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Lawn Care

Make your lawn look it’s best with our selection of:

  • Lawn fertilizers
  • Soil Conditioners
  • Grass seed
  • Fungicides
  • Insecticides
  • Miticides
  • Herbicides
  • Lawn pest control. (rabbit, vole, deer, mice, rats, ants, roaches, spiders, dogs, cats, squirrels etc).


Landscaping & Gardening Tools

We also carry landscaping and gardening tools both long and short handled as well as:

  • Spades
  • Cultivators
  • Hoes
  • Shovels
  • Rakes
  • Weeders
  • Aerators
  • Loopers
  • Pruners
  • Pole pruners
  • Hand saws
  • Hose, hose reels, hose watering timers and hose end nozzles
  • Above ground sprinklers
  • Tree care and protection
  • Landscape fabric and pins
  • Fencing Materials – Wire fencing, chicken and rabbit wire and hardware cloth.
  • Work gloves and outdoor thermometers.

Also have soil amendments like lime, gypsum, humic, etc.  plus plant and tree fertilizers.

Green Maker Fertilizer by ferti-lome at the Big Tool Box


A premium lawn food specially formulated for alkaline soils.

Warm-season grasses: Apply one bag per 7,200 sq. ft.
Cool-season grasses: Apply one bag per 10,800 sq. ft.

Consult bag for proper spreader settings.

• 10% Sulfur helps correct excessive alkalinity while 5% Iron makes lawns green.

• Apply every 4 to 6 weeks during the growing season

Plantskydd repels by emitting an odor browsing animals associate with predator activity – stimulating a fear-based response. Animals avoid plants before they bite – not after!

* Safe for use on vegetable gardens and fruit trees – especially important to today ’s environmentally conscious customers!
* Safe for people, pets and plants.
* Plantskydd is the #1 choice of professional growers, foresters and landscapers because it is rain resistant and this results in outstanding efficacy and durability in repelling: deer, elk, rabbits, and voles.
* Over winter applications and bulb protection provides customers with year-round protection.
* Fertilizing Effect – Plantskydd’s active ingredient has long been recognized as an organic fertilizer (12N). All plants tested that were treated with Plantskydd were larger, had more flowers and greener leaves.
* OMRI listed ORGANIC – safe for use on vegetable gardens and other food crops. Safe for people, pets, and plants.
* No need to rotate with other repellents.
* Manufactured in the USA.

* 100% satisfaction money back guarantee.

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 Landscape Design Services? We have a staff member who offers this.  Just simply call to make an appointment!  Call us for more details.

Here is just a simple list of things the Garden Center offers:

Check out the “What’s Going On!” Tab for even more information & savings!


Pro Rich Organic Based Fertilizer….Safe for pets and Kids!  

Pro-Rich Professional Formula Turf Food is unique in its offering with its organic base. 

Pro-Rich Professional Formula Turf Food contains chelated* iron which is most readily available to plants.

Improved soil structure
Increases root growth
Long lasting green
Aids in reducing thatch
improves disease resistance
Helps reduce weeds in your lawn
Assists in balancing pH
Reduces watering requirements

*Chelated iron is the iron form which is most readily available to plants for absorption, resulting in the best performance.


The secret behind greener lawns…Nutritional organic-based soil treatment designed to save water. Revive is an organic-based soil treatment made from a combination of soil wetting agents, natural organic lignosulfonates and iron. Revive allows water to penetrate deeper into hard-to-wet soils, even through thatch and mat. Revive helps save water and solves problems associated with hard, dry, compact soils and the additional iron helps thicken and turn your lawn dark green.


Jirdon Tuff Turf Grass Sead

 TUFF TURF GRASS MIXTURE is rapidly becoming the first choice for lower maintenance turf in the Rocky Mountain Area. 

It requires less management, less mowing, and less water, producing a dark green, fine textured turf.  The Big Tool Box is your Jirdon Tuff Turf Seed Headquarters.


Outdoor Cooking & Living

Great selection of grills, covers, racks, sauces, outdoor furniture, pots and décor for your outdoor spaces in our indoor garden center.

Lawn & Garden

When it comes to keeping your lawn and garden in tip-top shape, we are a one-stop shop. From to plants, fertilizers to weed killers and the tools and equipment to make it all happen. We can even help you plan and install.

Heating & Cooling

Too hot in the summer and cold in the winter? We cover all your cooling and heating needs with fans and portable heaters and the parts and filters to keep your systems running efficiently.

Tools & Outdoor Power Equipment

At Big Tool Box, we carry hundreds of Ace’s hand and power tools to make your projects easier. Plus, all the other top name brands you’re looking for like Stihl, Honda, Milwaukee, Dewalt, Craftsman and Dremel.  We are also an authorized Festool dealer….fearturing the very best power tools and sanders made on the planet.

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.


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.


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.


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.


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.


We carry an assortment of bulbs and outdoor lighting fixtures, solar lights and string/market lights.   We also have as low voltage landscape lighting.


Keep your car running smoothly with our great selection of automotive supplies.


Centennial: 8080 S Holly St., Centennial, CO  80122

Parker: 19850 Cockriel Dr. Parker, CO 80134



(303) 779-8822


Centennial Store

Monday-Friday 8am-7pm ....Rental, Repair & Sprinkler Shops close at 6pm  
Saturday 8am - 6pm  
Sunday 9am - 6pm  


Parker Store

Monday-Friday 8am-7pm  
Saturday 8am - 6pm  
Sunday 9am - 6pm  

[email protected]

Lawn & Sprinkler Center   (303) 779-8864
Highlands Garden Center   (303) 220-5856
Repair Center     (303) 220-5846

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