Avoid over-fertilizing as this promotes too much vegetative growth and reduced flowering 1
There is a need to remove dead shoots that inevitably become apparent 1
Periodic rejuvenation by cuttings plants to the ground is beneficial 1
Suckering habit can be a problem and unwanted suckers should be removed soon after noticed.
Grow in average medium moisture, well drained soils, in part shade. Prefers loamy soils that are moderately fertile. Avoid heavy clay soils.3
Usually propagated by division of suckers, dividing the root ball, or layering.
These estimates for how long Japanese rose takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
It is named after William Kerr, who introduced the cultivar ‘Pleniflora’. 2
Japanese kerria, Easter rose, Pleniflora
Kerria japonica (L.) DC.