Arborvitae Struggling? Common Problems & Easy Solutions
Arborvitaes are a favorite for gardeners seeking year-round privacy, lush greenery, and that classic conical shape. But even though these evergreen beauties are known for being low-maintenance, they do have a few Achilles' heels—especially when it comes to deer, drought, and winter woes.
If your Arborvitae is looking less than fabulous, don't worry—we've got you covered with tips to tackle the most common issues from head to root!
1. Deer Damage: Nature's Weirdest Pruners
If you've ever seen an Arborvitae that looks like it's been pruned from the bottom up, you've likely witnessed deer browsing. This is one of the most common issues, especially with American Arborvitae.
Deer love the soft, tender new growth and will return again and again to snack, leaving behind a leggy, bare lower half. If you are not into hunting and venison stew, what are some other options?
Solutions:
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Physical barriers: A simple wire or mesh fence around the plant—about 4 to 5 feet tall—can work wonders. Since Arborvitaes are narrow and upright, the fencing doesn't need to be wide or invasive. When bucks are rubbing their antlers everywhere, you will need a sturdy fence around new trees to prevent trunk damage.
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Repellents: Use a deer repellent spray like Bonide Go Away Deer and Rabbit Repellent that tastes terrible to deer but won't harm your plant. Reapply every 2–3 weeks (or according to product directions) or after heavy rain. Starting this process immediately the day you are planting new Arborvitaes is key—first impressions matter to deer! By doing this religiously, you are teaching the deer that ‘these plants don't taste good!'.
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Plant smarter: Try deer-resistant alternatives like Green Giant Arborvitae, Spring Grove, or Eastern Redcedar Junipers—tougher choices that deer usually leave alone.
- Talk to locals: Deer palates vary by region, so consult with local gardeners or your county extension office to find out what deer in your area truly dislike. The Master Gardeners and knowledgeable folks at the local County Extension Office are a world of help!
2. Needle Drop: When Your Evergreen Isn't So Evergreen
If your Arborvitae is dropping inner leaves in fall or spring, don't panic—some shedding is normal. This is how evergreens renew themselves. But if the leaf drop is excessive or the foliage turns brown in large patches, something more serious may be at play.
Causes & Fixes:
- Seasonal shedding: A light interior drop of yellow or brown foliage is typical. Rake it away to keep pests and fungi at bay.
- Water stress: Arborvitaes don't like dry roots. Keep soil consistently moist, especially during dry spells or the first year after planting.
- Overwatering: Too much love can hurt! Root rot is a risk in poorly drained soils. Make sure your Arborvitae is planted in a well-draining location.
3. Windburn: Nature's Blow Dryer
In winter, strong winds and sun can dry out the foliage, especially on the south and west sides. This causes a bronzed or scorched appearance come spring—often mistaken for disease.
Prevention:
- Water in fall: Deeply water your Arborvitae in late fall before the ground freezes to hydrate it through the winter months.
- Mulch well: A 2–3 inch layer of mulch insulates roots and prevents water loss.
- Windbreaks: In exposed areas, consider installing burlap screens or windbreak fencing for young plants during their first few winters.
- Anti-desiccants: Spray Wilt-Stop or other anti-desiccant onto your evergreens and broadleaf evergreens to prevent winter moisture loss through their foliage.
4. Other Troublemakers
- Bagworms: These little pests build silk bags that look like tiny, dangling pine cones. Pick them off by hand or use an appropriate pesticide if infestations are heavy.
- Snow damage: Heavy snow and ice can bend or split branches. Gently brush off snow with a broom—never shake the plant, as frozen branches snap easily. Create snow-drift barriers or plant snow-drift blocking plants to protect your Arborvitaes.
- Nutrient deficiencies: Yellowing leaves can indicate a lack of nitrogen. A slow-release fertilizer formulated for evergreens in early spring can perk them right up!
Give Your Arborvitae the VIP Treatment
From deer drama to winter burn, Arborvitaes might have a few diva tendencies—but with the right care, they'll reward you with years of gorgeous green growth. Think of them as Ma Nature's topiary superstars: tall, fragrant, and always camera-ready when kept healthy.
Just remember: If your Arborvitae looks like it's been trimmed by a toddler, check for deer first!
Always start with prevention! A little protection goes a long way when it comes to keeping your landscape lush, green, and unbothered.
Let's keep those Arborvitaes standing tall and proud—no oddball pruning required!
Happy Planting!
