Does it matter?

[Magicboy]

Does it matter if the flower is newly opened or has been open for 2 weeks when you make the crossing of 2 plants?

 

[Hien]

Does it matter if the flower is newly opened or has been open for 2 weeks when you make the crossing of 2 plants?

The professionals said it does matter.

 

[NYEric]

Apparently w/ phrag besseae the pollen loses viability [fertility?] after a few days.