Tuesday 15 February 2011

Pollen Chart


Common name  
Latin name                 Blooming months                  Pollen color  
Acer spp.
Feb - Apr
light yellow
feral
fair

Manitoba Maple 
(Box elder)
Acer negundo
Feb - Apr
light olive
feral
good

Acer platanoides
Apr - May
yellow green, olive
feral
fair

Acer rubrum
Mar - Apr
grey brown
feral

Alnus incana
Feb - Apr
brownish yellow
feral

Castanea dentata
May - Jun
mostly ornamental

Corylus americana
Mar - Apr
light green
feral and ornamental
fair/good

Castanea sativa
May
feral
good

Celtis occidentalis
Apr - May
feral

Chaenomeles japonicaChaenomeles lagenariaChaenomeles speciosa 'Nivalis'Chaenomeles x superba
Apr - May
feral
good

Crataegus spp.
Apr - May
yellow brown
feral
fair

Fraxinus americana
Apr - May

Gleditsia triancanthos
May - Jun
feral

Ilex opaca
Apr - Jun
feral

Juglans spp.
Apr - May
cultivated
fair

Lirodendron tulipifera
May - Jun
feral and ornamental
good

Malus spp.
Mar - Jun
light olive
ornamental

Malus domestica, Malus sylvestris
Apr - May
yellow white
cultivated and ornamental
very good

Platanus occidentalis
Apr - May
light olive
feral

Prunus spp.
Apr - May
light grey, grey
ornamental and cultivated

Prunus amygdalus
Feb
light brown to brown pollen - not considered a good pollen source but bees are the primary pollinator
cultivated mostly in California
fair

Wild Cherry
Prunus avium
Apr - May
yellow brown, light brown
feral
very good

Cherry Plum
Prunus cerasifera
light brown to brown
feral
fair

Sour Cherry
Prunus cerasus
Apr - May
dark yellow
ornamental and cultivated
very good

Peach
Prunus persica
Apr - May
redish yellow
ornamental and cultivated
good

Black Cherry
Prunus serotina
Apr - May
feral
minor

Blackthorn
Prunus spinosa
feral
good

Pear
Pyrus communis
Apr - May
red yellow
ornamental and cultivated
good

Oak
Quercus spp.
May
feral

Oak
Quercus roburQuercus pedunculata
May
light olive
feral
minor

Black Locust
Robinia pseudoacacia
May - Jun
feral

Blackberry
Rubus spp.
May - Jun
light grey
feral and cultivated
excellant

Raspberry
Rubus idaeus
May - Jun
feral and cultivated
good

Willow
Salix spp.
Feb - Apr
lemon
feral
good

White Willow
Salix alba
feral
good

Goat Willow
Salix caprea
Mar - Apr
feral
very good

Violet Willow
Salix daphnoides
Mar - Apr
feral
very good

Pussy Willow
Salix discolor
Mar - Apr
feral and ornamental

Basket Willow
Salix purpurea
Mar - Apr
feral
very good

Silky leaf osier, Smith's Willow
Salix x smithiana
Apr - May
very good

American mountain ash
Sorbus americana
May-Jun
feral

American Elm
Ulmus americana
Feb - Apr
light grey
feral

Winged Elm
Ulmus alata
Feb - Mar
pale yellow
feral
good

Europea field elm
Ulmus americana
feral
good




This pollen chart was originally by www.beesource.com
and
 
http://en.wikipedia.org/wiki/Pollen_source

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