Cut Flower Snapdragron Potomac Seedling PackAntirrhinum majus Cut Flower Snapdragon seedlings, grown in Marlborough by Gray Floral, shipping NZ wide. Potomac Snapdragons are developed to produce strong, tall, florist worthy stems from spring through summer! They enjoy bulking up over the cooler period of winter and will come away beautifully in spring. A classic cut and come again flower, pinching will encourage more stems. Growing them through winter spring is often helpful in avoiding the