This Syzigium is a lovely compact, dense grower which requires very little pruning to maintain a narrow habit, making it ideal for screening and hedging in tight spaces. If youre looking to propagate your Austrian pine tree, its a relatively simple process. Pine trees that present a danger to livestock include ponderosa pine ( Pinus ponderosa , zones 3-7); lodgepole pine ( Pinus contorta var. Plant in full sun, grows best in a free draining soil rich in organic matter. Protect from frost and drying winds to prevent issues.