In April, a little over 60% of the pollen found in my beehives comes from maple, cherry, plum, or apricot trees.
Microscopic Images at x800 Magnification
Cherry or plum (Prunus species or hybrid), 4/23/23
Bigleaf maple (Acer macrophyllum), 4/25/23
Vine maple (Acer circinatum), 4/26/23
Common camellia (Camellia japonica), 4/3/21
Willow (Salix species), 4/3/21
Apple (Malus species or hybrid), 4/30/23
English cherry laurel (Prunus laurocerasus), 4/23/22
Pear (Pyrus species), 4/8/22
Dandelion (Taraxacum officinale), 4/3/21
Unidentified maple, 4/29/23
Maybe purple Norway maple (Acer platanoides 'Crimson King')
Spanish bluebell (Hyacinthoides hispanica), 4/20/21
 Oregon grape (Berberis aquifolium), ,4/7/22
Skimmia (Skimmia japonica), 4/3/23
English holly (Ilex aquifolium),, 4/30/19
Forsythia (Forsythia hybrid), 4/12/21
Osoberry (Oemleria cerasiformis), 4/13/23
See March page for a better image
Grape hyacinth (Muscari armeniacum), 4/2/21
Western skunk cabbage (Lysichiton americanus), 4/8/22
Pacific or eastern dogwood (Cornus nuttallii or florida), 4/29/21
See May page for a better image
Scale