Growth habit & appearance: Astragalus membranaceus, often called Milk Vetch or Huang Qi, forms a neat clump of soft, pinnate leaves that create a delicate, fern-like appearance through spring and summer. As the plant matures, it produces upright stems topped with creamy-yellow pea-type flowers, giving a clear visual link to its Fabaceae family roots. The overall structure is tidy and elegant, particularly when grown in a well-drained herb border.
Growing conditions: A fully hardy perennial in Irish gardens, Astragalus prefers full sun and free-draining soil, performing best where summers are reasonably warm and moisture is not excessive. Although originally from Asia, it adapts well to Ireland when planted in open ground with good drainage. Supplied in a 9 cm pot, it should be planted out once risk of prolonged waterlogging has passed.
Traditional & herbal uses: A renowned root tonic in traditional herbal practice, Astragalus is widely associated with immune-strengthening actions, supporting stamina, recovery, and resilience. It is also referenced for fatigue, poor sleep, and as a supportive herb alongside long-term health treatments.
Maintenance & harvesting: Astragalus benefits from minimal feeding and thrives in lean soil. Keep weeds down during its first year and avoid heavy mulching around the crown, which can trap moisture. Roots are traditionally harvested from mature plants at three years or older, when they have developed sufficient density and fragrance. Cut back top growth in autumn once it dies back naturally, and ensure winter drainage is good to protect the crown from rot.