Water-plantain is a long-stalked, tall, aquatic plant that is often found in shallow water or along the muddy banks of slow-moving watercourses. Has been known as Common Waterplantain, European Water Plantain, Great Water Plantain, Mad-dog Weed. Water-plantain starts to flower in June, and continues throughout the summer. However, individual flower heads are very short-lived. The white flowers open in the afternoon, and withers six hours later.
Alisma Plantago is a perennial herb that flowers during summer months, and makes a great pond plant in aquatic baskets or as a marginal plant in wet soil.