SpeedZone vs Tenacity are two popular herbicides that are often compared by homeowners and professionals alike.
Overview of SpeedZone and Tenacity
Before diving into the comparison, let’s first get a brief overview of SpeedZone and Tenacity.
SpeedZone
SpeedZone is a selective, post-emergent herbicide that targets broadleaf weeds in turfgrass. It is known for its fast-acting formula, often showing results within hours of application.
Tenacity
Tenacity, on the other hand, is a systemic pre- and post-emergent herbicide that targets a wide range of weeds, including both broadleaf and grassy weeds.
It is praised for its ability to control weeds without damaging desirable turfgrass species.
Comparing the Active Ingredients
| Herbicide | Active Ingredients |
| SpeedZone | 2,4-D, mecoprop-p, dicamba, and carfentrazone-ethyl |
| Tenacity | Mesotrione |
As seen in the table above, SpeedZone contains a combination of four active ingredients, while Tenacity contains a single active ingredient, mesotrione.
Effectiveness Against Weeds
SpeedZone
SpeedZone is effective against a wide range of broadleaf weeds, including dandelion, clover, and chickweed.
Tenacity
Tenacity is known for its ability to control both broadleaf and grassy weeds, such as crabgrass, foxtail, and nutsedge.
Application and Usage
SpeedZone
- Apply using a sprayer, ensuring even coverage.
- Best results are achieved when applied to actively growing weeds.
- Avoid mowing for 1-2 days before and after application.
Tenacity
- Can be applied as a pre-emergent or post-emergent herbicide.
- Apply using a sprayer, ensuring even coverage.
- For pre-emergent control, apply prior to weed germination.
- For post-emergent control, apply to actively growing weeds.
Safety and Environmental Concerns
SpeedZone
- Wear protective clothing and equipment during application.
- Keep out of reach of children and pets.
- Do not apply near water sources or where runoff may occur.
Tenacity
- Wear protective clothing and equipment during application.
- Keep out of reach of children and pets.
- Do not apply near water sources or where runoff may occur.
Cost and Availability
| Herbicide | Average Cost | Availability |
| SpeedZone | $50 – $70 per gallon | Online and in-store |
| Tenacity | $60 – $80 per 8 oz. bottle | Online and in-store |
Real-Life Examples and Stories
SpeedZone Success Story
John, a homeowner in Texas, struggled with a persistent dandelion problem in his front yard. After trying multiple herbicides with no success, he turned to SpeedZone.
Within hours of application, he noticed the dandelions beginning to wilt, and within a week, they were completely gone.
Tenacity Triumph
Samantha, a professional landscaper in California, was tasked with rehabilitating a neglected lawn overrun with crabgrass and clover.
She chose Tenacity for its ability to target both broadleaf and grassy weeds without harming the desirable turfgrass. After a few applications, the lawn was transformed into a lush, weed-free oasis.
Conclusion
Both SpeedZone and Tenacity are effective herbicides with their own strengths and weaknesses. SpeedZone is a fast-acting, broadleaf weed killer,
while Tenacity offers control of both broadleaf and grassy weeds without damaging turfgrass.
The choice between SpeedZone and Tenacity will depend on the specific weed problem and desired outcome.
