NJ Lawns Community

Hey everyone, I need some serious advice here. I applied Milorganite to my front lawn in Ridgewood three days ago (followed the instructions exactly) and wow - the smell is absolutely brutal. I can't even sit on my patio without gagging. My next-door neighbor just pounded on my door and threatens to call the HOA about the 'health hazard.' I'm not exaggerating when I say it smells like someone buried a farm animal in my yard. Is this normal? Will it pass? I'm embarrassed to even walk outside. Any tips to speed this up? I'm running out of excuses to tell my neighbors.

Yep, that's pretty standard actually. The smell is from the iron content and the anaerobic decomposition - basically the microbes are working overtime. The good news is it typically fades within 5-7 days depending on weather. Here's what I'd recommend: water it in deeply if you haven't already. Like 0.5-1 inch of water. That helps push the nutrients into the soil rather than sitting on top. If you have a sprinkler system, run it in the early morning. Also, avoid applying when temps are above 75 - that accelerates the odor. What time of day did you put it down?

Ugh, I'm sorry you're dealing with this but honestly the smell is proof it works! Synthetic fertilizers don't smell because they're stripped of all organic matter. That stink means actual microbes are colonizing your soil. To answer your question though - yes it will fade. Usually 4-7 days. One trick: apply in the evening and water in immediately, don't let it sit on the surface. Also, if it's really bad you can lightly topdress with some composted bark to help mask it. I know that's an extra step but it's worked for me in Tenafly. Your neighbor sounds like a peach though, threatening HOA over fertilizer smell? That's a new one.

I've been there brother. The key thing about Milorganite in our area is timing - you basically want to apply it right before rain is forecasted or during our cooler spring/fall months. August application in Bergen County is rough because the heat cooks it. For tall fescue and KBG like you probably have, the best times are actually early September or late March. Pro tip: check the weather app and look for a light rain event within 24 hours of application. That natural watering does more than any sprinkler system. As for your neighbor - document everything in case they do file anything. You're well within your rights to fertilize your property. Maybe drop them a polite note explaining it's an organic product and the smell dissipates.

Update: Ran my sprinklers this morning for about 45 minutes and honestly the smell is already cut by half? Maybe the watering helped. Thanks for the tips everyone. @IrrigationIvan I applied in the late afternoon around 4pm so that was prob part of the problem. @SeasonalSteve good call on documenting. I actually looked up our HOA bylaws and there's nothing in there about fertilizer restrictions so I think I'm covered. Now I just need to survive the next few days and hope my other neighbor doesn't join the complain train. Appreciate the help!