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20+ Years of Lawn Care in Portsmouth, NH
20 years
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20+ Years of Experience

 With over 20 years of proving the best lawn care services in the Seacoast region, you can trust that Allegro Lawn will get the job done right.

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Quick Quote

Allegro Lawn is proud to offer a quick online quote for any service and will send one of our technicians to verify and address any current issues with the lawn in question.

Lawn Care in Portsmouth, NH

Caring for your yard is serious business. The quality of your lawn can affect the value of your home, how well your soil handles harsh weather, and those all-important first impressions that neighbors and guests have of you. If you want the positives of a great yard, but without toiling away the summer, Allegro has you covered.

When you trust Allegro for your lawn care service in Portsmouth, NH, you'll receive:

  • The choice between 3 distinct lawn care packages designed for Seacoast.
  • Regular fertilization that gives your grass what it needs to thrive.
  • Insights into professional lawn care from our friendly and knowledgeable technicians.
  • Pre- and post-emergent weed control.
  • Protection of your grass against diseases, insects, and grubs.

Get a Quick Lawn Care Quote

We’re proud to offer free quotes online for any lawn care service. We’ll then send out a tech to verify the quote and touch base with you about further concerns you might have. The aim is to make it easy for you to know what to expect from the get-go!

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*Allegro Lawn does not offer mowing or landscaping services at this time.*
Main Office
(Administrative Only)
63C Broadway
MON - FRI: 8:30 AM - 3:30 PM
35 Reviews
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Lawn Aeration and Seeding in Portsmouth, NH

Most people understand how sunlight, water, and fertilizer contribute to grass growth. But lawn aeration often gets overlooked as an aspect of good lawn care. We conduct core aeration using a small machine that pokes thousands of holes in your yard, pulling out small plugs of soil. Though this might sound strange, fall lawn aeration on a yearly basis is a key maintenance practice for a robust yard.

Our lawn aeration and seeding services in Portsmouth, NH, include benefits such as:

  • Reducing soil compaction from being walked on throughout the year.
  • Fostering deeper root growth.
  • Allowing air, water, and nutrients to more easily reach the roots of your turf.
  • Increasing water absorption (and reducing water runoff).
  • Decomposing thatch buildup on the surface of soil.
  • Greening grass.
  • Helping grass naturally outcompete weeds.

In tandem with fall core aeration, we spread grass seed over your lawn that helps to fill in gaps and prevent weeds from gaining a foothold. The end result is a lawn that’s ready to handle dormancy in the winter, bounce back in the spring, and thrive in the summer.

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Weed Control in Portsmouth, NH

Are weeds getting in the way of your lawn’s potential? You don’t need to worry a moment more with our weed control in Portsmouth. Our comprehensive program helps prevent, eradicate, and keep your weeds under control for the long run. If you’re looking to get rid of weeds and watch your lawn thrive once and for all, trust your local experts at Allegro Lawn to handle some of the most troublesome varieties:

  • Broadleaf
  • Crabgrass
  • Nutsedge
  • And more! 

Contact us for professional weed control in Portsmouth, NH, today!

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Grub Control in Portsmouth, NH

Is your grass brown and dying? C-shaped grubs could be the issue! Allegro Lawn is here to help get rid of grubs. Our team of experts offers a range of grub control services to combat these destructive insects.

Here's how our grub control services in Portsmouth, NH, can help:

  • Our trained lawn technicians will assess the condition of your lawn and identify if grubs are the culprits behind the damage.
  • If grubs are present, we will apply a curative treatment to break their life cycle and prevent further spread.
  • Our high-quality, low-toxicity treatment not only targets grubs but also tackles other common lawn insects like armyworms, chinch bugs, and sod webworms.
  • To provide long-term protection, we will apply a grub preventive to keep your lawn safe from future generations of these pesky pests.

With Allegro Lawn's grub control services in Portsmouth, NH, you can say goodbye to damaged lawns and hello to a lush, healthy yard. Contact us today to schedule an assessment and take the first step towards a beautiful, grub-free lawn.

20+ Years of Quality Services

At Allegro Lawn, we’re committed to providing an unmatched experience that you can only get when you work with our expertly-trained technicians. With over 20 years in the industry, we’re confident we’re able to deliver lawn care service that is not only high-tech but centered around small business values. We focus on continuing the education of our valued employees, so we can ensure they’re equipped to handle the toughest of jobs. Whether you’re in need of Broadleaf or Crabgrass control, we’re a weed control company that’s prepared for just about anything.

Trust Our Family-Friendly Products 

Here at Allegro, we use only EPA-approved products and are equipped to use all-natural products if you prefer. Keeping your family (furry members included!) safe is our top priority. Ask us about our lawn care options!

5 Star Review

Allegro Lawn has been an awesome team! They are responsive and take care of the little things without having to communicate them. Very knowledgeable and helpful with all things lawn care, pest control and grounds maintenance.

A Guilfuchi
5 Star Review

Very knowledgeable about what was going on with my grass. Happy with the results so far.

Jake Flanders
5 Star Review

These guys are great. They show up when the say they will. The services are cost effective and work great. I have recommended them to many people who are also very happy with their services.

Tim Winters

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Contact Info
By submitting this form, you are agreeing to the privacy policy.

*Allegro Lawn does not offer mowing or landscaping services at this time.*