How to Protect an Olive Tree During Winter — Guaranteed Methods to Save These Beautiful Trees From the Frost
These expert-approved tips will ensure that your olive trees are ready for fresh fruiting next spring
If you ask me, olive trees are the crown jewel of Mediterranean gardening setups. And even if your gardenscape is not limited to one particular theme, these trees are a popular planting option that works beautifully in most indoor and outdoor environments.
However, like many other gorgeous plants, they need extra protection once the seasons transition from fall to winter. As the temperatures decline, these charming trees require some safeguarding from the chilly weather ahead.
Olive tree care can be relatively easy, but where do you begin? What do you need? How do you go about it? These questions are all extremely valid, especially if you're new to the gardening space. And luckily, we have all of these answers from seasoned experts no less. So let's get into it.
How to Protect Outdoor Olive Trees
In conversation with gardening expert Tony O'Neill, he tells us that olive trees definitely need a protective routine to get them through the winter safely and spritely. Here are his top tips.
Step 1 - Mulch Around the Base: "Apply a two- to three-inch layer of mulch around the base of the tree, ensuring it covers a wide area but doesn't touch the trunk directly," he advises. "This helps insulate the roots and retain soil moisture."
When picking your mulch, opt for materials that are olive tree compatible. For instance, olive trees adore pine mulch like this Garden Elements Eco-Friendly Long Leaf Pine Mulch from Walmart.
Step 2 - Wrap the Trunk: For young or more sensitive trees, Tony recommends wrapping the lower part of the trunk with burlap or a frost-protection cloth to guard against frost damage.
This Jute Gardening Burlap Roll from Amazon will come in handy for olive trees and other plants in your garden that require overwintering.
Step 3 - Use a Frost Cloth for Extreme Cold: "If you’re expecting harsh frosts, cover the entire tree with a frost cloth during the coldest nights," he says. "But remove the cover during the day to allow air circulation and sunlight to reach the tree."
Different types of olive trees may require slight tweaks to the process based on their hardiness factor but the winter shielding tips tend to be a one-size-fits-all.
I'm Tony O'Neill, a gardening expert and best-selling author. I am an educator with a thriving YouTube channel that has 426,000 subscribers and receives over 1.4 million monthly views. Through my award-winning website, simplifygardening.com, I share my passion for gardening and sustainability. I've authored books including "Composting Masterclass," "Your First Vegetable Garden," and "Simplify Vegetable Gardening," empowering individuals to cultivate their own green spaces.
How to Protect Potted Olive Trees
Olive trees are also familiar territory in the world of container gardening. In fact, gardeners enjoy housing these plants in rustic containers to bring a chic look to patios and porches.
But whether they're in or out of the ground, they need protection from the cold. Here are Tony's top tips for caring for potted olive trees as the temperatures drop.
Step 1 - Move to a Sheltered Location: "First, place the pot in a sheltered spot, like against a south-facing wall, or ideally indoors in a cool, bright area," he advises. "A garage or unheated greenhouse can work well."
Step 2 - Wrap the Pot for Insulation: "Next, wrap the container with bubble wrap or burlap to insulate the roots from freezing temperatures," he says. "This is especially important for heavy, large pots that cannot be moved indoors."
Step 3 - Reduce Watering: Lastly, he recommends watering only when the top few inches of soil are dry, as overwatering can lead to root rot in winter.
So if you have olive trees growing in your backyard and you're not keen on letting your hard work wilt in the cold, now's the time to begin preparing them for the onset of winter weather. Tony's tips are easy to follow and adopt so you should have no trouble extending their fruiting to the next season.
Plus, once you get to return them post-winter and watch the branches bloom shiny olives of their own, your efforts to protect them will be well worth it. And then you can make your first batch of clean, homegrown olive oil to savor over time.
Price: $100
Height: 18" - 36"
This Live Olea 'Mission' Olive Tree from Jackson & Perkins is a cold hardy variety that is perfect for USDA zones that tend to get frigid over the winter months.
FAQs
Should You Prune Olive Trees Before Winter?
Knowing how to prune an olive tree is important but figuring out when is also key to fostering healthy foliage. Tony tells us it’s best to avoid heavy pruning before winter, as pruning encourages new growth, which is susceptible to frost damage.
Instead, he recommends pruning olive trees in early spring once the risk of frost has passed. "Light pruning to remove dead or diseased branches, however, can be done in late autumn," he says. "This will help the tree conserve energy through the winter."
Should You Feed Olive Trees Before Winter?
"Avoid fertilizing olive trees late in the season," says Tony. "Feeding promotes new growth, which is tender and vulnerable to frost damage."
He tells us the last feeding should ideally be done in late summer to early autumn. Once winter is over, he suggests resuming feeding in spring to encourage healthy growth as temperatures warm.
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Amiya is a News Writer at Livingetc. She recently graduated with a Masters Degree in Magazine Journalism from City, University of London, and has lent her words to beauty, fashion, and health sections of lifestyle publications including Harper’s Bazaar and Women’s Health. Her experience as a research analyst has equipped her with an eye for emerging trends. When she’s off the clock, she can be found reading, listening to music, or overanalyzing her latest Co-Star update.
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