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Herbs

A herb garden is healthy, economic and a whole lot of fun! Here at O'Toole's, we've found that a lot of people would love to grow their own herbs but they just don't know where to begin. So we've compiled some simple tips and tricks to help you grow some of the most popular herbs. From when to plant and when to harvest to care and feeding, these simple tips will have you growing tasty herbs in no time!

Events

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”.

Deals

$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.

Blog

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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