Herbs & Botanicals

Horse Chestnut (Aesculus hippocastanum): Standardized Seed Extract, Venous Research, Raw-Plant Toxicity & Safety
A whole-plant guide to horse chestnut (Aesculus hippocastanum), separating evidence-supported standardized seed extracts for chronic venous insufficiency from unsafe raw seeds and other plant parts, with escin research, liver and medication cautions, identification, and safety. Read more...
Hoodia / Kalahari Cactus (Hoodia gordonii): San Tradition, Weight-Loss Claims, Safety, Trade & Conservation
A safety-first whole-plant guide to Hoodia gordonii, including San traditional knowledge, P57 and appetite-suppression claims, the very limited human evidence, adverse effects, product adulteration, CITES-regulated trade, and conservation. Read more...
Houseleek / Hens and Chicks (Sempervivum tectorum): Traditional Skin Use, Folklore, Research & Safety
A whole-plant guide to houseleek or hens and chicks (Sempervivum tectorum), covering traditional skin and earache use, phytochemical and laboratory research, crucial ear-safety cautions, folklore, propagation, and drought-tolerant growing. Read more...
Horseradish (Armoracia rusticana): Pungent Root, Culinary History, Glucosinolates, Research & Safety
A whole-plant guide to horseradish (Armoracia rusticana), covering its culinary history, glucosinolate and isothiocyanate chemistry, traditional uses, the limits of combination-product clinical evidence, growing habits, and safety. Read more...
Japanese Honeysuckle / Jin Yin Hua (Lonicera japonica): Traditional Use, Research, Invasiveness & Illinois Law
A whole-plant guide to Japanese honeysuckle (Lonicera japonica), known in Chinese herbal tradition as Jin Yin Hua, covering traditional flower use, phytochemistry, limits of clinical evidence, invasive ecology, and current Illinois Exotic Weed regulations. Read more...
Black Henbane (Hyoscyamus niger): Poisonous Nightshade, History, Tropane Alkaloids & Safety
A safety-first guide to black henbane (Hyoscyamus niger), its history, tropane alkaloids, anticholinergic poisoning, identification, modern pharmaceutical context, and why the raw plant is not a home remedy. Read more...
Poison Hemlock (Conium maculatum): Deadly Toxicity, Identification, Look-Alikes, Legal Status & Safety Guide
A poison-first guide to Conium maculatum covering lethal alkaloids, identification, dangerous edible look-alikes, poisoning symptoms, safe handling and removal, Washington legal restrictions, and history. Read more...
Heartsease / Wild Pansy (Viola tricolor): Whole-Plant Guide to Traditional Skin Use, Edible Flowers, Research & Folklore
A whole-plant guide to heartsease, also called wild pansy and Johnny-jump-up, covering identification, edible flowers, European herbal tradition, modern research, safety, cultivation, and folklore. Read more...