Aerial Roots Ficus Bonsai

Airlayering the method you were describing a ficus can be done easily as long as the soil in your floating pod isn t allowed to dry out and not kept too wet.
Aerial roots ficus bonsai. Ficus grown as a bonsai do not often create aerial roots. Many ficus species produce aerial roots roots that form on the trunk and branches well above the soil. Lucky growers in the tropics with high humidity and constant warmth have no problems in developing aerial roots. The most well known large trees with aerial roots are in the ficus family.
Circumstances that stimulate aerial roots. Ficus grown as bonsai in non tropical regions do normally not grow under circumstances that facilitate the development of aerial roots. Plants that can form aerial roots include pandanus metrosideros ficus schefflera brassaia and the mangrove family. Of the 1000 or so ficus species there are some that will readily form.
In bonsai culture encouraging aerial roots involves techniques to keep the bark moist and to maintain high humidity. When you observe trees carefully you quickly notice the circumstances under which aerial roots develop.