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Birds will try to come and eat your cherries, and you can block them out with netting. Purchase netting from most home supply stores. Secure your netting at the bottom so birds can't get them at ground level.  Look for heavy-duty, knitted netting with an aperture no bigger than 5 by 5 millimetres (0.20 in × 0.20 in) and woven no larger than 500 microns thick.  Check your netting in the spring and winter. Bird sometimes peck at growing cherry buds in the late winter. Replace your netting as needed. When your trees will be exposed to much sunlight, it is important to keep your trees hydrated and healthy, especially for freshly planted trees. Water your trees when the top layers of soil seem dry. To check the moisture, stick your finger about 3 inches (7.6 cm) into the soil. If the soil is not moist, then water it thoroughly from the base of the tree. If the soil is still wet, you can wait another day before checking the moisture level again. Use an all-purpose fertilizer or a fruit tree fertilizer, and follow instructions on the package to determine the recommended amount to use. After April, only fertilize your trees after you harvest the fruit each season. Fertilizing right before your trees bloom helps replenish nutrients and help the tree produce more fruit. in the late winter annually. This will help your trees grow new fruiting wood. Prune the tree when it is dormant so you don't damage the fruit-bearing branches. You can use hand pruners or scissors to cut away dead, damaged, or diseased branches. Regularly pruning your trees will prevent infection and disease. In order to prevent winter sunscald, you should wrap the trunk with tree wrap every winter. Start at the bottom of the trunk and work your way toward the top, overlapping the layers. You can find tree wrap at gardening and home improvement stores. Sweet cherries are more likely to get a fungal or bacterial disease, so prune them again in the late summer to prevent diseases from spreading. The warmth of the sun will develop the flavor of your cherries, and they will fall off the tree when ready to harvest. Pick your cherries with the stalks still attached using scissors or hand pruners. Hand picking can injure your tree and cause infection.  Cherries will appear dark red, black, or yellow when fully ripened. They will be the most sweet and delicious at this point, because the sugar content will rise a few days before they are fully ripened Pick your cherries when they are still firm if you want to freeze them. Typical cherry harvests only last 1 week, so be ready to pick! Common cherry tree pests include aphids, Japanese beetles, and caterpillars. If you have issues with pests, you can treat your trees with pesticides. Always consider using natural pesticides so you don't damage your trees or cherries with harsh chemicals. You can easily make your own pesticides at home. Try mixing different household vegetables, oils, or soaps with water and treating for pests naturally.
Drape netting over your cherries trees to protect against birds. Keep your trees well-watered during the spring and summer. Fertilize your trees annually in the spring until the they start to bear fruit. Prune trees Wrap the trunk of the tree in winter. Prune sweet cherry trees again in the late summer to prevent diseases. Harvest cherries when they are fully ripe. Treat your cherry trees with pesticides as needed.