This aromatic shrub or small tree is Chasteberry, Vitex agnus-castus. It belongs to the mint family, Lamiaceae, and is native to the Mediterranean region and western Asia. It often grows naturally along riverbanks, seasonal streams and other sunny places where water is available for part of the year.

Chasteberry usually forms a broad, many-branched shrub, although older plants may develop into small trees. Its leaves are divided into five to seven narrow leaflets that spread outward from a single point, giving each leaf a hand-like appearance.

The foliage is gray-green and slightly fuzzy beneath. When the leaves are rubbed or crushed, they release a strong aromatic scent, a characteristic shared by many members of the mint family.

During the warmer months, the plant produces upright spikes of small lavender, violet, blue or occasionally white flowers. These flower clusters stand above the foliage and are highly attractive to bees, butterflies and other pollinating insects.

After flowering, small rounded fruits develop along the spikes. They begin green and mature to dark brown or nearly black. Their peppercorn-like appearance has given rise to another common name, Monk’s Pepper.

The name “Chasteberry” comes from an old European belief that the plant could reduce sexual desire. Its fruits and other parts have been used in traditional herbal preparations for centuries, particularly in connection with women’s reproductive health. These historical uses should not be taken as a recommendation for self-treatment, because the plant contains biologically active compounds and may interact with medications.

Chasteberry tolerates heat, wind, drought and relatively poor soils once established. It may lose its leaves during a cool or dry season and then produce fresh growth when conditions improve.

This is a plant with several layers of interest: hand-shaped aromatic leaves, colorful flower spikes, pepper-like fruits and a long history in traditional medicine.

Even without knowing its history, it is easy to appreciate as an ornamental plant. When in full bloom, its lavender flower spikes can give the entire shrub a soft, almost misty appearance while providing an important food source for pollinators.