Pollen and Mold Center
GRASS family (Gramineae family)
Get readings about Grass aeroallergens.
Grass pollen is dominant in the summer.
Some grasses in Missouri:
- Orchard Grasses (Dactylis)
- Blue or June Grasses (Poa)
- Fescues (Festuca)
- Brome (Bromus)
- Redtop (Agrostis)
- Rye (Secale, Lolium)
- Timothy (Phleum)
- Grama (Bouteloua)
- Sorghum (Sorghum)
- Crab Grass (Digitaria)
Facts about grasses
- Grasses are a large and diverse plant with 8000
species in 500
genera found all over the world. 1200 species are native
to North America.
- Bamboo, wheat, and corn belong to the grass family.
- Grasses do have flowers, but they are small and lack showy petals.
- Most grasses depend on wind to
pollinate. Many species shed their pollen in early
morning.
- Some grass species, like wheat, have become self-pollinated.
- Orchard grass season is from May to June.
- The Blue or June grasses season is from May to July.
- Fescues season is from May to July.
- Brome season is from May to August.
- Redtop season is from May to September.
- Rye season is from June to July.
- Timothy season is from June to July.
- Grama season is from July to August.
- Sorghum season is from July to September.
- Crab season is from July to November.
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