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Putting the Color in Colorado!

2 Garden Centers In The Denver-Metro Area

O'Toole's Garden Center's mission is to cultivate beautiful gardens, happy employees and thriving communities. Visit O'Toole's for the plants, the products, and the expert advice you need to grow the garden of your dreams. O'Toole's is proud to be a local, family owned business with over 45 years of heritage. We offer high quality garden products at affordable prices, so everyone can enjoy spending time together outside with friends and family. Let's grow together!


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Earlier this month, we were so happy to have Giovanna Romero from Welby Gardens at all three of our open houses to share with us some of the most exciting new annuals from their brand Hardy Boy Plants. Started with a horse-drawn plow in 1948, Welby’s Gardens has grown into one of the best producers of annuals, perennials, herbs and...Read More
Earlier this month, we were so happy to have Giovanna Romero from Welby Gardens at all three of our open houses to share with us some of the most exciting new annuals from their brand Hardy Boy Plants. Started with a horse-drawn plow in 1948, Welby’s Gardens has grown into one of the best producers of annuals, perennials, herbs and...
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Featured Plant & Product

Petunia

Petunias are the heart and soul of any annual garden. They are grown in every color under the sun, from reds and pinks, blues and purples, whites and even black! They can have spreading, mounding or trailing growth habits, which makes them suitable for just about any garden application. For sheer color, petunias are essential.

Colorado's Choice Magic

Colorado’s Choice Magic is a bloom booster unlike any other on the market today.  It is a concentrated water soluble plant food that is immediately available to plants.

April 23, 2018
Earlier this month, we were so happy to have Giovanna Romero from Welby Gardens at all three of our open houses to share with us some of the most exciting new annuals from their brand Hardy Boy Plants. Started with a horse-drawn plow in 1948, Welby’s Gardens has grown into one of the best producers of annuals, perennials, herbs and ...

Featured Plant & Product

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Petunia

Petunias are the heart and soul of any annual garden. They are grown in every color under the sun, from reds and pinks, blues and purples, whites and even black! They can have spreading, mounding or trailing growth habits, which makes them suitable for just about any garden application. For sheer color, petunias are essential.

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Colorado's Choice Magic

Colorado’s Choice Magic is a bloom booster unlike any other on the market today.  It is a concentrated water soluble plant food that is immediately available to plants.

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25% Off All Trees & Shrubs

Valid June 29-30, 2024

Summer is a great time to plant trees and shrubs, and we're putting all of our 2024 inventory on sale! All Trees and Shrubs are 25% off!

Chris Ibsen

Store Manager – Littleton

Over 30 years with O’Toole’s! A true gardening  expert! Email Chris Favorite plant: Evergreen

Planting Summer Color Bulbs

Get ready to add some color to your garden this summer with bulbs from O’Toole’s Garden Centers! With a variety of gladiolas, dahlias, and lilies to choose from, you can create a beautiful display of color in your outdoor space. Planting summer bulbs is easy, just follow the instructions on the back of the packaging and plant the bulbs pointy …

Transform Your Lawn with Buffalo Brand Seed

Achieving a lush and eco-friendly lawn can be a challenge, but with the right knowledge and tools, it’s possible. That’s why we spoke with Todd Land from Buffalo Brand Seed Company to learn about how to plant grass seed in different scenarios for optimal results. First, Todd stressed the importance of aerating your existing lawn. This step may seem unnecessary, …

5 Common Beginner Gardening Mistakes to Avoid

Gardening can be a fulfilling and rewarding hobby, but it’s important to avoid common mistakes to achieve the best results. Whether you’re a beginner gardener or starting a plot in a new space, starting too big can lead to less than great yields. Starting small and adding on as you learn about pest control, soil composition, weeds, and light is …

All Blog Entries
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2020 Garden Giveaway Winners!

September 18, 2020
It was so inspiring to see all the creativity and gardening passion out there! Check out the winners of our 2020 Garden Giveaway! Read Full Blog Entry…
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Ask a Gardener – Japanese Beetle
June 11, 2020
Japanese Beetles damage plants as both adults and larvae. Adults feed on soft leaf tissue, leaving skeletonized foliage. Larvae feed on roots, especially turf grass, leaving dead, brown patches in the lawn. Cech out this blog entry for tips and products to address both the larvae and the adult bugs. Read more