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How to Videos

We have created a series of helpful and informative "How To" videos to take all the guess work out of gardening and lawn care.

How to Protect Your Plants from Late Freeze and Snow

with Angela from @midmodernmama

PLANTING SPRING AND SUMMER BULBS

with Kait from @modhippiehbits

5 BEGINNER GARDENING MISTAKES

with Kait from @modhippiehbits

PLANTING BULBS

with Angela from @midmodernmama

HELPING A PROBLEM LAWN

with Kait from @modhippiehbits

PLANTING POTATOES

with Kait from @modhippiehbits

Seed Starting Tips 

with Angela from @midmodernmama

Seed Starting for Beginners

with Kait from @modhippiehbits

Lawn Care - Organic vs Inorganic

Lawn Care - Raking vs Aerating

All in the Dirt

Bugs

Fifth Room Gardening

Fruits and Berries

Herbs

Lawn Health

Ounce of Prevention

Plant By Number

Rose is a Rose

Square Foot Gardening

Lawn Mites

Fall Tips - House Plants

Fall Tips - Fall Lawn Care

Fall Tips - Planting Bulbs

Fall Tips - Winter Watering

Ferti-lome Root Stimulator

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”.

$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.

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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