How to grow grapes on a balcony? A step-by-step guide

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Do you still remember that as a child in the countryside, your grandfather planted a grapevine on the rooftop of his house, and every summer it grew clusters of grapes? A few kids would lie right on the concrete slab and grab a big bunch of grapes to eat with just a reach of the hand. Back then, that was the most enjoyable time of childhood. Nowadays, many people also grow grapevines on their balconies. Not only can they block the sun in summer and lower the indoor temperature, but when the grapevine bears fruit, they can also eat grapes grown at home. Just thinking about it is wonderful!

One: Choosing a pot

Containers that can be used for potted grapes include clay pots, wooden pots, plastic flower pots, and other containers with good breathability. Generally, containers with a diameter of 1.0 chi to 1.2 chi are chosen, and after 1 to 2 years, switch to a slightly larger pot

Two: Soil

The soil should be a loamy soil that is breathable and loose, fertile, and rich in organic matter and calcium. We can use a nutrient soil mixed from 1/3 rotted horse or cow manure and 2/3 garden soil, fill it into the pot and press it firm, water it thoroughly, and plant after the surface dries and loosens.

If there is no cow or horse manure, we can use leaf mold, garden soil, coarse sand, bone meal, coarse sand (or furnace slag), and puffed chicken manure, then seal it with plastic film, fumigate for a full day and night, remove the film, air it in the sun for 3-4 days, and then put it in pots for use;

 Soil is very important, and you should loosen the soil regularly. But be careful not to damage the roots. If you see that the soil in the pot is as hard as stone, then you need to dig out the grapevine and replant it.

Or replace it with loose, breathable, nutritious leaf mold. Add enough rotted fertilizer as a base fertilizer. The pot soil should be raked loose frequently to enhance water infiltration, water retention, and breathability.

Three: Fertilizing

The principle of fertilizing potted grapes is to apply less but often. During the seedling stage and the early stage after planting, potted grapes may not be fertilized for the time being. After the seedlings grow 5-6 leaves, apply a thin liquid fertilizer once every 6-8 days.

After flowering and fruit set, the nutrient requirement increases, so the number of fertilizer applications can be appropriately increased. Note that after each application of liquid fertilizer, water immediately.

Four: Watering

For potted grapes, before and after budding, water once every 2-3 days. Watering before 10 a.m. and after 4 p.m. is better; when watering, the water temperature should preferably be close to the pot soil temperature. In summer, the temperature is relatively high and evaporation is relatively large, so water once in the morning and once in the evening. After the temperature gradually drops in autumn, the number of waterings gradually decreases, and it is best to keep the pot soil moist; during the winter leaf-drop dormant period, keep the pot soil alternately dry and wet, and when watering, you can sprinkle some water on the leaves.

Five: Pest and disease control

If there is disease, spray 3-5 degrees Baume lime sulfur mixture during the grape dormant period. After budding, spray once every 10-15 days with a 1:0.5:200 Bordeaux mixture or a 500-fold compound carbendazim solution, and general diseases can be controlled.

If abnormal phenomena such as brown spots or white powder are found on leaves, branches, or fruit clusters, they should be cut off immediately to prevent spread, and Bordeaux mixture should be sprayed for control;

In an environment with sufficient light and good ventilation, potted grapes rarely suffer from disease.

Six: Light

Grapevines are very sensitive to light, and grapevines like light, so they must be placed in a place with very sufficient light;

Seven: Trellis

Some people build trellises on the balcony to make it easier for the grapevine to climb. Remember not to use iron or trellises that conduct heat quickly; wooden ones are best.

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