Hardy fruit thrives, and live-stock breeding prospers.
The tea plant thrives and is being planted fairly rapidly on the Black Sea littoral in Transcaucasia.
The hornbeam thrives well on stiff, clayey, moist soils, into which its roots penetrate deeply; on chalk or gravel it does not flourish.
The cacau is at its best in the humid forests of this region and is cultivated in the rich alluvial valleys, and the banana thrives everywhere, as well as the exotic orange and lemon.
Japonica, I to 12 ft., better known as Hoteia japonica or Spiraea japonica, thrives in peaty or sandy soil; its glossy tripinnate leaves, and feathery panicles of white flowers early in summer, are very attractive.