
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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7 Perennials to Plant in May for Jaw-Dropping Color That Starts in Spring and Lasts All the Way Through SummerThese are my absolute must-plant perennials for May, if you want a colorful show that starts in spring and lasts all summer long.
By Teo Spengler
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5 Smart Landscaping Tips That Prevent Burglars From Breaking Into Your Home – and Beautify Your Yard at the Same TimeSmart landscaping design can stop unwanted intruders from breaking in. Follow these tips that protect your home and add beauty to your yard.
By Teo Spengler
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8 Vegetables You Can Plant in May for a Foolproof Summer Harvest – These Fast-Growing, High-Yield Crops Thrive in Warm WeatherMay is prime planting time for warm-season crops – these vegetables establish quickly in warm soil and reward you with steady harvests through summer.
By Teo Spengler
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Grow a Garden From Your Favorite Decade! This Easy Planting Guide Captures the Essence of Each Era From the Past CenturyCapture your favorite parts of the past with a garden inspired by your favorite decade from the last century. Here's how to do it.
By Teo Spengler
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Is It OK to Take Plant Cuttings From Public Parks and Gardens? A Lawyer Explains so You Won’t End Up in TroubleDon't let your propagation fixation get you into legal trouble! There are certain places it is illegal to take plant cuttings. Our resident lawyer explains.
By Teo Spengler
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How to Propagate Jade Plant Cuttings – Increase Your Good Fortune and Grow More of These Lucky Houseplants for FreeJade plants represent good luck. So why not increase your good fortune and plant collection for free? Here's how to propagate jade plant cuttings.
By Teo Spengler
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Barkitecture Is the Smart Way to Design Pet-Friendly Gardens – Your Dog Will Be So Happy He'll Forget All about Digging Up Your FlowersBarkitecture is the latest in pet-friendly gardening. Work with your dog's instincts, not against them, and design a space you'll both love.
By Teo Spengler
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5 Houseplants That Actually Grow Better in Water Than Soil – Less Mess and Thriving Plants Await You When You Make the SwitchThese five houseplants will be happy growing in water; no complicated hydroponics systems needed! Learn how to help your houseplants thrive in water.
By Teo Spengler
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How to Get Rid of Aphids Naturally: Most Effective Eco-Friendly Ways to Banish Unwanted PestsAre your plants suddenly covered in tons of tiny pests? It may be time to learn how to get rid of aphids. Here are the best natural methods to try.
By Heather Rhoades
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6 Weird Slug Hacks Gardeners Swear By – and Which Ones Actually WorkSlugs ruining your garden? Try these weird, but genius ways to banish them and save your crops!
By Teo Spengler
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Sow These 7 Lovely Heritage Flowers for an Easy Yard Refresh – You Only Have to Plant These Self-Seeders Once to Fill Your Beds with Color Year After YearIf you’re looking for easy color but you also appreciate the finer things in life, these heritage flowers are a timeless treasure that will save you loads of future planting time
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

