§ 14533 Fertilizing Material Definition

• •Fertilizing material includes commercial fertilizers, agricultural minerals, beneficial substances, and organic inputs.
• •The definition covers any product that falls into these categories.
• •The rule takes effect on January 1, 2025.

A homeowner buys a bag of compost to use in their garden.

Because compost is an organic input material, it is considered fertilizing material under the law, so the homeowner must follow any labeling or usage rules that apply to such materials.