Once & Done Biodegradable Plant Starter Paks are an efficient and easy means of feeding new transplants. Add to planting hole, backfill, and water. It’s that simple. The unique combination of slow-release organic & natural fertilizer gives plants the ability to take care of themselves and provides all the nutrients necessary for abundant growth and development. When time is of the essence and organic is a must, these little paks deliver one big, blooming garden. Feeds for up to 4 Months!