(Image credit: Shutterstock) This may come as a surprise, but Walmart is serving up some serious inspiration for spring. I've been scrolling through the retailer's latest patio and garden drop and there are plenty of must-shop finds — many of which look far more expensive than they actually are. If you're looking to refresh your backyard, patio or garden, Walmart has everything you need to transform the space into a magical perfect retreat. I've rounded up patio furniture, decor and grilling appliances — and the best part is, the deals start at just $5 . Check out the practical, stylish and affordable items I would happily buy for my own home.…