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JMJ Gardens is a Newburyport-area garden and landscaping company. It describes itself as offering organic garden design and installation, native plantings, hardscapes and seasonal maintenance, and says it is run by Justin, who started the business. A 2026 customer said Justin mulched all of their garden beds, and that he and his crew were quick and very neat. A 2026 customer said Justin and crew upgraded a front walkway and step/landing and addressed some drainage issues. A 2026 customer said they built a new retaining wall and covered it in decorative stone facings. A 2025 customer who built a new custom home said Justin suggested a clover blend lawn for the lawn installation, then hired him for plantings. A 2025 customer said Justin could identify their plants and weeds by name, and that a month after his crew worked on the front yard gardens, the horsetail had not reappeared. A 2023 customer said Justin had worked with them for several years, removing and replanting shrubs in overgrown perennial beds and cleaning up at the end of the day. A 2025 customer who hired the company to remove weeds and dig out root systems at a multi-unit property gave two stars. That customer said they showed up a day before the planned date without notice, only weed whacked the parking lot weeds, and that Justin said finishing the original scope would cost $110/hour. The customer said Justin then sent a revised invoice that took off the incomplete work. On Google, the company holds 4.9 stars from 30 ratings, and 4.8 stars from 24 ratings on Thumbtack.
“JMJ Gardens is known for its attention to detail and curated plant selections. Their projects often include perennial beds, formal garden layouts, and structured borders tailored to Newburyport’s climate.”
I am very happy with this service. Justin is very knowledgeable about where plants will thrive. The people who work for him come in and do an incredible job caring for the beds and go out of their way to ensure that I have an understanding of how to maintain the garden until their next visit.
Justin and crew did a fantastic job upgrading our front walk way and step/landing, as well as addressing some drainage issues. Great ideas, quality work and just a great guy to work with. We look forward to adding plantings in the fall! Highly recommend.
Justin was great to work with! He was very responsive, the garden/landscaping/hardscaping look beautiful, and his willingness to continue to answer questions about care and maintenance are much appreciated!
Justin is very professional, communicative, and knowledgeable. He and his excellent team transformed our property.
Excellent experience with JMJ. Justin's team was on time and worked very hard to get our project completed. We would definitely recommend to other customers.
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3 changes recorded — last scanned Oct 1, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from JMJ Gardens. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$50 – $70
Typical landscaping service around $60
Long-tenured customers4.8