A. Always pick flowers in the early morning or in the evening
B. Always carry cut flowers heads down to ensure their freshness for a longer period
C. If you have freshly picked flowers and want them to be preserved for a longer period plunge them in a bucket or sink of water right upto their heads
D. The flowers will remain fresh for a longer period of if you put their stems embedded inside a potato frustum
E. All of the above
The correct answer to the question: "Guidelines about gardening are:" is "All of the above ".
