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Common salsify (Tragopogon porrifolius) also called "Oyster plant", "Vegetable oyster" or "Jerusalem star" is a plant of the Asteraceae family, cultivated for its root eaten as a vegetable. Today, salsify is practically no longer cultivated. Salsify sold in markets is often the salsify (Scorzonera hispanica).

Salvia discolor (Andean sage) is a herbaceous perennial growing in a very localized area in Peru. It is equally rare in horticulture and in its native habitat. The leaves, stem and flower buds all exhibit a strong and distinct odour of blackcurrant. The 1 in long deeply saturated dark purple flowers are held in a pistachio-green calyx, growing on 1 ft or longer inflorescences.

Horseradish (Armoracia rusticana) is a perennial plant of the Brassicaceae family. It grows up to 1.5 meters tall, and is cultivated primarily for its large, white, tapered root. The Japanese condiment wasabi, although traditionally prepared from the wasabi plant, is now usually made with horseradish due to the scarcity of the wasabi plant.

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