Healthy Lawn Project

Tired of algae blooms overtaking Straits Pond and producing foul odors?  

The Cause: Nitrogen rich fertilizer used on lawns runs into our watershed and provides harmful algae blooms with all the nutrition they need to keep blooming.

Help us keep nitrogen out of the Straits Pond watershed by using” slow release” fertilizers on your lawn.

The Ocean River Institute of Cambridge, MA has done extensive research on lawn fertilizers and their effect on our ecosystems.  Their research into the many causes of fertilizer led them to our area where The Cohasset Healthy Lawn Project  was born. Its purpose is to advocate for the use of “slow-release” fertilizers.

SPWA has done a fair amount of research on the availability of “slow release” fertilizers for your lawn and Milorganite can be purchased in our area.

After visiting a number of store locations in the Cohasset, Hull and Hingham areas, we determined that they ALL carry Milorganite.   The prices range from $33 for a 32 pound bag (covers 2,500 Sq. ft of lawn).  That might sound expensive, but if you fertilize twice a year, it’s cheaper than 4 quick release fertilizer applications.


Note: In order to find it in the store, you’ll have to look behind the walls and shelves full of the major brands “quick release” fertilizers

Milorganite can be purchased at these locations:

  • Aubuchon Hardware – Cohasset (they also have a slow release product called Ecoscraps which is made from recycled food waste.
  • Cohasset Village Greenery – (They also carry a large selection of organic products, and their staff can explain everything you need to know about growing healthy organic lawns and gardens).
  • Amazon – usually includes free shipping, have it delivered right to your door

If you use a lawn service talk to them and ask for a “slow release” fertilizer to be used

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