Store › Hawthorn leaves & flowers (Crataegus monogyna) Image 1 of 1 Hawthorn leaves & flowers (Crataegus monogyna) from $19.95 Hawthorn leaves & flowers single herb tincture. Size: Select Size 100mL 250mL 500mL 1000mL Add To Cart Added! Hawthorn leaves & flowers single herb tincture.