Sears offers the 8-Foot Greenhouse in a Box, model no. 70652, for $218.49. Coupon code "LAWN20" cuts it to $198.49. With free shipping, that's the lowest total price we could find for such a greenhouse by $111. It features a steel frame, ripstop translucent cover, and measures 6-feet x 8-feet with a peak height of 6.5-feet. Deal ends March 22.