Following steps can be followed to cultivate Hasnahena flower:

 Choosing seeds:

Get good quality Hasnahena seeds.  Obtain from nurseries or your local market.

Germination of seeds:

Cover the seeds in a water-soaked paper before planting, so that the soaped seeds help in germination.

 Suitable Location:

Hasnahena flower thrives well in high sunlight, dry soil and good shade.

Special Care: 

Chances are not high when seed is sown, but seed arrival is the main factor.  Be sure to take care that the seeds are sown well.

 Selected Rooftops: 

Beautiful and high rooftops are required to reach Hasnahena.

 Soil Care:

Good soil helps to provide adequate nutrients.  Organic compost or food crops can be used to increase organic fertility in the soil.

Safe Irrigation: 

Provide safe irrigation for Hasnahena flower growth, to keep the soil straight.

 Remember these steps and succeed in cultivating Hasnahena flowers.