Yachiyo Tsubaki is a large-flowered Japanese tree peony bearing blooms 8–10 inches across in May, lightly fragrant. It holds a woody framework year-round and matures slowly into a shrub 5–6 feet tall. Plant where it receives morning light and afternoon shade; full sun scorches the foliage. Water deeply but infrequently, letting the soil dry several inches below the surface between waterings — soggy roots are the primary cause of failure. Feed with composted manure in spring and fall. Hardy in zones 4–9 and drought-tolerant once established. Watch for botrytis in wet springs and remove grey-moulded tissue promptly.
Supplied as a two to three year old bare-root plant, trimmed for shipping.
🍂 Shipping & planting window
Peonies ship in fall (September–November) when fully dormant and bare root.
Fall planting gives roots a full season to establish in warm soil before winter. Cold stratification triggers strong, healthy spring growth and reliable bloom production. Spring-shipped peonies experience root damage during active growth, transplant shock during their bloom cycle, and often lose an entire growing season.
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