Feather Meal - All Natural Organic Plant N Fertilizer - Free Shipping Hydrolyzed feather meal is great source of protein (N) for plants. Promotes growth and brings out a dark green color in plants throughout the season...slow release 4-6 months. Use on vegetables, berries, trees and shrubs. Mix into top 4 inches of soil. Available in 15 oz., 2 pounds, 5 pounds, 10 pounds, and 20 pound quantities. 15 oz. quantity is shipped First Class, all other quantities are shipped Priority Mail. Apply at: 30-50 pounds per 1000 sq. ft. before planting 1/2 cup per large plant or shrub early in season Also a great addition to activate compost piles...use 2 pounds per yard of compost. We buy in bulk and repackage in smaller packages to keep cost down.