
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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How To Grow A Pineapple Top From Store-Bought Fruit – Unlock Tropical Vibes and Grow a Tasty TreatLearn how to grow a pineapple top from a store-bought fruit. You can grow a pineapple plant in your very own home—no tropical travel required!
By Teo Spengler
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3 Seed Stratification Methods Gardeners Swear By – Plus 3 Weird Ones You Might Not Have Heard OfNew to seed stratifying? Here are the best ways to get your seeds ready to sprout this spring!
By Teo Spengler
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Russian Sage: How to Prune to Encourage Bold and Fragrant Blooms Year After YearLearning how to prune Russian sage isn't hard. Just a bit of timing makes all the difference.
By Teo Spengler
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How To Identify & Eliminate Lawn Fungus For Good – Follow These Tips For Fungus-Free GrassThere's nothing worse than watching your lawn fall victim to grass fungus. But you can eliminate it for good once you know what kind it is. Here's how to tell.
By Teo Spengler
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Pothos Plant Care Made Easy: The Ultimate Growing Guide for Both Beginners & ProsPothos plants are great for beginners and collectors alike. Learn everything you need to know about growing your own.
By Heather Rhoades
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7 Easiest Flowers to Grow for Beginner Gardeners – It's Almost Impossible to Go WrongThese foolproof flowers are some of the simplest to grow – even for first-time gardeners! Plant them now for a gorgeous garden with minimal effort.
By Teo Spengler
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Freezing This One Type of Flower Seed in Ice Is the Key to Faster Germination and Earlier BloomsFreezing these flower seeds in ice cubes may be the secret to faster blooms in spring. Find out which seeds to stick in your freezer now.
By Teo Spengler
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Bad Pruning Cuts Can Kill Actually Your Plants – Avoid These 3 Major Pruning Mistakes to Prevent ProblemsImproper pruning can seriously harm plants. Be sure to avoid these three big pruning mistakes to grow healthy, strong plants.
By Teo Spengler
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6 Unlikely Places to Find Manure for Free – Give Your Garden a Boost With a Dose of DooGive plants a big boost with a dose of animal doo! Here's where to get free manure to improve your soil without breaking the bank.
By Teo Spengler
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California Growing Zones - USDA Zone Map For CaliforniaKnowing your planting zone in California will help you have better success in the garden.
By Teo Spengler
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These 5 Classic Spring Flowers Are Icons for a Reason – Plant Them Now for a Cheery Garden All Season LongThese classic spring flowers add instant brightness and beauty to the garden! Plant them now for a stunning display that lasts all season.
By Teo Spengler
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Zone 9 Planting Schedule – What to Start Each Month for the Best Vegetable Garden SuccessFollow along each month to see what seeds to start indoors and what to sow directly in the garden. This is your ultimate Zone 9 planting guide.
By Teo Spengler
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There's a Right (and Wrong) Time to Repot Houseplants – Here’s How to Know When to Do ItDon't repot your houseplants at the wrong time! It could have major negative consequences. Here's the best time to repot houseplants and the times to avoid.
By Teo Spengler
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Don’t Prune These 7 Plants in Early Spring or You’ll Lose This Year’s Flowers – Check the Right Timing for Your ZoneMany spring bloomers set buds the year before. Cut too soon and you’ll sacrifice the show – here’s how to get the timing right.
By Teo Spengler
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Is Birdseed Bad for Dogs? The 4 Surprising Bird Feed Ingredients That Can Be Harmful to PetsIf you're a bird lover with a curious pooch, you might not realize your bird food could be hiding problems. Is birdseed bad for dogs? Here's why your bird food could be hiding a toxic secret
By Teo Spengler
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Herbs That Grow in Water – 7 Fuss-Free Kitchen Staples You Can Cultivate in a GlassNot only can you grow these herbs easily from cuttings, you can grow them in a glass. Discover 7 great herbs that grow in water for an easy, soil-free kitchen garden. Just add sunlight!
By Teo Spengler
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Where to Find Free Compost: 4 Unlikely Places to Get Black Gold for Your Garden This SpringGive your garden an instant boost with a batch of black gold! Here are 4 places to get free compost this spring that will help your plants thrive all season.
By Teo Spengler
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How to Amend Clay Soil for Healthier Gardens and Happier Plants: Your Garden Will Thank YouClay soil can be hard to garden in, but you don't have to settle! Amending clay soil with organic matter can make drastic improvements. Learn how!
By Teo Spengler

