This Costco garden center jumbo flat includes 36 annual flowering plants, each grown in a 1.2-quart (1.1-liter) pot. Annual varieties may include popular seasonal blooms such as petunias, marigolds, impatiens, or similar warm-weather flowers suited for garden beds, borders, containers, and hanging baskets.

Each plant arrives ready to transplant, offering immediate color and curb appeal for spring and summer gardens. The jumbo flat format makes it easy to fill large planting areas efficiently and cost-effectively. Plants are typically grown in well-draining potting mix and benefit from full sun to partial shade depending on the variety included.