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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 40 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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When it comes to your lawn, keeping things healthy and sustainable is so important! So I met up with Todd from Buffalo Seed Company (sold at my favorite- O’Toole’s!) in his yard to go over three things: First, the importance of aerating your existing lawn. I’ll be the first to admit that I didn’t understand the need, but Todd explained...Read More
April 25, 2022
When it comes to your lawn, keeping things healthy and sustainable is so important! So I met up with Todd from Buffalo Seed Company (sold at my favorite- O’Toole’s!) in his yard to go over three things: First, the importance of aerating your existing lawn. I’ll be the first to admit that I didn’t understand the need, but Todd explained ...

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.

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15% Off All Outdoor Plants

Valid through July 31

It's mid-summer and all our outdoor plants are on sale now at 15% off! Offer excludes houseplants.

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Gift Cards

Consider a gift card for birthdays, Mother's Day, or the Holidays. Shop together, plant together and watch together as your gift grows and blossoms into the future!

Tomatomania 2025 Photo Contest

Think you’ve got the ultimate tomato garden? Show us what you’re growing for a chance to win up to $300!

Ask a Gardener – Japanese Beetle

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.

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 …

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