Chili Pepper / Hot Pepper
Capsicum annuum
description
Chili Pepper is a warm-season fruiting plant available in mild to intensely hot varieties.
benefits
- Edible
- Suitable for containers
How to care for Chili Pepper
sunlight
Chili peppers grow and fruit best in warm, open, sunny conditions. Give them the brightest spot you have so they can build sturdy growth and ripen a good crop.
Full sun
Aim for at least 6 hours of direct sun daily, with 8 or more ideal for heavy fruiting. A south or west-facing window works well indoors. In very hot climates, light afternoon shade can prevent scorching and dropped flowers.
watering
Keep chili peppers evenly moist while they are growing and fruiting, but never leave their roots sitting in water.
Spring to early autumn
In a sunny pot, water deeply about every 2-4 days, or when the top 1-2 cm of compost feels dry. Hot weather, small terracotta pots, and a heavy crop can make this more frequent. Let excess drain away.
Cooler or low-light months
Growth slows indoors or in cool weather, so water roughly every 7-14 days. Check deeper into the root ball before watering: it should be partly dry, not wet throughout. Water less if leaves are not growing and the pot stays heavy.
humidity
Humidity
Chili peppers come from warm regions and grow best with moderate humidity. Average household air is usually fine, but around 50-60% supports healthy leaves without keeping the plant damp.
Air that is too dry can cause curled or crisp leaf edges and may make spider mites more likely. Check watering and heat exposure too, as these can cause similar symptoms.
How to increase humidity
- Use a small humidifier nearby during heated winter months.
- Group plants together, while leaving enough space for airflow.
- Do not mist heavily, especially in cool or poorly ventilated rooms.
temperature
Active growth
Winter minimum
Chili peppers are warm-season plants from tropical and subtropical regions. Keep them warm and bright for steady flowering and fruiting. Growth slows below 15°C (59°F), while brief heat above 32°C (90°F) can cause flowers to drop, especially in dry air.
nutrition
March - September
Feed actively growing peppers about every 2 weeks with a liquid tomato or vegetable fertilizer, starting at half the label strength. Use a formula suited to flowering and fruiting once buds appear. Stop feeding in winter unless the plant is still making new growth in warm, bright conditions, then feed about monthly.
Nitrogen
Nitrogen supports leafy growth early in the season. Too much can make a pepper lush and green but slow to flower, so avoid high-nitrogen feeds once buds form.
Potassium
Potassium supports flowering and fruit development. A tomato fertilizer usually provides a suitable amount during the fruiting stage.
Calcium
Calcium helps developing fruit, but roots can only take it up when watering is steady. Keep the soil evenly moist rather than letting it repeatedly dry out and flood.
soil
Rich, loose, well-draining soil
Chili peppers need steady moisture and nutrients for flowering and fruiting, but their roots decline in dense, wet compost. Use a fertile potting mix loosened with perlite, pumice, or coarse sand, and choose a pot with drainage holes.
pH 6,0 - 6,8
This is slightly acidic to nearly neutral, a range that helps peppers take up nutrients well. Most quality vegetable or all-purpose potting mixes suit them; avoid strongly acidic mixes formulated for blueberries or azaleas.