Events

Littleton’s Car Show & Cookout

August 16, 2022

Calling all car lovers: this event is for you! Join us at O’Toole’s Garden Centers Littleton for a Car Show Tuesday, August 16, from 3-7pm! We will feature a variety of vintage class and unique cars, special offers, door prizes and giveaways. Don’t miss the fun – It’s all complimentary!

Extravaganza 2022

May 28, 2022

2 days, 3 stores, food trucks, live music, snacks, games, activities, prize giveaways and huge savings!

Garage Sale

July 16, 2021

Up to 75% off select items Fri-Sun July 16-18. Treasure hunt for plants, dcor, pots, pavers and more! Items vary by store!

40th Anniversary Extravaganza

May 18, 2019

We threw a huge party to celebrate our 40th Anniversary. 2 days, 3 stores, food trucks, bounce houses, live music, beer gardens, free snacks, games, activities, prize giveaways and 40% off savings!

Tomato Festival and Trials 2016

September 15, 2016

This was our fifth year celebrating everyone’s favorite vegetable (that is actually a fruit) at our Littleton store’s annual Tomato Festival. And this year was one of our best festivals ever!

Deals

40% Off All Trees & Shrubs

While Supplies Last

Fall is a great time to plant trees and shrubs, and we're putting all of our 2023 inventory on sale! Hurry in for the best selection and save big!

40% Off All Roses

While Supplies Last

If you've been thinking of adding roses to your garden, don't miss this opportunity to save big! All Roses are 40% off while supplies last!

40% Off All Monrovia Plants

While Supplies Last

Monrovia has been growing quality plants for nearly 100 years. Custom soil mixes ensure healthy roots and pruning/shaping helps them thrive. Save on all Monrovia plants this month!

30% Off All Pennington Grass Seed

Expires September 30, 2023

Pennington provides premium grass varieties for beautiful lawns, along with easy to use patch and repair mixes. Save on Pennington Grass Seed and help your lawn reach its full potential.

Staff

Chris Ibsen

Store Manager – Littleton

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

Blog

O'Toole's Staff
Apple Valley Greenhouse

Many of our annuals come from Apple Valley Greenhouse in Penrose Colorado. Apple Valley sources beautiful annuals from around the world and plants them in Colorado so they can deal with our unique climate. Video Tour!

2023 Garden Giveaway

Share the beauty of your garden and you could win a gift card valued up to $500!

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 …

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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