
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 passtime, 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. 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 Spring-Flowering Bulbs I Plant Every Fall for a Sensational Display That Lasts for Months
Trained horticulturist and master gardener Teo Spengler relies on these spring garden stalwarts to shine in beds, borders, and container displays.
By Teo Spengler
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Divide These 8 Perennials in September for More Plants in the Spring
Plants getting tired? September is the perfect time to divide and transplant perennials to give them a boost (and give you more plants).
By Teo Spengler
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7 Fall Lawn Care Tasks To Prioritize Before Winter – Plus When To Make The Last Cut
Put your yard to bed with these 7 fall lawn care tasks, including the final mow of the season.
By Mary Ellen Ellis
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Fertilize Grass In Fall For A Lush Lawn In Spring
For everything you need to know about fertilizing your lawn in the fall, click here.
By Teo Spengler
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7 Reblooming Azaleas to Grow for a Fall Garden Bursting With Beautiful Color
These reblooming azaleas will give you a second show of color in the fall. Plant one of these 7 beauties for a garden that shines all year long!
By Teo Spengler
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How to Start Your First Native Plant Garden: The 4 Must-Have Elements for Success
Starting a native flower garden doesn't have to be scary. Just make sure you have these 4 things and you'll be on your way!
By Teo Spengler
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Lawn Fertilizer Tips: When And How To Apply Lawn Fertilizer
A green carpet of lawn isn’t one plant – it’s a collection of some 850 grass plants per square foot, and each one requires nutrients to stay healthy.
By Teo Spengler
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Ultimate Guide To Lawn Aeration: How & When To Do It For A Healthier Lawn
Want to keep your lawn feeling healthy and looking great? Try aerating it. We'll go over the benefits and tell you how to do it.
By Teo Spengler
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All About Fall Bird Migration: Why Birds Fly South After Summer & Which Ones to Watch for This Fall
As the fall bird migration begins, let's explore why they are flying south and how you can help them on their journey by making your garden more bird-friendly.
By Teo Spengler
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Thinking of Adding a Fire Pit to Your Yard? What You Need to Know First for a Safe & Beautiful Fire Feature
Before buying that fire pit you've been eyeing, consider these 5 important factors first for a safe and beautiful backyard fire feature.
By Teo Spengler
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Love the Look of Roses, But Not the Hassle of Growing Them? Plant One of These 5 Flowers That Look Like Roses Instead
Great looks and simple care! Plant these unique and gorgeous flowers that look like roses, but are so much easier to maintain.
By Teo Spengler
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Avoid These 5 Invasive Ground Covers at All Costs! Plant a Stunning Native Variety Instead
If you grow one of these invasive ground covers, it's time to replace them with a native variety. Find out which plants you need to swap now.
By Teo Spengler
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Does Cat Hair Deter Rabbits? Your Kitty May Be the Key to a Better Garden
Rabbits can quickly ruin your flower or vegetable garden. Could cat hair be the trick to deterring the fluffy-tailed menaces?
By Teo Spengler
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Hummingbirds Adore These 7 Native Plants and so Will You – Grow These Low-Maintenance Flowers to Keep Hummers Happy
For hummingbird-friendly plants and flowers that are easy to establish and maintain, you need to go native. Here are the best native plants for hummingbirds
By Teo Spengler
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How Big Does a Hydrangea Get? 9 Lovely Large & Small Varieties That Will Fit Perfectly Into Any Landscape
Thinking of planting a new shrub, but wondering how big that hydrangea will get? Here's what you need to know, plus some of the best big and small varieties.
By Teo Spengler
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Go Gaga for Pawpaws at These 5 Pawpaw Festivals This Fall – Find Out When & Where You Can Feast on This Unique Native Fruit
Add these pawpaw festivals to your fall itinerary for a truly unique and delicious trip! Find out where and when you can try tasty pawpaw dishes and activities.
By Teo Spengler
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Late Summer is Tough on Birds – These 6 Vital Feeding Tips Will Help Them Make it Through Hard Times Ahead
Give garden birds a helping hand with these essential tips to ensure they can feed and drink in safety.
By Teo Spengler
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“I Filled My Yard With Free Succulents… Here’s How You Can, Too” – Professional Gardener Reveals Her Succulent Secret!
Succulents can be expensive, so why not grow some you haven’t had to pay for? We reveal one simple secret for creating a backyard filled with free succulents
By Teo Spengler