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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!

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. Excludes Lowe’s, Home Depot, Wal-Mart, and Costco Price match available on Perennials, Trees and Shrubs Price match available on regularly priced items only Must present a picture, printed ad or ...

Contact Us

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

25% Off All 4-Packs of Annuals

Valid May 18-19, 2024

For one weekend only, we're offering this 25% off deal. Save the dates and save big!

$3 Off True Organic Preplant Starter

Valid May 1-31, 2024

For this month only, we're offering this $3 off deal. Save the dates and save big!

Chris Ibsen

Store Manager – Littleton

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

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, …

How to Protect Your Plants from Late Freeze and Snow

Did you know that after May 2, there’s a still 50% chance of frost in Denver? Don’t let that stop you from getting your garden started now! O’Toole’s offers frost blankets and other products to help protect your plans from hard freezes. If you’re a vegetable gardener, we recommend this Insulated Plant Protector/Mini Greenhouse from Dalen. Tubes of water to insulate young …

Planting Winter Crops: A Guide to Growing Shallots, Onions, and Garlic

As the weather turns colder, many gardeners are ready to pack up their tools and wait until spring to start planting again. But why wait when you can start growing delicious winter crops? At O’Tools, you can find a variety of bulbs and plants perfect for winter gardening, including shallots, onions, and garlic. When planting shallots, it’s important to remember …

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