How to Grow Deep Red Wonder
Wikimedia Commons
Deep Red Wonder
Capsicum annuum
vegetableDeep Red Wonder is a bell pepper cultivar prized for its deep crimson-red color and sweet flavor when fully mature. The plants are compact and productive, making them ideal for both garden and container growing. They typically produce large, blocky peppers with thick, meaty walls perfect for fresh eating and cooking.
When should you plant Deep Red Wonder in your zone?
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Example Deep Red Wonder timeline · Pittsburgh, PA (Zone 6b)
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Plant Deep Red Wonder
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 Deep Red Wonder
Around Jul 1≈ 75 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Deep Red Wonder dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives best in zones 5-10; can be grown in zones 3-4 with season extension techniques
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Seedling
4-6 weeksSmall plants with 2-4 true leaves, tender and pale green
Provide bright light (14-16 hours daily under grow lights), maintain warm soil temperature (70-80°F), keep soil evenly moist, ensure good air circulation to prevent damping off
Vegetative Growth
3-4 weeks after transplantingBushy plants developing multiple stems and dark green foliage, no flowers yet
Harden off gradually before transplanting outdoors, provide full sun once in garden, support with stakes if needed, maintain consistent watering, apply balanced fertilizer every 2-3 weeks
Flowering
4-6 weeksPlant produces small white flowers in leaf axils; flower buds appear at branch terminals
Ensure adequate calcium to prevent blossom end rot, maintain consistent soil moisture and temperature above 60°F, provide balanced fertilizer (avoid excess nitrogen), gently shake plants to aid pollination, do not over-fertilize with nitrogen
Fruit Development
4-5 weeksYoung green peppers form and enlarge; fruit wall thickens; peppers typically reach mature green size in 3-4 weeks
Water deeply and consistently to maintain even moisture, switch to higher potassium fertilizer (NPK 5-10-10 or similar), remove some foliage if fruit is shaded, mulch around base to retain moisture and regulate soil temperature, ensure adequate calcium
Ripening to Red
3-6 weeks (or longer)Green peppers slowly transition to deep crimson-red color; fruit becomes sweeter and thicker-walled as it matures
Reduce nitrogen fertilizer to allow color development, maintain consistent watering, provide maximum sunlight exposure, harvest green peppers to redirect energy to remaining fruit if desired, be patient as red color development takes 2-4+ weeks
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; apply insecticidal soap or neem oil; increase humidity; introduce predatory mites
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Spray with strong water stream; apply insecticidal soap; use neem oil; release ladybugs or parasitic wasps
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Remove affected leaves; use blue sticky traps; spray with insecticidal soap or neem oil; maintain good air circulation
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Remove and destroy infested fruit; apply spinosad; use row covers; practice crop rotation; remove plant debris
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Use yellow sticky traps; spray with insecticidal soap; apply neem oil; use reflective mulch; introduce beneficial parasitic wasps
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Ensure consistent soil moisture; add calcium (lime or gypsum); avoid excessive nitrogen; maintain pH 6.0-6.8
Uses
Fresh eating and cooking
CulinaryDeep red peppers have thick, sweet walls ideal for slicing fresh into salads, roasting, grilling, or stuffing. The mature red color indicates higher sugar content and a milder, sweeter flavor compared to green peppers. [source]
Vitamin C-rich superfood
CulinaryFully ripe red peppers contain 2-3 times more vitamin C than green peppers, making them an excellent nutritional addition to fresh summer salads and cooked dishes. [source]
Antioxidant and anti-inflammatory benefits
MedicinalDeep red peppers are rich in carotenoids, quercetin, and other antioxidants that may help reduce inflammation and support overall health when consumed regularly. [source]
Colorful garnish and presentation
HouseholdThe vibrant deep red color makes Deep Red Wonder peppers visually stunning for food presentation, serving as attractive garnishes for plates and appetizer platters. [source]
Seed saving and heirloom gardening
CraftDeep Red Wonder is open-pollinated, allowing home gardeners to save seeds from ripe peppers for planting in subsequent seasons, promoting garden self-sufficiency. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest green peppers any time after reaching full size (usually 6-8 inches long) for milder flavor; allow to ripen on plant to deep red for 3-6+ additional weeks for maximum sweetness and vitamin C content. Cut peppers with pruning shears rather than pulling. Continued harvesting encourages more fruit production. For storage, keep at room temperature for 1-2 days or refrigerate up to 2 weeks.
Fun Facts
- 🌱 Deep red peppers take significantly longer to mature than green peppers (an additional 4-6+ weeks), but the wait is rewarded with sweeter flavor, higher vitamin C content (up to 300mg per pepper), and a more sophisticated taste profile.
- 🌱 Pepper plants are perennial in tropical climates but are grown as annuals in temperate zones; under ideal conditions with protection, they can produce for 2-3+ years, making them popular long-term container plants in cold climates.
- 🌱 The deep crimson color develops due to the accumulation of carotenoid pigments (especially lycopene and beta-carotene) as chlorophyll breaks down during ripening, similar to the color change in tomatoes.
Gardening Terms
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