Drying flowers

If you have ever considered raising flowers for your own designing needs the following are perennial and very easy to do.
Achillea-coronation gold or the pearl, aconitum, alchemilla, artemesia, astilbe, tansy, delphinium, echinops, gypsophila, hydrangea, lavender, lunaria, liatris, german statice, sea lavender, peonies, poppy pods, roses, solidago, stachys, centaurea, catananche.
All can be dried successfully by hanging upside down in a hot, dry, dark environment.