By Polnic
United States 
Do I have to dead head 'Scabiosa Burgundy Bonnet'?
Many thanks Polnic
12 Aug, 2012
Answers
No you dont have to, but you will prolong the flowering period if you do, also this one is good for dried flower arrangements
12 Aug, 2012
I would've thought it was good gardening practice to dead head any plants where the seed is not wanted for propagation or for display.
12 Aug, 2012