"These grasses start to germinate when soil temperature gets to about 50 or 53.
(These grasses; start; ) (These grasses; to germinate; T:when soil temperature gets to about 50 or 53) (soil temperature; gets; to about 50 or 53)
These grasses These grasses soil temperature
start to germinate gets
T:when soil temperature gets to about 50 or 53
to about 50 or 53