting techniques, you can enjoy lush, evergreen screens that withstand even the coldest winters.