How to Grow Cubanelle Pepper

Cubanelle Pepper

Capsicum annuum

vegetable

Cubanelle peppers are elongated, mild sweet peppers native to Cuba with thin walls and tender flesh. They are prolific producers that ripen from green to red and are prized for their sweet, delicate flavor. These peppers are excellent for frying, roasting, and fresh eating.

Looking for a specific variety?

When should you plant Cubanelle Pepper 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.

Get my Cubanelle Pepper timeline →

Example Cubanelle Pepper timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Cubanelle Pepper

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Cubanelle Pepper

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Cubanelle Pepper dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily (minimum 6 hours)
💧
Water: Consistent moisture, 1-1.5 inches per week; water deeply but allow soil to dry slightly between waterings; avoid waterlogging
📏
Spacing: 18-24 inches
📅
Days to maturity: 60-90
🌱
Planting depth: 0.25 inches for seeds; transplants at same depth as soil ball

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
Compost Aged manure Perlite for drainage Balanced fertilizer (5-5-5 or 10-10-10)

Growing Zones

Find your zone →

Thrives in zones 5-10; grown as annual in cooler zones, perennial in warm zones

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

Sign up free to see if Cubanelle Pepper grows in your zone — and get a personalized planting timeline.

Get my Cubanelle Pepper timeline →

Growth Stages

1

Seedling

2-3 weeks

Tiny cotyledons emerge, followed by first true leaves; plant is 1-2 inches tall

Keep soil consistently moist but not waterlogged; provide 14-16 hours of grow lights if indoors; maintain temperature around 70-80°F

2

Vegetative

4-6 weeks

Plant develops multiple sets of true leaves and a stronger root system; reaching 4-8 inches tall; becoming bushy

Continue consistent watering and lighting; thin to strongest seedling if multiple emerge; begin hardening off 7-10 days before transplanting outdoors

3

Flowering

3-4 weeks

Small white or pale yellow flowers appear at leaf nodes; plant may be 12-18 inches tall and bushy

Ensure consistent watering and full sun; apply balanced fertilizer every 2-3 weeks; maintain warm temperatures (70-85°F); light hand pollination with brush aids fruit set

4

Fruiting

3-4 weeks

Small green peppers develop from flower ovaries; peppers grow to 4-5 inches long and 1-1.5 inches wide

Maintain consistent water and nutrients; support heavy fruit with stakes or cages; fertilize every 2 weeks with balanced or slightly higher potassium blend; pinch off first flowers on new transplants to encourage root development

5

Maturity & Harvest

4-8 weeks or until frost

Peppers transition from green to bright red; reach full size and sweetness; plant continues producing throughout season

Harvest green peppers anytime or allow to ripen to red for sweeter flavor; continue regular watering and feeding; remove any diseased foliage; in warm climates, provide afternoon shade in peak heat

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Kohlrabi Cabbage Brassicas Beans Peas

Common Pests

  • Spray with water to dislodge; use insecticidal soap or neem oil; increase humidity; introduce predatory mites

  • Spray with strong water stream; use insecticidal soap; neem oil; encourage beneficial insects like ladybugs

  • Remove affected leaves; use blue sticky traps; apply neem oil or spinosad; maintain good airflow

  • Yellow sticky traps; spray undersides of leaves with insecticidal soap or neem oil; encourage natural predators

  • Remove infected leaves; improve air circulation; avoid wetting foliage; apply copper fungicide; choose resistant varieties

  • Improve airflow; reduce humidity; spray with sulfur or baking soda solution; remove infected leaves

Uses

🍳

Frying & Roasting

Culinary

Cubanelle peppers are ideal for pan-frying and roasting due to their thin walls that char beautifully while remaining tender. They are a staple in Latin American cuisine, particularly in Cuban dishes. [source]

🍳

Fresh & Raw

Culinary

The mild, sweet flavor makes Cubanelles excellent for eating fresh in salads or as a snack. They contain high levels of vitamin C and antioxidants. [source]

🍳

Stuffing & Cooking

Culinary

Their elongated shape and mild flavor make them suitable for stuffing with rice, meat, or cheese. They cook quickly and are perfect for stir-fries and sauces. [source]

💊

Antioxidant & Anti-inflammatory

Medicinal

Cubanelle peppers contain quercetin and other polyphenols with anti-inflammatory properties. Regular consumption may support cardiovascular health and immune function. [source]

🦋

Pollinator Attraction

Wildlife

The flowering pepper plant attracts bees, butterflies, and other beneficial insects, making it valuable for pollinator gardens and supporting 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 green peppers 60-70 days after transplanting for tender texture, or allow 80-90 days to ripen to bright red for maximum sweetness. Use a clean knife or pruners to cut peppers from the plant rather than pulling. Regular harvesting encourages continued production. Peppers can be harvested at any stage from green to fully red.

Fun Facts

  • 🌱 Cubanelle peppers are named after their origin in Cuba and are sometimes called 'Cuban peppers' or 'Italian peppers' in North America.
  • 🌱 Despite their thin walls, Cubanelle peppers are significantly sweeter and milder than jalapeños, containing virtually no capsaicin heat compound.
  • 🌱 These peppers were first domesticated in Mesoamerica but became especially popular in Cuban and Mediterranean cuisines, reflecting the plant's adaptability to diverse growing regions.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Cubanelle Pepper planting timeline

Tell us your zip code and we'll calculate exactly when to start Cubanelle Pepper seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Cubanelle Pepper timeline →