Begin by removing one-third of the large, old stems at ground level in late winter/early spring (March or early April). Pittosporum grows up to 3.6 m (12 feet) in height with lush, fairly dense green foliage. It can spread up to 5.4 m (18 feet) wide. Pittosporum tolerates fairly aggressive pruning. Prune in February. Avoid cutting the leader, or the vertical stem at the very top of the trunk, on a young tree. Pittosporum: A Field Guide. Rejuvenation pruning is the removal of old, overgrown limbs so that the plant can grow new, vigorous branches in their place. For planting in a pot, using a good quality light potting mix is optimal. The following year (again in March or early April), prune out one-half of the remaining old stems. Use bypass pruning shears for branches up to 1/2 inch in diameter, long-handled lopping shears for those from 1/2 to 1 1/2 inches, and pruning saws for larger branches. However, pruning your pittosporum keeps it manageable and compact. We want to lower it, most likely by at least a third of â¦ Got a pittosporum whose top is reaching the guttering of our house, which must be a good 20ft or more high. Pittosporum (Pittosporum spp.) Prune Pittosporum. Garden center customers frequently come to me with questions like, âshould I prune mock orange that didnât flower this year.â My answer is: yes. From compact, dwarf varieties to shrubs growing up to 40 feet tall, pittosporum can be used as a specimen plant, part of a foundation planting, as a hedge or a screen. The plant handles pruning well. Hi Lester. One method is to prune them back over a 3-year period. You can view today's paper or previous issues. Proper pruning can renew or rejuvenate overgrown, deciduous shrubs. Severe pruning will stimulate an explosion of new growth, and your pittosporum will grow back thicker and more bush-like. Evergreen shrubs (or small trees), pittosporums are an excellent alternative to boxwoods in warm climates. Youâre working in a very risky situation. Fast growing and uncomplaining, pittosporums respond well to clipping, shaping, pruning, and training of nearly any sort. He has a First Class Bachelor of Arts (Hons.) I've got a varigated pittosporum that was about the same size and I had to make a similar decision a few years ago. Hard pruning involves cutting the shrub off to a height of 6 to 12 inches (15 to 30.5 cm.) above the ground and allowing it to regrow. Prune back any crossing branches or branches that grow in toward the middle of a young tree, and cut off lower branches on the trunk as the tree grows to raise the crown. Plant Pittosporum outside near a sheltered position so that it is not subjected to warm and cold currents or wind. Plants that require rejuvenation can be hard pruned or pruned gradually. Prepare their soil deeply and carefully, and theyâll start producing a couple of years later. Based near London, U.K., Peter Mitchell has been a journalist and copywriter for over eight years. I gave it an extremely severe prune in mid-summer (so hardly ideal timing) but left about 4 branches unpruned so it still had some leaves. Some pittosporum branches tend to sprout in irregular shapes. Step 3 Snip off the tips of the new shoots with your pruning shears once they reach 6 to 12 inches, to force them to branch out. For the overall general health of the shrub, mock orange pruning should be done once a year, not just when it doesnât bloom or has gotten overgrown.
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