Groupon offers the Pacific Royal Reclaimed Wood Square Planter Box 3-Pack for $99.99. Coupon code "SALE3" cuts it to $89.99. With free shipping, that's $10 under our mention from March, $140 off, and the lowest total price we could find. It includes a small (9.5" x 9.5" x 10.5"), medium (12.5" x 12.5" x 14"), and large (16.25" x 16.25" x 17.5") box. Deal ends April 26.