
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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6 Cheap and Clever Ways to Fill Containers – Plants Will Look Better Than Ever & You’ll Save Money on Potting SoilSave your money and your potting soil. These clever ways to fill your containers will keep your plants and your wallet happy.
By Teo Spengler
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I Tried the 3 Most Popular DIY Weed Killers – Here’s What Actually Worked And How Best to Use ThemKeeping weeds at bay without the use of harsh chemicals is good for you and the environment. But not every natural weed control method is made equal.
By Teo Spengler
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What to Do With Fruit Trees in April – 6 Essential Tasks for Your Biggest, Tastiest Harvest YetFrom nutrient boosts to pest patrol, discover what to do with fruit trees in April. Follow these 6 expert steps to ensure a healthy, productive summer harvest.
By Teo Spengler
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Do This In April for Dazzling Clematis Flowers... Unless You Have This One Specific VarietyApril is the time to wake clematis vines up and get them growing. But how you do that depends on which type you have.
By Teo Spengler
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Hummingbirds Need More Than Nectar this April – This Easy High-Protein Buffet Brings Loads More Nesting Hummers to Your YardForget the nectar – your hummingbirds are craving a meat course this month. Here’s the protein-rich refueling treat to keep them happy and humming in your backyard
By Teo Spengler
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HOA Making Gardening Difficult? A Lawyer Explains How Not to Make a Costly Mistake or Risk Removing Your Hard WorkAvoid HOA fines before you embark on landscaping projects. Even something as simple as a trellis could spell disaster.
By Teo Spengler
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Do This to Roses in April for Your Biggest Blooms Yet: This Spring Wake-Up Will Kick Them into GearApril is when most roses leave their winter dormancy phase, so it's the perfect time to give them some extra attention. Here's exactly what you should be doing.
By Teo Spengler
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Strawberry Sundae Hydrangea Brings Sweet, Color-Changing Blooms – Here’s How to Grow ItLearn how to care for a beautiful Strawberry Sundae hydrangea – the compact shrub that changes color throughout the season.
By Teo Spengler
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What to Do with Japanese Maples in April – Prep Your Tree for a Spectacular SeasonApril is when Japanese maples are just waking up from their winter dormancy. Now's the time to pounce to ensure a successful year.
By Teo Spengler
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Watch Out for These Common Potato Diseases & Pests, If You Want a Healthy Harvest of SpudsDon't let potato diseases and pest ruin your crop of taters! Learn how to identify and combat the most common problems growing potatoes.
By Teo Spengler
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6 Charming Coral Bells Varieties That Will Brighten Up Even the Shadiest GardenAdd whimsy and color to even the shadiest corners of your garden with one of these charming coral bells varieties.
By Teo Spengler
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The Best Zone 9 Plants: Heat-Loving Picks That Will Truly Thrive in Your GardenHere are the best Zone 9 plants for your garden whether you need trees, perennials, shrubs, or more.
By Teo Spengler
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10 Dazzling White Flowering Trees to Add Easy Elegance, Classic Harmony and Calming EnergyReady to elevate your curb appeal? Sophisticated, calming, and effortlessly chic, these 10 trees with white flowers can redefine your yard’s energy with epic snowy canopies
By Teo Spengler
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The First Butterflies of Spring are Starving – And You Can Make An Easy Butterfly Bistro With This Trashy TreatYou’re still waiting for the blooms, but the first butterflies of the season are already hungry. Don’t worry, you can make a butterfly bistro with this simple sugary snack
By Teo Spengler
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There’s Still Time to Prune These 8 Plants in April for Stronger Growth and Better BloomsPruning plants in April prepares them for the big summer show. Flowering shrubs, perennials, and even grapevines will get a boost when pruned in spring.
By Teo Spengler
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Zone 8 Planting Schedule – What to Plant Each Month for the Garden of Your DreamsPlanting a Zone 8 garden means lots of time for growing and harvests! Learn what to plant each month in Zone 8.
By Teo Spengler
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Shrubs for Shade: Zone 5 Options That Are Beautiful for Any Garden or LandscapeChoose the right shrubs for shade gardens in USDA Zone 5. Cool temperatures and shady conditions aren't right for many shrubs, but these picks will thrive.
By Teo Spengler
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Zone 8 Plants – The Best Zone 8 Perennials, Shrubs, Trees, Annuals, and Edible PlantsHere are the best Zone 8 plants for your garden whether you need trees, perennials, or edible garden additions.
By Mary Ellen Ellis

