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Prunus × cistena ( N.E.Hansen ) Koehne Prunus × cistena , the purple leaf sand cherry or dwarf red-leaf plum , is a hybrid species of Prunus , the result of a cross between Prunus cerasifera (cherry plum or myrobalan plum) and Prunus pumila (sand cherry). [ 1 ]
Renewal pruning. Spur pruning: Spur bearing varieties form spurs naturally, but spur growth can also be induced. Renewal pruning: This also depends on the tendency of many apple and pear trees to form flower buds on unpruned two-year-old laterals. It is a technique best used for the strong laterals on the outer part of the tree where there is ...
Dimensions shown are the maximum, which can often be restricted by regular pruning. Many cultivars also lend themselves to bonsai treatment. A note on species names; where only Prunus is indicated, the species or hybrid name is unknown or conjectural.
The best time to prune a lemon tree is right after all the fruit has been harvested, which can vary depending on your USDA zone. However, it typically happens in later winter or early spring.
Some of the following fruit tree forms require training by tying the branches to the required form. Most also require pruning to retain the desired structure. However, not all types of fruit tree are suitable for all forms; apples and pears do well as cordons and espaliers, for example, whereas cherries are better suited to the fan form.
Prunus is a genus of flowering trees and shrubs from the family Rosaceae, which includes plums, cherries, peaches, nectarines, apricots and almonds (collectively stonefruit).The genus has a cosmopolitan distribution, [4] being native to the temperate regions of North America, the neotropics of South America, and temperate and tropical regions of Eurasia and Africa, [5] There are about 340 ...
Prunus × cistena (purple leaf sand cherry), a hybrid of Prunus cerasifera and Prunus pumila, the sand cherry, also won the Award of Garden Merit. [16] [17] [18] These purple-foliage forms (often called 'purple-leaf plum'), also have dark purple fruit, which make an attractive, intensely coloured jam. They can have white or pink flowers.