It won't stand for cut flowers (10)

I believe the answer is:

jardiniere

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for jardiniere that I've seen before include "flowerpot" , "Decorative plant pot" , "Ornamental stand for plants" .)

I've seen this clue in The Globe and Mail.

Want a hint initially instead of a full solution? Install my app