Crab grass doesn't stand a chance. Walmart We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews, and must-have deals. Walmart is running a big outdoor power equipment sale as part of its Patio & Garden event, and there are more than 150 mowers, trimmers, blowers, pressure washers, and chainsaws hanging around their lowest prices of the year. The Greenworks 60V 21-inch self-propelled mower is $398 (down from $548), the Mammotion LUBA 2 robot mower has dropped to $2,339 (from $2,599), and Efurden’s 3,500 PSI gas pressure washer is half off at $229.99. If your yard is starting to look feral, this is a good week to fix that. Greenworks 60V 21" Self-Propelled Lawn Mower with 8.0 Ah Battery and Rapid Charger $398.00 (was $548.00) See It $150 off Greenworks’s flagship 60V battery mower is the best mainstream cordless deal in the sale.…