FieldSTONE- sonoma Sonoma is used for walls, decorative borders, and edging. It is sold in head size and double head size as well as complimentary boulders ranging from 100 to 3,000 lbs. Colors range from reddish brown to dark brown with moss and lichens. It is an affordable way to build walls with landscaping décor while also providing retaining wall strength and durability. AVAILABLE SIZES DESCRIPTION SIZE COVERAGE AREA Baskets 4" – 8" 55 – 65 sf /ton Baskets 8" – 12" 45 – 55 sf /ton Baskets - Head Size 12" – 18" 35 – 45 sf /ton Baskets - Double Head Size 18" – 24" 25 – 35 sf /ton Boulders, palletized 100 – 300 lbs   Boulders, palletized 300 – 500 lbs   Boulders, palletized 500 – 1,000 lbs   Boulders, freestanding 1,000 – 2,000 lbs   Boulders, freestanding 2,000 lbs +