All 89 bee plants
Crocus pollen
Crocus spp.
Orange to orange yellow, in the orange range.
FloweringFebruary to March
PollenGood
NectarYes
SeasonWinter, Spring
WhereGarden
Bees pile it on during the first warm days of the year.

Easy to mistake for these
Closest pollen colours in our set, measured the same way the pollen identifier scores a match. Colour alone will not settle it, so check the flowering months and what is actually growing near your hives.
Out at about the same time
Saw a load like this going in?
Sample the colour against all 89 plants, then keep a forage record per hive.