When to plant Cotoneaster?
Best month and method — Cotoneaster franchettii
Plant your cotoneaster in March, April, October and November — the optimal month is usually October.
The next planting window is October.

Spacing
50 cm
≈ 4 plants
For an X m² border, calculate: X × 4 plants.
Step by step: plant cotoneaster
Cotoneaster franchettii tolerates a wide range of conditions, making it straightforward to establish. Plant container-grown specimens in March, April, October or November, avoiding frozen or waterlogged ground. Choose a site in full sun or partial shade; flowering and berry production will be heavier in sunnier positions, but the plant copes well with some shade. This cotoneaster is unfussy about soil. It thrives in loam, clay, chalky or sandy ground, provided drainage is reasonable. On heavy clay, fork over the planting area and incorporate grit or coarse organic matter to improve structure. Dig a hole roughly twice the width of the root ball and the same depth. Place the plant so the top of the root ball sits level with the surrounding soil—planting too deep can lead to stem rot. Backfill with the excavated soil, firming gently with your heel to eliminate air pockets. Water thoroughly after planting, even if the soil feels moist, to settle roots in. For hedging or informal screens, space plants 50 cm apart; for specimen shrubs, allow at least 150 cm between centres to accommodate the mature spread of 150–300 cm. Apply a 5–7 cm layer of well-rotted compost or bark mulch around the base, keeping it clear of the stem itself. This conserves moisture during the first growing season and suppresses weeds. Cotoneaster franchettii has low water needs once established, but water weekly during dry spells in the first summer. Staking is unnecessary; the shrub develops a sturdy, arching framework naturally.