Cautions. Any risk factor for hemorrhage (eg, subacute bacterial endocarditis, blood dyscrasias, menorrhagia, dissecting aneurysm, major surgery, spinal anesthesia, hemophilia, GI ulcerative lesions, liver disease, impaired hemostasis).
How to Grow Rosemary â Harvesting. You can start to harvest your rosemary when it is 4 to 6 inches tall. However, do not prune it excessively until it is at least 8 to 10 inches tall. You can use rosemary directly out of your garden to add fresh seasoning to almost any dish.
Harvesting rosemary is simple and intoxicating. Just brushing your hands across the plant will release an intense fragrance. To pick rosemary, simply use shears or a knife to cut stems from the plant. You can cut the stems near the base of the plant or cut ones closer to the top.