How to Grow Demon Red
Wikimedia Commons
Demon Red
Capsicum annuum
vegetableDemon Red is a striking ornamental and edible chili pepper variety known for its intensely dark red, elongated pods that grow upright on compact plants. The peppers are moderately hot with a fruity flavor and are popular both for decorative container gardening and culinary use. This variety produces abundant fruit and makes an eye-catching addition to any garden or patio.
When should you plant Demon Red in your zone?
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Example Demon Red timeline · Pittsburgh, PA (Zone 6b)
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Plant Demon Red
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Demon Red
Around Jun 26≈ 70 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Demon Red dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can be grown as annual in cooler zones with season extension
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Get my Demon Red timeline →Growth Stages
Seedling
2-3 weeksTiny seedlings with two cotyledons emerge and develop first true leaves
Maintain warm soil (75-85°F), high humidity, and bright light; keep soil moist but not soggy; thin to strongest seedlings at 2-3 weeks
Vegetative
4-6 weeksPlant develops multiple sets of true leaves, branching structure, and bushy growth habit; compact upright form becomes apparent
Maintain consistent moisture and warmth; apply balanced fertilizer every 2-3 weeks; ensure 6+ hours of direct sunlight; harden off before transplanting
Pre-flowering
2-3 weeksPlant reaches mature size with dense foliage; flower buds form at branch tips
Maintain steady watering and warm temperatures (70-85°F); reduce nitrogen fertilizer, increase phosphorus and potassium to encourage blooming; avoid transplanting stress
Flowering & Fruit Set
3-4 weeksSmall white flowers appear along branches; flowers drop off and tiny peppers begin forming; plant is heavy with developing fruit
Continue warm temperatures; pollinate by hand if indoors or encourage pollinators; maintain consistent soil moisture; apply low-nitrogen fertilizer weekly; thin crowded peppers if larger fruit desired
Fruiting & Harvest
4-8 weeksPeppers grow and mature to deep red color; pods become elongated and glossy; plant may produce multiple flushes of fruit
Maintain consistent watering and warm temperatures; support heavy fruit branches with stakes or cages; fertilize every 7-10 days; harvest regularly to encourage continued production
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use neem oil or insecticidal soap; maintain humidity above 50%
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Hand-pick small infestations; spray with strong water stream; apply insecticidal soap or neem oil; introduce ladybugs
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Remove affected leaves; use sticky blue traps; spray with spinosad or neem oil; encourage beneficial insects
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Use yellow sticky traps; spray neem oil or insecticidal soap; prune heavily infested leaves
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Remove and destroy infested fruit; use pheromone traps; apply spinosad if damage detected early
Uses
Fresh cooking and hot sauce
CulinaryDemon Red peppers can be used fresh in salsas, stir-fries, and cooked dishes, offering moderate heat and fruity flavor. They're excellent for making hot sauces and powders, with heat ranging from 80,000-120,000 Scoville Heat Units. [source]
Container and landscape decoration
OrnamentalThe striking deep red peppers create spectacular visual displays on compact upright plants, making Demon Red ideal for pots, patios, and ornamental garden borders. The contrast between dark foliage and glossy red fruit creates natural beauty. [source]
Dried pepper and spice production
CulinaryPeppers can be dried whole or powdered to create dried chili products with concentrated flavor. They store well when properly dried and can be rehydrated or ground for year-round use. [source]
Heat and pain relief compounds
MedicinalCapsaicin in hot peppers has been studied for pain relief, circulation improvement, and anti-inflammatory benefits. It's used topically in creams and patches for musculoskeletal pain. [source]
Wildlife attraction and bird food
WildlifePeppers attract birds and pollinators to the garden. Many bird species enjoy eating the peppers, helping with seed dispersal and creating a vibrant ecosystem. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Peppers can be harvested green (immature) for milder heat, but flavor and heat intensify as they mature to deep red. Use sharp scissors or pruners to cut peppers to avoid damaging branches. Harvest regularly every 2-3 days during peak production to encourage more fruit formation. Peak harvest typically occurs 2-3 months after flowering begins.
Fun Facts
- 🌱 Demon Red peppers are not genetically modified despite their striking appearance—their intense dark red color and prolific production are the result of selective breeding and careful cultivation
- 🌱 The heat in these peppers comes from capsaicin, which binds to pain receptors in mammals but doesn't affect birds, making them excellent for attracting wildlife while being edible for humans
- 🌱 A single Demon Red plant can produce 50-100+ peppers in a single growing season under ideal conditions, making it incredibly productive for the compact size
Gardening Terms
New to gardening? Learn about terms used in this guide:
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