This is a skill that is developed – learned over time. 

Depending on the time of season and what is connected by way of seasonal change, like amount of rain at critical times, what floral sources are available and a knowledge and understanding of all things botanical, particularly what flowers and when it yields like in relation to temperature.  Whether it is windy or still, how it reacts to rainy weather. Different floral sources react differently to different seasonal conditions.

It is so important to have a variety of pollen producing plants so as you c