Lettuce
Lettuce (Lactuca sativa) is native to the Mediterranean region and comes in hundreds of varieties, from crisphead to loose-leaf. This cool-weather crop is one of my absolute favorites for bucket gardening because it matures rapidly—often in just 30 to 45 days—and tolerates partial shade. A single five-gallon bucket can yield continuous harvests if you use the cut-and-come-again method: snip outer leaves while the inner rosette continues growing. In warmer seasons, place your lettuce bucket in a lightly shaded area to prevent bolting; in winter, tuck it under a cold frame or farmhouse light to keep greens fresh.
Though cultivated lettuce isn’t invasive, wild lettuce relatives can sometimes spread via wind-blown seeds. In a bucket, however, you have full control over every flower stalk. Watching pollinators nest around lettuce blossoms is fascinating—tiny solitary bees may burrow into bare patches of soil within or beside buckets. Even if you don’t let any heads go to seed, those bees still benefit from visiting nearby flowers, providing you with an enchanting little wildlife display at your entrance or balcony edge. Just make sure the bucket has sufficient drainage holes and a loose, friable soil mix enriched with compost to keep your leaves tender and vibrant!