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At Professional Irrigation & Locust Valley Lighting, we design and install custom landscape lighting systems throughout Long Island, including Nassau County and Suffolk County.

Every summer on Long Island homeowners are overwatering more simply because it's hot. Sometimes that's exactly what causes the damage.

Backflow testing is a required part of proper irrigation and drainage on Long Island

our sprinklers are running, but your plants look stressed. On Long Island, overwatering and underwatering produce nearly identical symptoms, and the cause is rarely what homeowners expect. Here's how to read what your landscape is telling you.

Smart irrigation controllers and rain sensors are genuinely useful tools, and we recommend them. But on Long Island, where soil composition, drainage, and rainfall can vary significantly from one neighborhood to the next, they are not a complete solution on their own. After nearly 50 years of managing irrigation across Nassau and Suffolk County, we can tell you exactly what these systems do well, where they fall short, and what it actually takes to keep a landscape healthy th

We get these calls every spring. A homeowner had a system installed, paid a fair price, and assumed it was done right. A season or two later, something is clearly wrong: plants are dying, the lawn has dry patches no one can explain, water is pooling near the foundation, or expensive shrubs that should be thriving are barely hanging on. They call us, we come out, and within a few minutes of walking the property, the picture becomes clear. After nearly 50 years of designing, in

If you're looking for an irrigation company to help your landscape flourish, here are a few questions to ask and signals to look for so your property gets the right amount of water, in the right places, away from your home and structures.

When mulch is applied too thick, built up over time, or compacted, it can block water from reaching the root zone. Instead of soaking into the soil, water can sit in the mulch layer or run off, leaving plants under-watered even when irrigation is running.

Two properties can have the same plants, the same irrigation system, and the same maintenance schedule...and perform completely differently over time. One stays healthy, balanced, and easy to manage. The other starts to show stress. Certain areas dry out. Others stay too wet. Plants struggle, even though everything appears to be “set up correctly.” The difference usually comes down to one thing: How water actually moves across the property. On Long Island, that’s rarely consi