When to plant Bugbane 'Brunette'?

Actaea simplex 'Brunette' thrives in partial shade or full sun, though in hotter, sunnier spots it benefits from afternoon shade to prevent leaf scorch. Choose a position with loam or clay soil that retains moisture without becoming waterlogged. Before planting, dig in plenty of organic matter—well-rotted compost or manure—to improve soil structure and moisture retention, especially if your soil is on the lighter side. Plant between March and May or in September and October, avoiding periods of frost or drought. Dig a hole roughly twice the width of the root ball and deep enough so the crown sits at the same level it was in the pot. Space plants 60 cm apart to allow for their mature spread of 50–60 cm and to ensure good air circulation. Actaea simplex 'Brunette' forms a substantial clump over time, so give it room to develop. After planting, firm the soil gently around the roots and water thoroughly to settle the plant in and eliminate air pockets. Apply a 5–7 cm layer of organic mulch—leaf mould, composted bark, or garden compost—around the base, keeping it clear of the crown itself. This mulch conserves moisture, suppresses weeds, and gradually enriches the soil as it breaks down. Water regularly during the first growing season to help the roots establish, especially in dry spells. Actaea simplex 'Brunette' is fully hardy (zone 3–8) and will tolerate cold winters once settled, but young plants appreciate consistent moisture in their first year.