Makes a great small to medium sized hedge. The key to reviving a dying hedge is regular attention over a long time span. Similar symptoms occur on buxus or box, which is usually grown as a hedge or topiary, however tis is usually caused by a fungal disease generally known as Buxus Blight. Several types of hedge plants such as Corokia, Syzygium, Camellia, Ilex, Manuka and Citrus can be attacked by scale insects. Planting Distance: 30cm . Cotoneaster pruning is different depending on the type of plant you have in your backyard, although the goal for all varieties is to follow its natural form. Root rot most commonly becomes a problem after trees have been water stressed. Hedges can be planted in a single row or a staggered double row (useful if a really dense hedge or windbreak is required). Corokia x virgata ‘Silver Ghost’ Q – As a beekeeper I am keen to promote plants which provide good nectar and pollen either early or late in the season. For more info on Buxus Blight click here. Prevention. Corokia What plants would you suggest? COLUMN: This week I continue my series on great native plants. In a rush? (Corokia virgata) This form of Corokia has a nice variegated yellow leaf, meaning it is a good choice to lighten up areas or provide a bold colour for contrast. Disease Symptoms Pathogen/Cause Management; Botryosphaeria canker: Leaves on affected branches wilt and die. Another firm favourite of mine is the karaka. 2m x 1.2m For medium-sized hedges, such as escallonia, plant about 60cm apart and for bigger hedges, such as Portugese laurel, plant at 1m. Buying your hedge plants Many scale species are heavily attacked by parasites and this may be sufficient to keep populations down to acceptable levels. Height: 0.2-1.5m. Where chemical control measures are necessary, we use the same pesticides as for psyllid control. Your initial attempts to address the issues might require some hard work, particularly if you have to prune a lot of the plant, or even replace them, and making changes to the soil structure to deal with drainage will get you sweating. Colour will be best in full sun. Foliage: Mid Green, 5mm long, very dense. Speed of Growth: Fast. The hedge is more than 10 years old, and age, combined with two very dry summers, are likely to have made it more vulnerable to pests. Best in full sun. Spreading Cotoneasters, Cotoneaster divaricatus are erect, deciduous, rounded shrubs that grow 5-6 feet tall and up to 12 feet wide. Here is a quick guide to pests and diseases that Rhododendrons can be prone to. Lonicera Nitida is an attractive option if you need a small dense hedge quickly. Looks relatively similar to Box hedging and great as a formal hedge. Branches die back and become covered with … For smaller hedges, such as buxus, plant approximately 25cm apart. They are easily maintained by careful pruning to create excellent hedge plantings. Its brown leaves make it an excellent backdrop for bright foliage plants, such as Phormium Evening Glow, Phormium Jester and Libertia Taupo Blaze, or it can be planted among river stones or in containers. If you want to learn how to prune cotoneaster, you?ve come to the right place. Their glossy, 1" leaves are very dark green and turn orange and red in the fall. Trim for shape and size. Rhododendron are evergreen, flowering from late autumn to early summer. Click here for tips on cutting back cotoneaster. This hybrid native corokia, with its twisting, wiry, interlacing branches and small leaves, is excellent as a hedge and in a border. Pruning to create excellent hedge plantings plants such as buxus, plant 25cm! May be sufficient to keep populations down to acceptable levels here is a quick guide to and... And great as a formal hedge how to prune Cotoneaster, you ve! 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