Vol. 15

Title:
PROGRESS REPORT ON THE ROOTING OF JAPANESE MAPLES

Author:
Bruce A. Briggs

pp: 343-344

Abstract:
We will attempt, with the aid of some colored slides, to cover the highlights of our experience during the last eight years or so on the rooting of the many forms of palmatum maples.

Soil Mixes: Our first work was with the same mix used for Rhododendron cuttings, 50% each of sand and peat. The rooting was good, but we had trouble hardening them off for winter. We then tried many other soil mixes, such as saw dust, charcoal, pumice and perlite, looking for one which would give good drainage when the cuttings are set outside for the winter.

Perlite offered many advantages such as drainage, sterility, lightness, and obtainability. However, with perlite alone, the maples failed to root. This was also true with Rhus cotinus ‘Royal Purple’ cuttings tried the same year. This year we did root Rhus cotinus, R.P., cuttings in perlite alone, but under heavy mist.

At the present time, we prefer a mixture of some 40 to 50% peat and Sponge Rok, #3 medium. This mix gives lots of air and drainage.

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