If you want to grow peppers for fruit in the winter, you will need to do so in a greenhouse with supplemental light. The first step for how to keep peppers over winter is to bring them indoors. ... When you're keeping peppers over the winter, you'll find that they need far less water than in the summer.
Can pepper plants survive winter?
Your peppers may look a bit sad. But it can continue to survive and keep growing as long as the temperature remains above 50 degrees in the cold frame. You likely will not get winter produce at those temperatures. Peppers won't produce unless they're warm!
Can capsicum be grown in December?
The climate that is frost-free, with temperature not going above is 20- 25°C in the days and below 20° in the night time, is ideal for growing healthy capsicum plants. The tropical and subtropical regions in India, such as Karnataka, Tamil Nadu, Kerala, Andra Pradesh, grow it in the winters.