What is the central idea of the text "Gardening/Narcissus"?

A
Narcissus flowers need to be planted in between the months of September and October because they will have time to root before winter.

B
Narcissus flowers are named after a Greek mythological character that was hypnotized by his own reflection.

C
Narcissus flowers can grow in water without any soil, as long as they are of the Chinese Lilly variety and placed in a bowl with some smooth stones.

D
Narcissus flowers can be grown and cultivated at home, and it is not difficult to get them to flower indoors.

D

Narcissus flowers can be grown and cultivated at home, and it is not difficult to get them to flower indoors.