How to prune potted grapevines
This article introduces how to prune potted grapevines, as well as the management and pruning of potted grape trees in the green plant flower field. Let's follow the editor to see the specific content!
Grapes are a type of deciduous vines with round or oval fruits. There are many varieties, and the shape and color of the fruits vary depending on the variety. The fruit colors include purple, green, red, black, and more. Grapes mature from August to October, and it's currently the season to enjoy this fruit. If you have some extra space on your balcony or terrace with ample sunlight, consider growing a pot of grapes. How should potted grapevines be maintained to ensure normal growth, lush foliage, and abundant fruit?
1. Sufficient sunlight
During the growing period, potted grapevines should be placed on a balcony or terrace, where outdoor sunlight is most abundant, to promote robust growth, thicker leaves, shorter internodes, and plumper fruits. The suitable temperature for grape growth is around 30 degrees Celsius, and maintaining a temperature of zero to three degrees Celsius during winter is most appropriate.
2. Change the potting soil every two to three years
For potted grapevines that have been grown for three years, it is necessary to change the potting soil. The timing for repotting can be in early spring or autumn. Add some cake fertilizer and bone meal at the bottom of the pot, and use a mixture of decomposed leaf soil, river sand, and garden soil, along with a small amount of fermented animal manure. This type of nutrient-rich potting soil is beneficial for grapes, as they require ample fertilizer for vigorous growth and successful fruiting. Otherwise, insufficient fertilizer can lead to early flower and fruit drop.
How to prune potted grapevines
3. Avoid waterlogging in the potting soil
During the growing period, it is okay to water frequently to keep the potting soil moist. However, during the fruiting period, it is essential to control watering and reduce moisture. If the environmental humidity is high and the potting soil is constantly waterlogged, it can lead to root rot or fruit drop. During the winter dormant period, it is important to reduce watering even further.
4. How to prune potted grapevines
For some grape seedlings, if the main branches are less than one meter long, there is no need for pruning. When the main vine grows to one meter high, you can start pinching the top to encourage the growth of lateral branches. After the lateral branches grow out, pinch them again to promote the growth of more side branches. Repeated pinching and topping aim to develop a sturdy main vine with plenty of axillary buds, which is beneficial for flowering and fruiting in the following year.
After potted grapevines enter winter, another round of pruning should be done to ensure annual fruiting, gradually increasing the weight and quantity of fruit each year. By maintaining potted grapevines in this way, one grapevine per pot can yield about ten pounds of fruit each year. It's that time of the year again when grapes are ripe, and growing a pot on the balcony or terrace can result in lush foliage and abundant fruit year after year!
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