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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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After 30 years of business, we have made the difficult decision to close our Littleton location at the end of August. Due to real estate expansions near the property, we lack adequate parking to safely and effectively run our store, which led us to the ultimate decision to close our doors in the fall. We want to extend our warmest...Read More
August 26, 2022
After 30 years of business, we have made the difficult decision to close our Littleton location at the end of August. Due to real estate expansions near the property, we lack adequate parking to safely and effectively run our store, which led us to the ultimate decision to close our doors in the fall. We want to extend our warmest ...

Featured Plant & Product

Chrysanthemum

Mums like the cooler weather of fall. They bud when nights start to get longer, and produce a multitude of blooms. These hardy perennials provide fall gardens with some much needed color just when summer flowers are fading.

WaterSaver Winterizer

This late fall lawn feeding is the most important of the year and is often overlooked. 100% organic, non-burning DPW based lawn food. It also contains mycorrhizae which is a beneficial microorganism that help roots absorb more water and nutrients from the soil.

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Mums Sale

While supplies last

All Chrysanthemums on sale now! 1 gallon mums $9.99. 2 gallon mums $19.99.

40% off Trees
40% Off All Trees & Shrubs

Expires October 2, 2022

Huge savings on 2022 inventory! In-store selection only.

Chris Ibsen

Store Manager – Littleton

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

An Inside look into one of our local growers, Botany Lane

At O’Toole’s Garden Centers, we are proud to work with Colorado growers like Botany Lane. Thom from Botany Lane to find out how that might work. In Tom’s words “Botany Lane is Botany lane is a local grower here in Colorado, and our brand is ‘Just Dig It’ which is produced in-house for the Colorado Market.” Just dig it is …

Indoor Plant Decor
Ways to use Indoor Plants in your Home Decor

Our home came with a nice, large and bright sunroom (it was built in the early 1970’s so that is pretty typical).

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