Decorative rock can be a beautiful alternative to Mulch. Decorative rock comes in many sizes and colors and can beautifully accent any house when included in the landscaping. Below is a few options with pricing. Large Buff is a beautifully buff colored rock which has hues of yellows, tans, browns and some blue. Large Buff can be delivered and spread for $145.00 per ton. If any prep work is needed before we can apply the rock you should expect to pay a little more. Iowa comes in two sizes and is a mixture of Mostly blues, with some brown, white and red colors. Large is around 1.5 inches - 3 inches in size. Small is 1 to 1.5 inches. we can deliver and spread Iowa for 125.00 per ton. If any prep work is needed before we can apply the rock you should expect to pay a little more.