Use lightweight cotton yarn in watermelon-inspired shades—red or pink for the body, a slim white stripe, and green for the collar, sleeves, or hem to mimic the rind. Begin with a top-down raglan or yoke design using double crochet or half double crochet stitches for flexibility and breathability. Add tiny embroidered black seeds on the front or scattered across the shirt for a cute, realistic touch.
Opt for button closures on the shoulder or back to make dressing easier for babies. For a sleeveless summer version, crochet shell stitch edging around the armholes and neckline. You can also add a watermelon slice pocket or a small crocheted applique for extra detail. Pair it with matching bloomers or shorts for a full summer outfit. These shirts are adorable for beach days, picnics, or baby photoshoots, and they’re as functional as they are festive!