Mountain laurel is a persistent thicket that sprouts in the eastern part of the United States. The herb blooms in spring and is characterized by tiny pink florets. However, alluring the herb appears; it is fatal if consumed by either sheep or goats; hence, eradicate it to avoid losses.
Here are the finest herbicides which can effectively suffocate mountain laurel. This post covers;
- Top five herbicides for Mountain laurel
- How long the herbicide lasts
- convenient date to spray herbicide
- How to clear Mountain laurel
- Growth season for mountain laurel.
The Top Five Herbicides for Mountain Laurel
| Parameter | RM43 Total Vegetation Control | Roundup Poison Ivy Plus Tough Brush Killer | Compare-N-Save Grass and Weed Killer | Southern Ag Crossbow | Dow AgroSciences Remedy Ultra |
| Coverage (sq ft) | 17,297 | 1,500 | 25,000 | 10,000 | 10,000 |
| Evident Effects (hours) | 24-48 | 24 | 48-96 | 48-96 | 24-96 |
| Active Element | 43% glyphosate | 18% glyphosate | 41% glyphosate | 34.4% 2,4 dichlorophenoxyacetic acid, butoxy ethyl ester | 60% 3,5,6 trichloro-2- pyridinyloxyacetic acid, butoxy ethyl ester |
| Application Rate (fl.oz/quart of water) | 7.4 | 6 | 4-6 | 4 | 1-4 |
| Month to Use | December | April | June | August | October |
RM43 Vegetation Control – Best Herbicide for Mountain Laurel
RM43 vegetation control herbicide is a combination of herbicides which effectively suffocates creepers and mountain laurels. It controls a maximum of 150 plant species, exhibits rainfast within 2 hours, and has a 12-month shelf life.
RM43 limits bush advancement on farms, uncultivated sections, and fence lines. Re-spraying should be done every 24-32 weeks in regions that experience regular rains. It is non-haphazard on livestock; however, it shouldn’t be administered on foodstuff and forage.
Pros
- An amalgam of herbicides
- Non-haphazard to livestock
- Kills over 150 plant species
Cons
- Not secure on foodstuff and forage
Roundup Poison Ivy Plus Tough Brush Killer – Best Herbicide for Killing Mountain Laurel to Use in April
Roundup Poison Ivy plus tough brush killer consists of triclopyr, which vigorously clarifies mountain laurel in just a day. It penetrates past leaves through to the anchorage; thus, guaranteed effective action. Impervious in half an hour.
Set for usage and effectively works in April during moderate sunny conditions above 600F. It can be re-sprayed after four months after the initial administration, but only if the weed’s dominance is persistent. It has a prolonged shelf life of 8 years in its concentrated form.
Pros
- Set for usage
- Wipes out the entire shrub plus its anchorage
- Longer lifespan, up to 8 years when undiluted
Cons
- Unfit for pasture
Compare-N-Save Grass and Weedkiller – Best Herbicide to Kill Mountain Laurel in June
Compare-N-Save grass and weedkiller comprise glyphosate elements that quickly act on mountain laurel and creepers within 48-96 hours. Achieves optimum performance when sprayed amid heated sunlight situations and no showers expected afterward.
A pack of 1-quart yields about 85 quarts of spray; hence can be sprayed over a 25,000 square feet radius. It kills up to 175 understory groups in 1-2 weeks. If sprayed on herbs bordering fruits, do not harvest before 21 days elapse.
Pros
- The effects are evident in 48-96 hours
- Incorporates glyphosate plus surfactant
- Clears 175 understory categories
Cons
- Requires stainless tank sprayer only
Southern Ag Crossbow – Best Herbicide for Mountain Laurel to Use in August
Southern Ag crossbow is a special mix of active elements with great potency on countering several understories. Has moderate acidity of pH 3.8. Counters the action of mountain laurel, shrubs, and creepers in equal measure.
This weedkiller demands thorough spraying to ensure the whole understory is wet. Results are evident within 48-96 hours after spraying and an immediate rainfast in 2 hours. Can be sprayed in nearly all areas except on pastures. Also, clears multiflora rose and extras.
Pros
- Prevails on creepers and shrubs
- Instant action, in just 48-96 hours
- Moderately sour
Cons
- Not secure for pasture
Dow Agrosciences Remedy Ultra – Best Herbicide for Killing Mountain Laurel to Use in October
Dow Agrosciences remedy ultra is a multi-function defoliant which is perfect for broad-leaved shrubs like mountain laurel and hackberry. Works best in warm and dry October weather and clears up to 35 weed species.
This herbicide is best for pasture regeneration and can be sprayed through various modes such as aerial spray, ground administration, or spot spraying. It is flexible and convenient for use on wildlife dwellings and unutilized land. Avoid contact with sprayed areas until 12 hours elapse.
Pros
- Clears 35 weed families
- Can be sprayed through different modes
- Best for pasture renewal
Cons
- Risky if it gets into contact before 12 hours elapse after spraying
Buyer’s Guide
How do I Eliminate Mountain Laurel?
Slash out the wings and dig out the shrub. Spray a herbicide with triclopyr. This suppresses the advancement of the anchorage. Mask the sprayed locality with black polythene to inhibit light from penetrating to the root remnants, suffocating it.
What is the Perfect Time to Apply Herbicides on Mountain Laurel?
Defoliants are classified into distinct categories, each with unique attributes. Pre-emergence herbicides are spread in late winter or spring onset, while post-emergence herbicides are sprayed in spring.
Where does Mountain Laurel Grow?
Mountain laurel is a common shrub found within zone 4 to 9 and northeastern regions of America. Also, found within southern and mid-Atlantic states. It has a strong association with northern hardwood park situated in mid-high points of central and northern Appalachian mountains.
How Long does a Weedkiller Stay in the Ground?
Many herbicides have a relatively strong affinity to soils hence may last for two weeks without losing their efficiency. This is risky in case of blowing soils. Rainfall also affects herbicides in that surface runoff may sweep the unabsorbed weedkillers hence leading to environmental pollution.
Which Seasons of Mountain Laurel Sprouting; Is This the Best Time to Apply Herbicides?
Mountain laurel is a dense green shrub with teeny alluring florets. It sprouts in late spring with flowers persisting through the onset of summer. The weed prefers wet and slightly acidic soils within shady regions, however, it can withstand strong sunlight. Always apply the herbicide during this season of active growth.
FAQ
Grows from late Summer to early Spring.
Compare-N-Save Grass and Weed Killer clear 175 understory breeds.
Roundup Poison Ivy Plus Tough Brush Killer works within one day.
Conclusion
Tackling mountain laurel can never be a hard task when you have these herbicides at your disposal. From the outlook, it is evident that the outlined weed killers are handy in countering the dominance of various kinds of vegetation that may be a nuisance to your backyard, be it on uncultivated land, sidewalks, roadsides, and fencerows. Note that precautionary measures come to play whenever handling these herbicides.