Arborvitae, with its evergreen beauty and versatility, is a popular choice for Minnesota gardens. These resilient trees and shrubs are valued for their dense foliage, natural privacy screening, and low-maintenance qualities. In this guide, we’ll explore some top arborvitae varieties that thrive in Minnesota’s climate and provide essential care tips to help you grow healthy and beautiful arborvitae in your garden.
Best Arborvitae Varieties for Minnesota
American Arborvitae (Thuja occidentalis): This native North American species is well-suited to Minnesota’s climate. Varieties like ‘Techny‘ and ‘Emerald Green’ are popular choices for their dense, compact growth and excellent winter hardiness.
North Pole® Arborvitae (Thuja occidentalis): A narrow, columnar evergreen tree with dark green foliage that holds its color in winter; makes an excellent articulation shrub or screen; pruning is not usually needed; very hardy, best with some sun, protect from drying winds.
Glauca Prostrata Korean Arborvitae (Glauca Prostrata): A prostrate, graceful garden shrub featuring fern-like blue-green foliage that is silvery-blue underneath; ideal for garden detail or foundation plantings; provide afternoon shade in hot summer climates; protect from drying winter winds.
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Essential Care Tips for Arborvitae
- Site Selection: Plant arborvitae in a location with full sun to partial shade and well-drained soil. Avoid planting in low-lying areas prone to standing water.
- Planting: Dig a hole twice as wide as the root ball and slightly shallower than the depth of the root ball. Backfill with amended soil and water thoroughly after planting.
- Watering: Water newly planted arborvitae regularly during the first growing season to establish a strong root system. Once established, water during dry periods, especially in late fall before winter dormancy.
- Mulching: Apply a layer of organic mulch around the base of arborvitae to conserve moisture, suppress weeds, and insulate roots from temperature extremes.
- Pruning: Prune arborvitae in early spring to maintain desired shape and remove any dead, damaged, or overgrown branches. Avoid heavy pruning that could compromise the tree’s natural form.
- Fertilization: Arborvitae generally don’t require frequent fertilization. Apply a balanced slow-release fertilizer in early spring if necessary, following package instructions.
- Disease and Pest Management: Monitor arborvitae for signs of common pests like bagworms, spider mites, or scale insects. Treat affected plants with appropriate organic remedies or consult with a professional for pest control options.
- Winter Protection: Protect young arborvitae from winter damage by wrapping with burlap or using anti-desiccant sprays to reduce moisture loss.
By selecting suitable arborvitae varieties and following these care tips, you can enjoy lush, green foliage and year-round beauty in your Minnesota garden. Arborvitae is an excellent choice for creating privacy screens, windbreaks, or focal points in the landscape, providing both aesthetic appeal and functional benefits. Happy gardening!
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