When growing house cucumbers, ventilation should be kept to a minimum.
It is only necessary at temperatures above 28°C. Every time you air the room, it also causes the humidity to drop, which at the same time promotes the occurrence of spider mites. It is therefore essential to compensate for this loss of moisture by spraying. To avoid leaf burns due to strong sunlight, are small greenhouses to shade. Shade linen or similar fabric is best suited for this. Painting with lime is also possible, must be repeated after some time, as soon as the protective layer has been partially washed away by the rain.