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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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30% Off All Quart Perennials

Valid through June 30

Shop today and save 30% on all Quart Perennials. Offer valid through June 30th. While supplies last.

30% Off All Perennial Grasses

Valid through June 30

Enjoy 30% off all Perennial Grasses through June 30th, while supplies last. Both O'Toole's locations are fully stocked with a wide variety of beautiful Perennial Grasses. Stop by today and explore our huge selection!


Plant Nerd Rewards Club
Plant Nerd Rewards Club

1. Join Free – Sign Up Today. No Cost Ever.
2. Earn Points – 1 Point per $1 Spent.
3. Redeem – 100 Points = $5 Off Next Purchase.

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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!

Attracting Butterflies and Hummingbirds to Your Colorado Garden

Learn how to attract butterflies and hummingbirds to your Colorado garden with native milkweed, the right feeders, and pollinator-friendly plants from O’Toole’s.

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