
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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Salting a Neighbor's Sidewalk or Driveway Seems Helpful – But It Might Get You In Trouble
Should you salt a neighbor's driveway or sidewalk? A little neighborly help might actually do damage. Learn how to navigate this frosty conundrum.
By Teo Spengler
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Zone 7 Planting Schedule – What to Plant Each Month
Follow 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 Classic
Is 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 Plot
Vegetable 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 Effort
Now 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 Fruiting
Relocating 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 Seedlings
A 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 Growing
Somewhat 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 Yard
They'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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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-Up
Make 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 Guide
Fiddle 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 Color
They 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 Organically
It'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 Again
You 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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Gardeners Are Using Google Sheets to Plan Their Gardens – Here’s How to Get the Most Out of It
Use a little tech to get the best garden yet. Here's how to do it!
By Teo Spengler
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Grapevine Care Made Easy: Complete Guide to Growing Grapes in Your Home Garden
Growing 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 Hatch
Stop 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

