The answer to 'mulch vs rock' is that both mulch and rock have their own advantages and disadvantages, and the best choice depends on your specific landscaping needs and preferences. Mulch is an organic material, such as wood chips or shredded bark, that helps retain moisture in the soil, suppresses weed growth, and adds nutrients as it decomposes. Rock, on the other hand, is an inorganic material that provides a more permanent, low-maintenance ground cover, but does not provide the same benefits to the soil.
In terms of cost, mulch is generally less expensive than rock, but the cost can vary depending on the type and source. Rock may have a higher upfront cost, but it can last for many years with minimal maintenance. Mulch typically needs to be replenished every 1-2 years, while rock can last for a decade or more. Both mulch and rock can be used in a variety of landscaping applications, such as around trees and shrubs, in flower beds, and as a ground cover in areas with high foot traffic.