Prajna.

also known as the beautiful planet, native to central Mexico. Happy warm
dry
sunny environment. More resistant to cold, drought and strong light. Requires well-drained, lime-rich sandy loam. Winter temperatures are not less than
5 degrees Celsius.



Reproduction:


commonly used for seeding and grafting. Sowing, often in may-June indoor pot planting after 5-6 days germination, live seedlings 8-10 years can flower. Grafting, in June-July, with a scale or flower ball as birch. Sow small seedlings as a spike, graft seedlings 3-4 years can flower.

Cultivation:


potted soil needs to be rich in lime, drainage is good. Generally 2-3 years to change pots 1 time. Long-term sunshine and moderate watering. If you grow faster, fertilize 1 time a month. There is a dormant period in winter, when the pot soil should be kept slightly dry. If the roots are found to rot, the plant can be pulled out, dried and then inserted into the sand basin, to be regenerative after potted plants.

Pests and diseases:


commonly occurs in the area of brown ball disease and anthrax hazards, sprayed with 75% bacteria can be wet powder 800 times liquid. Pests are harmful to shellworms and red spiders and can be sprayed with 40% lego oil 1000 times liquid.

Application:


cylinder-shaped, in the origin of the plant height of up to 2 meters, stem weight of 30 cm, life span of 150 years. Coupled with silver-white star-shaped hair and small scaly hair covered with stem surface, very beautiful. Spring flowering, yellow flowers are large and beautiful, constant flowers open together, very strange. Do more potted plants to see, quite a mountain stone bonsai style.