How do I get more yield from chili pepper plant?
To maximize yield from chili pepper plants, there are several factors to consider:

Growing conditions: Chili pepper plants require full sun and well-drained soil with a pH between 6 and 7. Make sure your plants receive enough water and fertilize them regularly with a balanced fertilizer.

Proper spacing: Chili pepper plants need adequate space for good air circulation, which helps prevent fungal diseases. Space the plants 18 to 24 inches apart.

Pinching: Pinching the tips of chili pepper plants can encourage branching and increase the number of flowers and fruit.

Training: Chili pepper plants can be trained to grow on a trellis, which allows for better air circulation and makes harvesting easier.

Pest management: Keep an eye out for pests such as aphids, whiteflies, and spider mites, which can reduce yields and even kill your plants. Regular monitoring and control measures can help prevent pest damage.

Harvesting: Harvest chili peppers regularly to encourage the plant to produce more fruit. Choose ripe fruit that has reached its full color, and avoid over-ripe or under-ripe fruit, as they will not continue to ripen after picking.

By following these steps, you can help ensure that your chili pepper plants produce a high yield.
Which types of peppers are most cold tolerant?
The chili peppers are not very tolerant to low temperatures, and most of them demand a minimum of around 32ºF, and slow down growth below around 55ºF. However, some varieties are somehow more likely to survive a cold night, such as:

- A variety of Rocoto Peppers, which is a subspecies of Capsicum pubescens, can germinate reliably at 50 ºF and it is the only chili species reported to tolerate light frost.

- The Hardy Chili Pepper, reported to grow down to 15 ºF.

- The Bulgarian carrot, slightly less tolerant than the previous ones, but more popular. It is also known as “Shipkas.