
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 Native Spring Ephemerals to Add Easy Beauty While the Rest of Your Garden Is Still SleepingThese hardworking native spring ephemerals put on a show while most other plants are still sleeping underground. Add them to your garden for easy, early beauty.
By Teo Spengler
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This "Dark Chocolate" Mulch Could Be the Winter Secret to Fewer Weeds and Better Spring BordersImagine stepping into your yard and being greeted by the rich aroma of a chocolate shop? Find out why cocoa mulch is the nutrient-dense secret weapon you need to boost soil health before spring begins
By Teo Spengler
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6 Slow-Growing Flowers You Need to Start Early – Or They Won’t Bloom This Year (They’re Totally Worth the Wait)Some of the most breathtaking performers refuse to be rushed. From the rose-like lisianthus to the honey-scented heliotrope, give these 6 slow-growing flowers a head start now to ensure your garden is draped in summer color
By Teo Spengler
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Sticky Leaves on Houseplants? These 3 Tiny Pests Could Be the CauseDiagnose and destroy pests that are causing sticky leaves on houseplants. Then learn how to clean leaves the right way so they can keep growing strong.
By Teo Spengler
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Pruning Fig Trees – The Simple Healthy Cuts that Bring Years of Bountiful HarvestsThe secret to the perfect fig is in your shears. A few strategic cuts turn a tangled thicket into a high-yielding masterpiece. Here’s how to master pruning fig trees
By Teo Spengler
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How to Propagate Succulents and Cacti: Everything You Need to KnowLearn how to propagate succulents and cacti like a pro. This complete guide covers all methods of propagation for guaranteed success.
By Teo Spengler
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Does Your Peace Lily Have Brown Tips? Here Are the 2 Most Common Causes & How to Fix ThemIf your peace lily has brown tips, don't worry. There are two main reasons why this happens and both of them are easy to fix. Here's how.
By Teo Spengler
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Zone 6 Planting Schedule – What to Start Each MonthFollow along each month to see what seeds to start indoors and what to sow directly in the garden. This is your ultimate Zone 6 planting guide.
By Teo Spengler
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Complete Spider Plant Care Guide: Everything Beginners (and Pros) Need to Know for Thriving HouseplantsSpider plant care is pretty simple, but there's still a lot plant parents need to know to help these low-maintenance beauties thrive. Here's where to start.
By Teo Spengler
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Zone 7 Planting Schedule – What to Plant Each MonthFollow along each month to see what seeds to start indoors and what to sow directly in the garden. This is your ultimate Zone 7 planting guide.
By Teo Spengler
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Can a Bird Fit Through the Branches? This Tried and Trusted Fruit Tree Pruning Rule is Still a ClassicIs your fruit tree a tangled mess? The centuries-old "bird in a branch" rule is the only guide you need to prune key fruits like a pro this winter
By Teo Spengler
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Guide to Vegetable Garden Layout, Plans, and Spacing – Plan the Perfect Veggie PlotVegetable garden spacing is important for success. Learn about the rules of plotting out your vegetable garden and get ready for bountiful harvests.
By Teo Spengler
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6 Hardy Perennials to Plant in February – for a Dreamy Garden That Thrives With Less EffortNow is the perfect time to plant these cold hardy perennials! Find out which low-maintenance beauties to sow this month for a dreamy garden come summer.
By Teo Spengler
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How and When to Transplant Blueberries to Help Rejuvenate Shrubs and Encourage Better FruitingRelocating a blueberry bush involves more than a shovel – it requires the right timing and a bit of soil chemistry. Whether you're moving house or rearranging your yard, here’s how and when to transplant blueberries for years of sumptuous flavor
By Teo Spengler
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Which Type of Seed Starting Container Is Best for Your Plants? Expert Reveals How to Choose the Right One for Stronger SeedlingsA gardening expert talks the pros and cons of common seed starting containers and shares her top picks to to grow strong seedlings.
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

