Adding Perlite to the mix is a good idea. If the branch has a flower bud at the tip just prune off the flower bud. I was originally looking at info about chillies.
A location on the east side of your house, which gets plenty of sunlight, but not direct light, is a good location for your "Knock Out" cuttings. I tried doing my Snowball bush and a Honeysuckle vine over the summer. Now to give it a try!Pink & Red Double Knock Out Roses: Just Look At The Sheer Beauty - You Will Want To Plant Them!
You probably can root it indoors, but then getting it acclimated to the cold weather is tricky, probably have to keep it inside until mid to late spring. Margaret, Any recent flush of new growth can be considered softwood.
Cuttings taken later in the growing season and even into the winter are considered hardwood cuttings. However, softwood cuttings are frail and can fail easily where as hardwood cuttings are tough as nails but it takes them much longer to root. Some people said it did not work for them but all situations are different.
They were beauties! Generally, the earlier the better for a bare-root rose, but steer clear of bare-root roses that have already started sprouting.
In the absence of a soil test, start fertilizing with a liquid fertilizer when new growth exceeds 4 to 6 inches. Those are two plants that work better as hardwood cuttings than they do softwood cuttings.
Some people wound the cutting on one side side which is nothing more than taking a knife and scrapping the bark or outer tissue on just one side of the cutting at the very bottom of the cutting. I have one question. What medium? You can just heel them in with leaves or soil and they should be fine.
I have a good smelling Rose I would like to try Propagation on. As long as the cuttings still look viable, just leave them outside for the winter and you can probably get them out of the bag for the winter. Partial shade would be perfect.