Celery leaf | Apium graveolens. A really lovely leafy herb that tastes of celery. A great addition to use raw in salads or add to soups and stews. Great for blending into pesto sauce or hummus. Best planted in a free draining soil in a sunny area. Medicinally is used for osteo and rheumatoid arthritis and gout. Heavily used in Ayurvedic medicine