By Sheald
United Kingdom 
When should you prune a lupin that has flowered
12 Jun, 2016
Answers
When most of the flowers in a stem have died off I usually cut the whole stem down and often you get other flowers, smaller spikes but still pretty.
12 Jun, 2016
Thanks to all
15 Jun, 2016
When the flowers have died. Cut the flower stems right back and you'll often find that more blooms will appear.
12 Jun, 2016