
Teo Spengler
Raised in Alaska, where the sun never rises in the winter and the trees are stunted by permafrost, Teo Spengler fell in love with plants when she moved to California for college. Gardening became more of a passion than a pastime, as she studied horticulture and took master gardening courses. Spengler completed an intensive sixteen-week program to qualify as a docent at the San Francisco Botanical Garden and has given public tours there for some years. She has also earned a BA in politics, an MA in English, an MFA in creative writing, and a JD from Berkeley Law School. She has written about nature, trees, plants, and gardening for 20 years for a variety of websites including Gardening Know How, Hunker, Home Guides, San Francisco Chronicle and Gardening Guides as well as publishing two novels, following a long career as an attorney and legal writer. Spengler currently splits her life between San Francisco and the French Basque Country where she has practiced her skills in both personal and public gardens for the past two decades. Her extended family includes some 30 houseplants and hundreds of outdoor plants, including 250 trees—mostly oaks, birches and beeches—that she planted on her land in France.
Latest articles by Teo Spengler
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Plant These 6 Trees in February – They’ll Shape Your Garden for Decades and Now Is the Perfect Time to Get GrowingSomewhat unbelievably, February is actually a great time for planting certain trees. Plant these 6 fabulous trees and transform your landscape.
By Teo Spengler
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Hummingbirds Return to US Gardens as Early as February – Here are 5 Ways to Make Sure They Stop in Your YardThey're back! Learn the expert secrets to attracting hummingbirds in February. Make sure your backyard is hummer-friendly so you can support the first wave of hummingbirds this month
By Teo Spengler
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Planting Potatoes in Bags Is the Quickest and Easiest Way to Harvest Your Own Homegrown Spuds – Here's How to Do ItHave you ever found yourself digging in the dirt to find your remaining spuds? Planting potatoes in a bag makes for easy growing and an even easier harvest.
By Teo Spengler
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Choose the Best Compost Worms for Easy Home Vermicomposting – Get the Most Nutrient-Rich Compost Ever!Having the best worms for vermicomposting makes a big difference. Learn which compost worms are ideal and which to avoid.
By Teo Spengler
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6 Plants to Add to Your Beauty Routine to Give Yourself a Garden Glow-UpMake this the year of the “garden glow up” with these 6 key beauty care plants – proof that your backyard is the ultimate beauty counter for a natural glow
By Teo Spengler
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How to Repot a Fiddle Leaf Fig: A Step-by-Step Success GuideFiddle leaf figs are famously finicky, but sometimes a bigger home is non-negotiable. Discover the repotting secrets that keep your leaves from dropping.
By Liz Baessler
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Pruning Dogwood Trees and Shrubs for Years of Vibrant Multi-Season ColorThey are some of the most generous and enduring vibrant showy ornamentals you can grow – but pruning dogwood trees and shrubs will ensure the most spectacular displays for years and years
By Teo Spengler
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These 4 Garden Plants Support Better Gut Health – and They’re Easy to Grow OrganicallyIt's becoming even more apparent that gut health is tied to overall health. Improve yours with these great superfoods that you can grow in your own garden.
By Teo Spengler
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This Pro Hard Pruning Trick Can Make Your Tired Old Shrubs Look Young AgainYou don't need a time machine to give tired old shrubs a new lease of life. Here’s how rejuvenation pruning can turn back the clock and restore woody favorites to their former glories
By Teo Spengler
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Grapevine Care Made Easy: Complete Guide to Growing Grapes in Your Home GardenGrowing grapevines may seem intimidating, but there is nothing to fear. Learn everything you need to know about growing grapes at home.
By Teo Spengler
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This One January Spray Stops Thousands of Garden Pests Before They Ever HatchStop fruit tree pests before they wake! Find out the benefits of using this one spray in January to zap pests before they hatch, guaranteeing healthier trees and better fruit
By Teo Spengler
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The Best Ways to Propagate Tulip Trees for Fast Growth and True ColorShould you propagate tulip trees by cuttings or seed? Here's a step-by-step guide for both.
By Teo Spengler
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4 Best Types of Fir Trees to Fill Your Winter Garden With Gorgeous Green FoliageDiscover your new favorite evergreen tree! Here are 4 gorgeous types of fir trees every gardener should know, if they want year-round beauty.
By Teo Spengler
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Move over Amaryllis! 5 Unique Bulbs to Force Indoors for January ColorDon't wait for the thaw! Learn how to force daffodils, tulips, and more to bloom indoors for a lovely burst of spring beauty right in the middle of winter.
By Teo Spengler
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It’s So Important to Prune These 12 Plants in January – Do It Before Winter’s End to Ensure a Healthy Summer GardenDiscover which plants to prune in the dead of winter to help your garden shape up for a glorious spring and summer.
By Teo Spengler
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I Thought My Bird Feeder Was Enough – But These 3 Winter Game-Changers are Bringing More Birds to My BackyardReady to up your bird-feeding game? Find out why these 3 simple yet effective strategies could be real game-changers for you when feeding birds in winter
By Teo Spengler
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4 Small Ornamental Trees You Can Grow Indoors to Turn Your Home Into a Mini ForestTurn your home into a mini forest this year with these gorgeous ornamental trees you can grow indoors.
By Teo Spengler
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Kill Fungus Gnats in Your Seedling Soil with My Secret 3-Ingredient Recipe That Works InstantlyDon't let fungus gnats ruin your seedlings! Learn the secret 3-ingredient gnat killer you already have in your cabinet.
By Teo Spengler

