How to Grow Goliath Pepper
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Goliath Pepper
Capsicum annuum var. 'Goliath'
vegetableGoliath is a large bell pepper variety known for producing exceptionally big, blocky fruits that can weigh up to 1 pound each. The plants are vigorous and productive, bearing multiple giant peppers that transition from green to deep red at full maturity. This variety is prized by gardeners and commercial growers for its impressive size and sweet flavor.
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Example Goliath Pepper timeline · Pittsburgh, PA (Zone 6b)
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Plant Goliath Pepper
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 Goliath Pepper
Around Jun 26≈ 70 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Goliath Pepper dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-11; can be grown as annuals in zones 3-4 with season extension
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Seedling
3-4 weeksTiny pepper plants with 2-4 true leaves, fragile stems, requiring controlled conditions
Keep soil moist but not soggy. Maintain 70-80°F temperatures. Provide bright light 14-16 hours daily under grow lights. Fertilize weekly with dilute liquid fertilizer once first true leaves appear.
Vegetative Growth
4-6 weeks after transplanting outdoorsPlants develop multiple branches, larger leaves, and root system expansion; no flowers yet
Transplant to larger pots as needed. Maintain 70-85°F daytime, 65-70°F nighttime. Pinch off early flower buds if desired to encourage branch development. Provide consistent moisture and balanced fertilizer every 2 weeks.
Flowering
4-8 weeksSmall white or cream-colored flowers appear in leaf axils; some natural flower drop may occur
Do not overwater or over-fertilize (excess nitrogen reduces flowering). Maintain warm temperatures (75-85°F). Flowers are self-pollinating but benefit from gentle hand-pollination or air movement. Reduce nitrogen fertilizer, shift to higher phosphorus/potassium ratio.
Fruit Development & Green Maturity
4-6 weeks after fruit setGreen peppers enlarge rapidly to impressive 4-5 inch blocky fruits; plants may need support due to weight
Provide sturdy stakes or cages as fruit becomes heavy. Maintain consistent watering and balanced fertilizer. Space fruit to prevent overcrowding. Prune excessive foliage if fruit is shaded. First harvest at green stage is possible.
Red Maturity & Harvest
3-4 weeks per fruitPeppers transition from green to deep crimson red, developing maximum sweetness and nutritional content
Continue regular watering and feeding. Peppers may take 3-4 weeks to fully color after green maturity. Support branches with ties or slings if fruit threatens to break limbs. Harvest carefully by cutting with pruners.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with neem oil or insecticidal soap; introduce ladybugs; strong water spray to dislodge
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Increase humidity; spray with neem oil or miticide; regular misting of leaves
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Yellow sticky traps; spray with neem oil; reflective mulch; encourage beneficial insects
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Remove infested fruit immediately; maintain sanitation; use insecticidal spray if severe
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Maintain consistent soil moisture; add calcium (lime or gypsum); mulch to regulate moisture
Uses
Fresh eating & roasting
CulinaryGoliath peppers are excellent sliced raw in salads or sandwiches, with a sweet, mild flavor. Their large size and thick walls make them ideal for roasting, stuffing, or grilling. [source]
Preserving & processing
CulinaryThe substantial flesh can be frozen, canned, or dried for long-term storage. Red ripe peppers are ideal for making pepper paste, sauce, or powder. [source]
Vitamin C and antioxidants
MedicinalRed peppers are exceptionally high in vitamin C, carotenoids, and quercetin, supporting immune function and reducing inflammation. Just one red pepper provides over 300% of daily vitamin C needs. [source]
Container and ornamental display
HouseholdGoliath pepper plants are visually striking with prolific large fruits, making them attractive additions to container gardens, patios, or ornamental vegetable displays. [source]
Pollinator attraction
WildlifeThe white flowers attract bees, butterflies, and other pollinators, supporting beneficial insect populations in the garden. [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 when full-sized (4-5 inches) by cutting with pruners to avoid damaging the plant. For maximum sweetness and nutrition, allow peppers to fully ripen to red, which takes 3-4 additional weeks. Regular harvesting of green peppers encourages more flowering. In fall, harvest before the first frost; plants can be brought indoors to continue ripening.
Fun Facts
- 🌱 Goliath peppers can produce 12-20 enormous fruits per plant under optimal conditions, making them exceptionally productive for home gardeners seeking large yields of quality peppers.
- 🌱 The name 'Goliath' refers not only to the giant size of the fruits, but also to the robustness of the plant itself, which typically grows 24-30 inches tall and can continue producing for 4-5 months in warm climates.
- 🌱 Red peppers contain 9 times more beta-carotene than green peppers and have significantly higher levels of antioxidants, which is why allowing Goliath peppers to fully ripen to red is worth the patience.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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