The wind has come a-chuckling
Through the autumn trees.
The leaves are all a-tremble
For fear of any breeze.
Just a tiny puff of air
Can cause them each to fall,
And in a little while
None will be left at all.
Thus autumns’ gracious colour
Will lie at each trees’ feet,
As branches brown then wait
Winters’ icy grip to greet.
from heart to head 
Lovely Mum. Had a mini leaf storm here on the weekend, and I rushed out video in hand, but by then it was all over.
Yes, as with poems, they can be gone in a flash. I saw the leaves floating down from next door’s tree and the poem started happening as they fell.