How to propagate Rhododendron tubulosa

Cutting propagation of Rhododendron tubulosa

The most widely used method of propagation for Rhododendron tubulosa is cuttings. In May and June, you can cut off five to eight centimeters of strong, semi-woody new branches, cut off part of the lower leaves, and keep two to three leaves. The base of the cuttings can be dipped in rooting powder, etc., and after treatment, inserted into air-permeable, fertile acidic soil. Keep the growth temperature at around 20-25 degrees, pay attention to shade and spray water frequently to keep it moist, so as to promote the germination and rooting of the cuttings.

The shoot propagation of Rhododendron tubulosa

When choosing the tender branch propagation method, first select a three to four centimeter tender branch as the scion and use a knife to cut the base into a wedge shape. You can choose Rhododendron as the rootstock for grafting. After the tender branches are split and grafted, place them under a cool shed, tie them with film, and then cover the rootstock and scion with plastic bags to keep them moist.