Pollen calendar - guide to common allergenic pollen

Ryegrass


Ryegrass
Lolium perenne
Ryegrass
Erect appearance 1.2m. Stem has alternating spikelets attached around and directly to the stem. Each spikelet is closely applied to the stem but as it matures it becomes right angled to the stem. The leaves are shiny and hairless and the stems are smooth. Rye grass is sown as a pasture grass but it is also a volunteer on roadsides and nature strips. It may be in lawn seed mixtures.
Calendar 3