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Depending on the lawn treatments, the best times of the year to redo your lawn are between mid-August and mid-September for overseeding and renovation treatments. For areas such as the southern United States, lawn aeration works best during the fall, when the temperatures begin to drop. Otherwise, early spring is your next best bet because the grass is fresh and ready to absorb nutrients, and the temperature isn’t hot enough to fry the grass and the renovation materials.

When stored under ideal conditions, grass seed lasts anywhere from 10 to 18 months from the testing date without any real decrease in the germination rate. You can still use the seeds after this timeframe, but the germination rates drop 10% to 20% each year. 

If you’re just embarking on an overseeding project, using seeds that have been in storage for a few years isn’t too big of a deal. However, if you’re planning on redoing your entire landscape, your best bet for a healthy, luscious lawn is to use new seeds.

Yes, orchard grass is a perennial weed that will come back each spring. However, if you maintain a healthy, dense lawn in the spring, orchard grass will not have as much space to flourish. Remove signs of the weed early in the spring season whenever possible.

Many homeowners in warmer climates like this resilient, hearty grass because it can tolerate excessive heat and drought while developing into a lush lawn. Unlike other grasses, Bermuda grass grows and spreads quickly and can withstand excessive foot traffic. But whether Bermuda grass is good for lawns may depend on your geographic location, as this grass has a low tolerance for cooler temperatures, which causes it to go dormant and turn brown in the winter months.