Given the right conditions, rosemary plants thrive, eventually reaching heights of 6 to 8 feet. They grow out as well as up, sending out stems that seem determined to explore their surroundings and invade the space of adjacent plants. Rejuvenation pruning of rosemary may be needed. A mature rosemary plant, however, tolerates this drastic pruning, even into the woody parts of the stem. When pruned in winter, the plant grows back in spring looking better than ever. Read on to find out how to rejuvenate a rosemary shrub. Note : For most people who grow rosemary, the plant will go through a cold period. That being said, for those of us NOT living in such areas, stick to spring pruning after the threat of frost has passed. The first step in rejuvenating rosemary plants is to determine the size at which you want to maintain the plant. Cut the shrub back to about half of the desired size, and by the end of spring it will fill the allotted space.

Rejuvenating Rosemary Plants
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Free 7 day trial — no credit card required. Rosemary is a perennial evergreen shrub with blue flowers. Rosemary is ideal for a rock garden or the top of a dry stone wall.
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You don't need an herb garden to grow rosemary. A single plant in a pot will provide you with enough rosemary to flavor your cooking and scent the kitchen. However, if you live in an area where rosemary thrives, you could have entire hedges of the plant.
Oh yes siree, rosemary is wonderful! I moved to Arizona a couple of months ago and just had to do a video and post on this ginormous plant before I left. The forms that it comes in are upright, ground cover or trailing and a combo of the 2.