North Dakota State University Extension has a few tips to make sure your grass doesn’t wave a white flag come spring. Get our free mobile appNorth Dakota Fertilizer loading...Feed Your Lawn Now, Thank Yourself LaterFirst things first: fertilizer. North Dakota Fertilizer Canva loading... North Dakota FertilizerThe Sweet Spot: Fertilize In SeptemberSo, to keep it simple in North Dakota: shoot for a fertilizer application before September 15th. So, skip the overthinking, grab the right fertilizer soon, and let your lawn settle in for a cozy winter nap. Biggest sources of immigrants to North Dakota Stacker compiled a ranking of the biggest sources of immigrants to North Dakota.