Though a few varieties bear showy flowers, tea olive (Osmanthus spp. Osmanthus doesnât need a lot of pruning. The best time to prune Osmanthus is the end of February or beginning of March. Osmanthus pruning tips Osmanthus does not grow particularly rapidly and only really needs pruning if it gets too big, or if it has ugly or dead branches. Group 9: These evergreens are late-flowering and benefit from pruning in April or May. October 2018 edited October 2018 in Problem solving. PRUNING OSMANTHUS. Warning There are two spring-blooming varieties of sweet olive, Osmanthus delavayi and Osmanthus americanus, which should be pruned as soon as the blooms have faded in mid-spring or early summer. Prune after flowering to maintain a compact shape. You can do pruning with pruning shears or hedge clippers and simply shape the shrubs to the shape you would like. However, you may find it necessary to prune if your tree has suffered from some damage. Severe pruning can prevent the shrub from blooming for several years. It is now just under 3 metres tall, conical in shape, due to constant shaping. Generally pest and disease free. Learn how to grow and prune false holly shrub. Tea olive, Osmanthus fragrans, blooms on twigs that grew in the last six to nine months. Mine are six feet tall and bloom in spring and fall. Osmanthus heterophyllus or false holly is an evergreen plant similar to Christmas holly. I now want to reduce the height to about 2 metres. Propagating Osmanthus. Your should prune Osmanthus in early spring. A: Iâd do it after the spring flowering period. Pruning Osmanthus. It likes a well-drained soil enriched with organic matter, such as compost or manure. When you do prune, remove only a few branches here and there rather than cutting indiscriminately, as excessive pruning can prevent the tree from blooming for several years. Pests and Diseases. Prices â¦ When you prune, remove branches selectively rather than shearing. You can remove the lower lateral branches to form a small, multi-trunked tree. Large plants can be kept more manageable by pruning or trimming, once flowering has finished. Pruning too early in the winter can cause the branches to freeze. This is when there will be new growth and you can shape the plant to your desired hedge shape. Seed can be sown outdoors in spring, although cultivars will not come true to type. Group 8: Prune these early-flowering evergreens immediately after flowering rather than sticking to just April. Answer: Sweet olives (Osmanthus fragrans) are large shrubs to small â¦ Grow osmanthus in sun or part shade. These plants are often best left to their own devices in terms of shape. When we prune, do you recommend sealing the cut? Getting started: Osmanthus is readily available at nurseries and garden centres. Q: When is the best time to prune sweet olive shrubs? Do not remove more than one-third of the foliage at one time unless pruning to stimulate new growth on old or misshapen trees. Simply deadhead or remove damaged stems. Roy57 Posts: 6. I have in my garden, what I believe to be an osmanthus x burkwoodi. ), also known as sweet olive, produces blooms that fill a garden with fragrance rather than color. By pruning in spring, thereâs plenty of time for new growth that will perfume the neighborhood. Semi-ripe cuttings can be taken in early summer. -- George Terry. Left unpruned, osmanthus shrubs will actually produce more flowers.