I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
That varies between species and even between varieties sometimes. Some roses for example root in 2 weeks while others take a month or more. Conditions in the rooting chamber (moisture, temperature, etc.) and whether or not you use a rooting hormone also affect speed of rooting.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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