Nectar Flow Calendar 2025 Pennsylvania. Late november and december are the best times to plant trees. Nectar flow is the period when flowers produce nectar, which is the primary source of carbohydrates for bees.

Preparing your hives for changes in temperature and shifts in the weather — before they happen — is crucial for raising healthy,. Record unusual pollen colors seen on bees or in the hive, using pollen color charts for identification.