By the end of summer youll have baby plants to over-winter and plant out the following spring. Fill a spray bottle with water and mist cuttings daily so soil doesnt dry out. How To Propagate Rosemary 2 Key Tricks Tastylandscapetastylandscape Seal it and keep it in a shady spot to prevent wilting until you are ready to root the cuttings. Can you grow a rosemary bush from a cutting . In 2-3 weeks test for root growth by gently tugging on cuttings. If youre just starting out. The best time of the year to do it is in late spring to early summer when your rosemary has new growth at the tips. Extra Plants for Free. The best time to do this is in the late spring but if you live in a warmer climate this can be done during early autumn as well. The cuttings taken at the top of the stems will certainly be more fresh and softer in spring and summertime which may result in faster root growth. Today on Wisconsin Wonder Garden you will learn how to take cuttings from your Rosem