Manual Growing lights
conditions, it takes up to 60-90 minutes for the last foraging bumblebee to return to the
hive. Under low light conditions, this time increases up to 120 minutes [...] equipped with a blue hive door (in the visible spectrum for bumblebees) and
has a special, flower shaped, UV pattern around the entrance of the hive to help the [...] hives if they are behind a sidewall screen (see figure 2.1).
Figure 2.1 Take into account the angle of the sun and the presence of a sidewall screen for placement