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Very pretty.
I googled propagating butterfly bushes, and it appears that most people just stick them in the ground and they grow. ♫ Isn't it ironic? Don't ya think? ♫
Well if all else fails they are cheap to buy.
Russ
I am in Plant Propagation class right now at WSU. you all got me curious and i opened up my plant prop textbook. FYW Hartmann and Kester's Plant Propagation: principles and practices. 8th. is the best textbook i have bought so far. it has soooo many different ways to sexually and even more to asexually propagate plants. its better than any book you will find in your bookstore.
on that note if your butterfly bush is also known as Buddleia spp. then seeds are easy to start in greenhouse in spring, no pretreatment, but not genetically true by seed.
"Generally propagated by softwood or semi-hardwood cuttings taken in the summer, they are then treated with 8,000ppm IBA rooting hormone and rooted under mist. it is also micropropagated.
there you go. they are not the easiest to root according to the book. your hormones might not be strong enough or the right type or you are using the wrong cutting of wood.
It was kind of funny how others do almost nothing and get good results.
Some people pin the living branch down and wait for roots.
Some people put in water and ignore, some use pro? or moss
Some people used rooting hormone some not
Some use soft new cuttings, other insist on pencil sized hard branch segments
Some people mist, water or not water
Some people say up to 100 days for roots, others grow small trees in 3 months
Some people say collect cutting in summer, some say spring or anytime
Sounds like everyone but myself and broodytood can do this
I think it seems unlikely that I'll have great results with winter wood, after cutting and letting them lay on the ground for a few weeks, but who knows, nothing ventured nothing gained. When I was picking up the branches and filling the yard waste bin the new growth was still looking strong. They lost all green in the Thanksgiving week storm/freeze. I'll retrim and try.
Do you think using miracle grow would be beneficial? I have lots. In the water or on the foliage?
I'm leaning towards half in water, half in damp moss with rooting hormone.
Russ
There were still lots of seeds in the flower heads when I cut them. If I can find more I'll save for spring. And yes it is the Buddelia Davidiia.