How to Grow Purple Bell Pepper 'Purple Prince'
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Purple Bell Pepper 'Purple Prince'
Capsicum annuum 'Purple Prince'
vegetablePurple Prince is a compact, productive bell pepper variety that produces deep purple, blocky fruits with thick walls and sweet flavor. The plants are relatively small and ideal for containers or small garden spaces. Peppers mature from green to purple when fully ripe, offering ornamental appeal alongside culinary use.
When should you plant Purple Bell Pepper 'Purple Prince' in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Purple Bell Pepper 'Purple Prince' timeline · Pittsburgh, PA (Zone 6b)
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Plant Purple Bell Pepper 'Purple Prince'
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 Purple Bell Pepper 'Purple Prince'
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Purple Bell Pepper 'Purple Prince' dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-10; can be grown as an annual in cooler zones (3-4) with season extension
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Get my Purple Bell Pepper 'Purple Prince' timeline →Growth Stages
Seedling
2-3 weeksTiny seedlings with cotyledons and first true leaves emerging; plants are delicate and pale green.
Maintain warm soil (75-85°F), provide bright light to prevent leggy growth, keep soil moist but not waterlogged, fertilize lightly once true leaves appear.
Vegetative
3-4 weeksPlant develops multiple sets of true leaves, bushy growth with compact form; no flowers yet.
Gradually acclimate to outdoor conditions (hardening off), maintain consistent warmth and moisture, pinch off early flower buds to encourage branching, apply balanced fertilizer every 2 weeks.
Flowering
2-3 weeksSmall white flowers appear at leaf axils along branches; plant continues to grow taller and wider.
Ensure steady soil moisture and 8+ hours of sunlight daily, reduce nitrogen fertilizer and switch to higher-phosphorus blend to encourage fruiting, avoid over-fertilizing which reduces flowers, maintain warm temperatures (70-85°F).
Fruiting
4-6 weeksSmall green peppers form where flowers dropped; peppers gradually enlarge and begin color transition to purple.
Continue consistent watering and full sun exposure, support branches with stakes or cages if needed due to fruit weight, maintain temperature above 60°F (ideally 70-85°F), apply calcium-rich fertilizer (add crushed eggshells or gypsum) to prevent blossom-end rot.
Harvest/Maturity
Ongoing until frostPeppers reach full size and deepen in color from green to glossy purple; walls thicken; flavor becomes sweeter.
Begin harvesting at purple stage for best flavor and sweetness, cut peppers with 1-inch stem remaining, continue regular watering and fertilizing to encourage additional fruit set, plants can produce until first frost.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; encourage beneficial insects like ladybugs; strong water spray to dislodge; avoid excessive nitrogen fertilizer
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Increase humidity, spray with water, apply neem oil or horticultural miticide; maintain adequate soil moisture
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Remove and destroy infested fruits immediately, remove plant debris, apply insecticides if infestation is severe; maintain garden cleanliness
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Yellow sticky traps, neem oil spray, insecticidal soap; encourage air circulation
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Remove affected leaves, spray with neem oil or insecticidal soap, use reflective mulches
Uses
Fresh eating and cooking
CulinaryPurple Prince peppers have thick, sweet walls ideal for eating raw in salads, slicing for appetizers, or cooking in stir-fries, fajitas, and roasted vegetable dishes. Their striking color adds visual appeal to plates and dishes. [source]
Roasting and preserving
CulinaryThe thick walls make these peppers excellent for roasting, charring, and preserving through canning, freezing, or pickling. Roasted purple peppers have a deeper, slightly smoky flavor. [source]
Vitamin C and antioxidants
MedicinalPurple bell peppers are rich in vitamin C, anthocyanins (the purple pigment), and other antioxidants that support immune function and reduce inflammation. The unique purple color indicates high levels of these beneficial compounds. [source]
Ornamental gardening
HouseholdThe compact growth habit and striking purple fruits make Purple Prince peppers excellent for ornamental container gardening, patio displays, and edible landscaping where both beauty and productivity are desired. [source]
Pollinator attraction
WildlifeThe small white flowers attract bees, butterflies, and other beneficial insects to the garden, supporting overall pollinator health and garden biodiversity. [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 peppers when they reach full purple color for peak sweetness and flavor (typically 70-90 days after planting transplants). Use scissors or pruning shears to cut peppers with 1-inch stems attached, rather than pulling, to avoid damaging branches. Green peppers can be harvested earlier for mild flavor. Continued harvesting encourages more fruit production. In cool climates, pick remaining peppers before the first frost and ripen indoors at room temperature.
Fun Facts
- 🌱 Purple bell peppers are actually the same species as red, yellow, and orange peppers—the purple color comes from anthocyanins, the same pigments found in blueberries and blackberries.
- 🌱 Unlike some pepper varieties, Purple Prince is specifically bred to be compact and productive in containers, making it ideal for small-space gardening, balconies, and patios.
- 🌱 Purple peppers are typically sweeter than their green counterparts because they spend more time ripening on the vine, allowing more sugars to develop; waiting for full purple color yields maximum sweetness.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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