Senega Root (though this is more commonly used for *Polygala senega*), Chinese Senega
Polygala tenuifolia

🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
While not widely used in permaculture, some Polygala species have medicinal properties. The roots of Polygala senega are traditionally used as an expectorant and to support respiratory health. Polygala tenuifolia may share similar medicinal properties, though more research is needed. It could potentially be included in a medicinal herb garden or used as a ground cover in certain areas. However, caution should be exercised as some Polygala species can be toxic if not prepared properly. Consult an herbalist before using medicinally.
Permapeople description
A traditional Chinese medicine herb. It is a perennial plant with slender stems and narrow leaves, bearing small, purplish flowers. Used for its purported calming and memory-enhancing properties.
Botanical description
Polygala tenuifolia is a herbaceous perennial plant belonging to the Polygalaceae family. It typically grows to a height of 10-30 cm. The leaves are narrow and linear, arranged alternately along the stem. The flowers are small, pinkish-purple or white, and are borne in racemes at the tips of the stems. The fruit is a small capsule containing two black seeds. It favors sunny locations with well-drained soil.
Companion planting
Information on specific companion planting for Polygala tenuifolia is limited. General considerations for herbaceous perennials apply. Avoid planting near aggressive competitors. May benefit from companion plants that attract pollinators.
Propagation methods
Propagation can be achieved through seeds, division of established plants, or stem cuttings.
History and traditions
Historically, similar species in the Polygala genus, specifically Polygala senega, have been used by indigenous peoples of North America for respiratory ailments. In traditional Chinese medicine, some species have been used for expectorant and anti-inflammatory purposes.
Usage calendar
Flowering typically occurs in spring and summer (May to August). Seeds can be collected in the fall. Division is best done in early spring or fall. Cuttings can be taken in late spring or early summer.