From the ArcaMax Publishing, Gardening Newsletter:
http://www.arcamax.com/news/gardening/s-156752-419774
Question: I want to plant my own flowers to dry for use in crafting.
Can you name approximately 5-10 commonly used crafting flowers?
Answer: Here are a few to start you off: Yarrow (Achillea
fillipendula), Cockscomb (Celosia cristata), Chinese Lantern (Physalis
alkekengi), Globe Amaranth (Gomphrena globosa), Starflower (Scabiosa
stellata), Heather (Calluna vulgaris), Love-lies-bleeding (Amaranthus
caudatus), Strawflower (Helichrysum bracteatum), Honesty (Lunaria
annua), and Immortelle (Xeranthemum annuum).