Rosemary Topiary - Knowledgebase Question

Chester Springs, PA
Question by shipmom1232
March 20, 1998
I recently saw a weeping Rosemary plant that despite looking a little odd, was really a neat plant. It was about 3 feet in height and was trained up on to a stake. It looked almost like a pine tree of some sort with droopy, hanging limbs--sort of reminding me of a very old man. I went to my garden shop and found they only had hanging ones. wonder if I can stake these up and if so, what kind of care they require. Is it a difficult plant to grow? The fragrance was wonderful and I understand it also flowers. How often and when does it flower?


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Answer from NGA
March 20, 1998

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The best thing about rosemary is it's a really tough plant. It will tolerate a wide range of growing conditions from hot sun to coastal fog to occasional cold snaps. Some cultivars are taller than others, some have upright branches, and some have a spreading habit. You can grow rosemary in a container and train it into the shape you prefer. You can even make a topiary by pinching out all but the center stem and then forcing it to become bushy on top. Here's some specific information on cultivars; choose the one that will best fit your purpose. 'Collingwood Ingram' grows 2 to 2-1/2 feet tall, spreads to 4 feet or more. Branches curve gracefully, and it has rich, bright blue violet flowers. 'Corsican Prostrate' has arching, spreading habit to 1-1/2 feet tall. 'Majorca Pink' is an erect shrub 2 to 4 feet tall with lavender pink flowers. 'Prostratus' is a dwarf rosemary, growing about 2 feet tall with a 4 to 8 foot spread. This one will hang from a basket or trail over a wall. Most rosemary plants flower in winter and spring, with occasional repeats in the fall. It's an easy plant to grow; give it a try!

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