Cubic yards and 2-cu-ft bags needed for any bed size and depth.
Not sure of your area? Use the square footage calculator first.
Bags rounded up. Bulk is usually cheaper above ~10 cubic yards.
Volume = area × depth (÷ 12 to convert inches to feet). We then convert to cubic yards for bulk orders (÷ 27) and to standard 2-cubic-foot bags (÷ 2).
Bark, wood chips and landscaping materials from trusted retailers.
Area × depth ÷ 12 = cubic feet. Divide by 27 for cubic yards, or by 2 for 2-cu-ft bags.
2–3″ around flowers and delicate plants, 3–4″ for trees and shrubs.
Late spring once soil warms, or fall before winter. Spring application holds summer moisture.
Organic mulch lasts 1–2 years. Check annually and top up thin spots.
Bulk is cheaper above ~10 cubic yards; bagged is easier for small beds and storage.