Create a bountiful vignette right out of a Dutch master’s still life using a variety of squash found at your local green market, farm stand, or grocery store. Look for interesting shapes, sizes, and colors to group together. An antique mantel provided the perfect backdrop after we brushed on paint the color of butternut squash. Next year, sow your own heirloom-pumpkin patch. The numerous varieties are easy to grow, and doing so can help preserve rare species.