Basil

Ashwagandha (Withania somnifera), sometimes called “Indian ginseng,” is a sturdy shrub growing to about 5 ft (1.5 m) with oval leaves, greenish or yellow flowers, and small, round fruits. NCCIH says some preparations may help insomnia and stress, but there isn't enough evidence to know whether it helps most other conditions.

Astragalus (Astragalus membranaceus), known in China as huang qi, is a perennial reaching about 16 in (40 cm), with hairy stems and compound leaves composed of multiple leaflet pairs. Its root has been used for centuries in traditional Chinese medicine, often with other herbs, and NCCIH says it is promoted to improve the response of the immune system. NCCIH says there is not enough reliable evidence to know whether astragalus helps any health condition.

Bacopa, also known as Water Hyssop or Brahmi, is a creeping succulent perennial that can grow to about 20 inches. It features spatula-shaped fleshy leaves and pale blue or white flowers on slender stalks. It thrives in marshlands and along the edges of mangrove swamps in warmer temperate and tropical climates, especially southern Asia, where it forms dense mats on mudflats.

Borage (Borago officinalis) is a coarse, hairy annual that grows to about 2 ft (60 cm), featuring a succulent stem, large basal leaves, and distinctively bright blue star-shaped flowers. The seeds yield an oil rich in gamma-linolenic acid (GLA), a polyunsaturated fatty acid.

California poppy (Eschscholzia californica) is an annual or short-lived perennial with finely divided leaves and vibrant orange, yellow, pink, or red blossoms. It is related to the opium poppy.

Cardamom is an aromatic spice long prized for its fragrant, pungent taste. Thanks to its agreeable flavor, cardamom is often added to herbal formulas to improve taste.

Codonopsis is a small twining perennial growing to 5 feet with oval leaves and pendulous green and purple bell-shaped flowers marked with purple in summer. Native to northeastern China and growing throughout the region, especially in the Shanxi and Szechuan provinces, it is propagated from seed in spring or autumn, and the root is harvested in autumn once the aerial parts have died down. Codonopsis holds a central place in Chinese herbal medicine.

Asian or Korean ginseng (Panax ginseng) is a perennial reaching about 3 ft (1 m) in height, with toothed oval leaves and a cluster of small green-yellow flowers. Its root is legendary in traditional medicine as an adaptogen, taken for energy, stamina, aging and stress. NCCIH says most studies have been small and short, and that most research shows it does not improve athletic performance. Red ginseng is steamed before drying.