Popular Products
Colorado’s Choice Magic
Colorado’s Choice Magic is a bloom booster unlike any other on the market today. It is a concentrated water soluble plant food that is immediately available to plants.
Wilt Stop
Keep your natural Christmas tree looking green well beyond December 25. Wilt Stop’s protective coating forms a soft, clear, flexible film which holds moisture in the foliage and keeps your tree from drying out.
Fall Preparations
O’Toole’s has a the supplies you need for fall prep! Rose Collars can help protect delicate rose grafts from winter freezing. Tree wrap defends young trees from sunscald. Frost blankets can protect tender plants from early freezes.
Japanese Beetle Control
Natural, safe and effective. BeetleGone controls adult beetles. GrubGone controls larvae in the lawn. Certified for organic gardening. Non-toxic to kids, pets and pollinators
Houseplant Food
Espoma Organic Indoor Houseplant Food promotes growth and greening. The all-natural fertilizer contains beneficial microbes that ensure superior results. Mix with water and thoroughly drench the soil of the plant. Repeat every 2-4 weeks.
Wreaths
All natural wreaths are more than decoration. They are symbols of craftsmanship, community and tradition. The classic smell of evergreen will bring back memories of Christmases past, while you make new memories this year!
Heirloom Tomatoes
Unique tomato varieties from O’Toole‘s are the perfect way to add to your veggie garden! Have you ever heard of the Black Krim? What about the Belgian Giant? Impress your neighbors and your taste buds by growing some of these hard to find types of tomatoes in your very own backyard!
Insulated Plant Protector
Get planting early without worrying about a late spring freeze. Dalen’s Insulated Plant Protector uses tubes of water to insulate young plants from cold, wind and animal activity. Ideal for Tomatoes, Peppers, Cucumbers and other vining plants.
Burpee Seeds
Our friends at Burpee Seeds are helping you get a head start on gardening season. Choose from hundreds of varieties of flowers, perennials, vegetables, fruites, herbs and more! Start your seeds indoors this March so the seedlings will be ready to plant in early May after the last freeze.
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.
Events
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
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.
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
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!
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.
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.
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, …
