

SAVE 20% OFF ALL TRUE ORGANIC PRODUCTS THROUGH APRIL 30 WITH COUPON BELOW or USING THE COUPON CODE TRUE20 AT CHECKOUT!
WANT THE BEST LOOKING LAWN AND GARDEN ORGANICALLY?
Discover the full line of TRUE ORGANIC organic fertilizer at The Big Tool Box and Highlands Garden Center. Dry, liquid, or custom blend, TRUE ORGANIC fertilizers are designed to work long after it’s applied to help plants thrive. For better and brighter colored plants, for a more beautiful lawn, for tastier fruits and vegetables, and faster growth, you can’t find a better fertilizer. Horticulturists & Master Gardeners are on staff to answer all of your planting & gardening questions. Every plant requires a different amount of attention, let us help you find the perfect flower for the perfect spot.
Did you know that Highlands Garden Center offers Planting Services? We have a staff member who offers this. Just simply call to make an appointment! Call us for more details.
Stop by The Big Tool Box and Highlands Garden Center today in either Parker or Centennial to speak with our team of yard care experts!


The Worldwide Leader
in Organic Fertilizer
TRUE ORGANIC specializes in one thing: organic fertilizer. Dry, liquid, or custom blend, our fertilizers are designed to work long after it’s applied to help plants thrive. For better and brighter colored plants, a more beautiful lawn, for tastier fruits and vegetables, and for faster growth, you can’t find a better fertilizer.
The Big Tool Box is proud to feature the entire line of True Organic, organic fertilizer products! Stop by either our Parker or Centennial location to discuss with our experts which True Organic product would fit your needs best.
DEPARTMENTS
Commercial Equipment Sales
Denver contractors know us for our quality brands, expert customer service and knowledgeable staff. Come in to let us help you with your equipment needs.
Screws, Nails and Fasteners
Need to put something together and make it last? Come on in and ask our experts what type of screws, nails, nuts, bolts or fasteners will help you get the job done right.
Home Goods
It’s the indoor and outdoor touches that make a home shine. From household cleaners and equipment to decorative clocks, gauges and accents, we are sure to have something for just about every nook and cranny.
Storage & Organization
Looking to get organized? We have a great selection of bins, bags, carriers, systems and hangers to get you started and finished in an orderly manner.
Hardware
Being an Ace Hardware store, it means we specialize in all of the little hardware items that are huge in making your projects a success. We have a full selection of Hillman fasteners, builders hardware, deck screws, tubing, hangars and much much more.
Paint
Find all the best paint and stain colors to inspire you from top brands like Clark+Kensington, Magnolia by Joanna Gaines, Cabot, Sikkens and more.
Plumbing
Looking for vinyl PVC or copper plumbing supplies? We have a wide variety of couplers, fittings, elbows and piping to get the water running. Serving contractors and homeowners for almost half a century.
Electrical
When it comes to lighting up a room, we carry the top brands you can count on by Gardner Bender, Lurton, Levitron and Monster and a full line of Sigma fittings and couplers. Looking for fuses, electrical cords,or shop and work lighting, we have it.
Centennial: 8080 S Holly St., Centennial, CO 80122
Parker: 19850 Cockriel Dr. Parker, CO 80134
(303) 779-8822
Centennial Store
Monday-Friday | 8am-7pm | |
Saturday | 8am - 6pm | |
Sunday | 9am - 6pm |
Parker Store
Monday-Friday | 7:30am-7pm | |
Saturday | 8am - 6pm | |
Sunday | 9am - 6pm |
customerservice@bigtoolbox.com
Lawn & Sprinkler Center (303) 779-8864
Highlands Garden Center (303) 220-5856
Repair Center (303) 220-5846
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