Shamrock is a perennial herb. The plant is low and 30 ~ 40 cm high. Taproot, the root has the characteristics of symbiosis with rhizobia, and the root has strong tillering ability and regeneration ability.
Shamrock is native to southern Asia Minor and Southeast Europe. It is widely distributed in temperate and subtropical high-altitude areas. It can be planted in other parts of China except South China.
Shamrock has strong cold resistance. When the temperature drops to 0 ℃, some old leaves wither and yellow, and the leaflets on the main root cling to the ground and stop growing, but still remain green. Therefore, the green period is very long. It has no strict requirements on soil, can adapt to various soil types, and grows well on acidic soil. Like warm, sunny and well drained environmental conditions.