It is never too late to pick a pencil, if you know how to write, then you already know how to draw.
Agreed, in fact greenery usually takes good advantage of random wiggly line work.
I wish I could gift myself those too 
, although I think I’ll try more traditional watercolor painting first, see how that goes. 
Also, you were there before saying you didn’t know a thing about watercolor and look at what nice examples you made there.