Roses are red.
Roses are blue.
Depending on their velocity
relative to you.
@dgar Apparently this little ditty was via my paternal grandmother, whom I never knew:
Roses are red.
Violets are blueish.
If it wasn't for Jesus
We'd all be Jewish.

@peemee @dgar
One I remember:

Roses are red.
Violets are blue.
Orchids are expensive:
Will dandelions do?