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Let's Grow Together!

O'Toole's Garden Centers has been keeping Colorado green for over 40 years.  It is our mission to provide the best gardening products at the lowest prices with quality service from our knowledgeable and friendly staff.

Local. COlorful. Knowledgeable.

O'Toole's takes pride in being able to describe ourselves in those three words. For over 40 years, we have been in your backyard, both literally and figuratively. Being able to bring color into your home, whether you have been gardening for 1 season or 20, it is our goal to make your yard the envy of the neighborhood. 

As a locally operated, family owned business, we understand the ever-changing Colorado climate. O'Toole's knows what plants you want in stock, when you want them, and what you need in order to make your gardening season a success. 

Except for Easter, Thanksgiving Day, and Christmas Day through New Years Day, all O'Toole's locations are open year round with all of the plants and gardening supplies you need.

Employment

Spring is calling, and so are we! O’Toole’s Garden Center, a Denver favorite for over 45 years, is looking for passionate plant enthusiasts to join our team for the upcoming season.

Email Club

Get updates on O'Toole's events and sales, plus gardening tips, info, coupons and much more! Join our e-mail club today!

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!

Community

As a local business, O'Toole's Garden Center has always been dedicating to making an impact in our community.

Events

We host events throughout the year for our valued customers. From pancake breakfasts to gardening classes, Santa photo ops to family festivals - shopping at O'Toole's is a unique experience!

Guarantees

To say “Thank You” for over 40 years of business, we guarantee that we will match any posted price on perennials, trees or shrubs from any other Colorado garden center.

Contact Us

Please reach out with questions or suggestions! We are always looking for ways to improve our service and product selection.

Tomatomania 2025

Join us for the world’s largest (and most fun) tomato plant sale!  It’s what the New York Times called, “the tomato freaks’ Woodstock”.

$10 Off Sunkit Mini Greenhouse

Expires April 30, 2025

Help seedlings root raster and more vigorously with gentle warmth and the perfect humidity. Food-grade BPA-free plastic, 72-cell insert, adjustable dome, humidity vents, and heat mat.

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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!

Employment

Spring is calling, and so are we! O’Toole’s Garden Center, a Denver favorite for over 45 years, is looking for passionate plant enthusiasts to join our team for the upcoming season.

Cultivating Well-being with Houseplants

How do you escape the stress of today’s news and the artificial lights of your computer screen and smart phone?

Our customers say that gardening is part of their “me time”, and that it helps them feel hopeful and positive, the same can be said about caring for houseplants.

2023 Garden Giveaway Winners

Thank you to everyone who participated in the 2023 Garden Giveaway contest! It’s so fun to see how your gardens take shape after meeting you while shopping in our stores.   First Place @js_customs8   View this post on Instagram   A post shared by John (@js_customs8) “I’ve been working on my garden and landscape for 25 years,” says JS, …

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