When to plant Common peony?

Paeonia officinalis thrives in full sun or partial shade, though flowering is most abundant with at least six hours of direct sunlight daily. Choose a sheltered spot where the plant can remain undisturbed for years—peonies resent being moved once established. The soil should be loam or clay-based, moisture-retentive but well-drained; waterlogged conditions in winter will rot the fleshy roots. Before planting, dig a hole roughly 40 cm wide and deep, incorporating plenty of well-rotted manure or garden compost into the base along with a handful of bonemeal. Plant bare-root divisions or container-grown specimens between September and November, when the plant is dormant. This timing allows roots to settle before winter and ensures strong growth the following spring. Position the crown so that the dormant buds (eyes) sit no more than 2.5–5 cm below the soil surface; planting too deeply is the most common reason peonies fail to flower. Space plants 80 cm apart to allow for their mature spread of 60–90 cm and good air circulation. After planting, firm the soil gently around the roots and water thoroughly to settle everything in. Apply a 5 cm layer of well-rotted compost or leaf mould as mulch, keeping it clear of the crown itself to prevent rot. Newly planted peonies may not flower in their first season—this is normal. Stake the plant in early spring if your site is exposed, as the heavy blooms can cause stems to flop, especially after rain. Avoid disturbing the roots once planted; established clumps can live for decades in the same spot.