Sorry about your greenhouse. I moved mine inside about a month ago to the sunroom, east side. Some are doing well, new leaves and some have died. I can peek for roots because they are in clear plastic cups. Since you are in No. CA, that is probably the rainy season, so maybe you don't have to worry about humidity. I got a humidifier but have the register partly blocked and a large surfaced plastic container of water in front of it, decided I don't like to mess with it every day. I'm bottom watering the cuttings until I pot them up. I lost a couple in the process, one seemed to languish, never lost its leaves and is now putting out new ones. I brought a huge potted Chicago Peace Rose in last year and had three gorgeous blooms in January and lots of new growth; it was used to full sun. I didn't do anything about humidity, and tried not to give it too much water. It was well established, though, so that is different. If any of my cuttings make it through the winter (they should all be potted or dead by spring), I will have to gradually harden them off outside.