Penstemon calycosus – Smooth Beardtongue

Botanical Family: Plantaginaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Semi-tectate

Size (um) 25

Shape Round

Pollen Color Green, Tan

Honey Bee Resources

Pollen Source

Nectar Source

Lobelia inflata – Indian Tobacco

Botanical Family: Campanulaceae

Bloom Time  June – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color Tan, Dark Yellow

Honey Bee Resources

Pollen Source

Nectar Source

Liatris spicata – Blazing Star

Botanical Family Asteraceae

Bloom Time July – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 26

Shape Round

Pollen Color Light Yellow, Yellow, Tan

Cirsium arvense – Creeping Thistle

Botanical Family Asteraceae

Bloom Time July – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 46

Shape Oval

Pollen Color Tan, Light Green, Green

When plentiful, thistles can yield a summer honey crop which is reported to be white with a mild, delicious flavor.

Resources

Sammataro, D. and Harman, A. (2013). “Major Flowers Important to Honey Bees in the Northeast and Mid-Atlantic States”. AlphaGraphics, Tucson, AZ.

Cornus mas – Cherry Dogwood

Botanical Family Cornaceae

Bloom Time March

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Psilate

Tectum Eutectate

Size

Shape Round

Pollen Color  Tan, light yellow

Honey Bee Resource

Pollen Source • •

Nectar Source • •