"Use grassy."
Yes. That is a complete sentence.
The sniper who shot President Kennedy was proved to have been at the grassy knoll.
The horse had trotted across the grassy field.
Adjectives describe nouns. The adjective in that sentence is "grassy", and it's describing the noun "smell".
The farmland was wide and grassy.
Let's have a picnic on this grassy knoll. The knoll provided an shaded viewing area for the parade. This knoll is higher than that knoll.
The horses galloped across the vast prairie, kicking up dust in their wake.
Conspiracy theorists believe that a second shot came from the grassy knoll.
"ran"
Go let the cow graze in the grass.
Usually in grassy or watery areas.
you get a Pokemon that knows sweet scent and use it in a grassy patch
A marsh is a kind of swampy place that looks like a grassy field til you step in it and find yourself up to your knees [ or worse] in water. Don't go walking near a marsh at night.