Lucy they bloom right through October or they did the last two years for one and the last 4 years for the other. Course we didn't get frost in September then like they are predicting for this week, so who knows,
Kelly-
oh yes the bees do love them don't they? No I have ever tried collecting seeds of tried cuttings. hmmmmmm let me look once.
Ok, I was looking in my book for success with seeds and they have in here Caryopteris incana. That particular one isn't hardy here,(zones 7 - 9) but I don't see what difference it would make. Do you?
Here is what it says: Best sown indoors at 68-70º and at a depth of 4 times the size of seed. Seeds will germinate in 16-24 days. Can also be sown outdoors from spring (after frost) to early fall (before first frost). Transplant when there are two sets of true leaves.,
I have a Propagation Handbook around here somewhere if I find it I can look to see if they recommend cuttings or root cuttings and when it should be done. That's IF I manage to find it again., I am always misplacing that particular book and forgetting where I put it. I need to start paying closer attention to where I put things. Afore you know I'll misplace my husband.