Some plants are not long lasting. These plants include Cyclamem, Chrysanthemum and Gloxinia. These plants only last a few short weeks. Any plant purchase requires just a bit of research. Read plant labels and familiarize yourself with their particular care needs.
Some plants require moist soil, some a drier soil.
Some require frequent feedings, others do not. Study up on the care and your plants will thank you by producing the prettiest flowers, the greenest foliage. Watch for bugs. Learn to recognize the warning signs of bug infestation. Treat promptly any infestations with appropriate chemical.