How to Prune Philadelphus × polyanthus?
Cut flowered growth back to strong young shoots below, removing up to a fifth of old stems near the base each year. Prune immediately after flowering.
Philadelphus × polyanthus · Pruning
Philadelphus × polyanthus · Philadelphus × polyanthus
Grow in moist, well drained soil in sun to partial shade. Plant bare root plants in winter when the ground is not frozen or waterlogged. Incorporate lots of well-rotted manure or garden compost to improve the soil and water in well. Mulch in spring
Watering: Moderate deep watering during dry periods, free drainage preferredSunlight: Full sun · Partial shadeInformation to be completed