Tea Brewing Instructions Vervain, a plant-based apothecary, features a curated selection of the highest quality vital products from well-respected producers and makers. Our Garden City storefront will open in Summer 2019. Check back for a complete selection of products offered at Vervain, a plant-based apothecary. Opening Summer 2019! Sign up below for updates on our newsletter, where you will recieve progress updates and seasonal wellness tips.