Watercress, akin to kale, broccoli, and Brussels sprouts, boasts a peppery flavour and thrives in gently flowing water, forming lush mats of nutritious foliage. Ideal for moist, sunlit spots, it can also be cultivated in water-filled containers to prolong its growing season. This fast-growing aquatic perennial forms dense mats of both floating and submerged stems that creates habitat for shallow water organisms. Its oval, wavy-edged leaves, rich in dark green hues, make Nasturtium officinale a popular choice for salads, complemented by delicate white flowers that bloom from late spring to midsummer.