How to Grow Ancho Pepper

Wikimedia Commons

Ancho Pepper

Capsicum annuum var. ancho

vegetable

Ancho peppers are a mild chili pepper variety (1,000-2,000 Scoville units) that are typically harvested in their red-ripe stage and dried to create the popular ancho chile used in Mexican cuisine. The plant produces large, heart-shaped peppers that measure 4-5 inches long and 2-3 inches wide. Fresh anchos are fleshy with a sweet flavor profile, while dried anchos develop deep, rich, and complex fruity-chocolate notes.

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

  1. Plant Ancho 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 Ancho Pepper

    Around Jul 16

    ≈ 90 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily (minimum 6 hours)
💧
Water: Consistent moisture without waterlogging; water deeply when soil surface is dry to touch. Water at soil level to avoid fungal diseases. Reduce watering slightly once flowering begins to concentrate sugars in fruit.
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Spacing: 18 inches
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Days to maturity: 90-150 days from transplant to red-ripe harvest
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Planting depth: 0.25 inches for seeds; transplants at same depth as root ball

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
Compost Aged manure Perlite for drainage Balanced slow-release fertilizer

Growing Zones

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Thrives in zones 9-11; can be grown as an annual in zones 3-8 with warm season cultivation

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

3-4 weeks

Small plants with 2-4 true leaves, delicate appearance, pale green foliage

Keep soil consistently moist but not waterlogged; maintain 70-80°F; provide 14-16 hours of light daily if growing indoors; avoid overwatering which causes damping off

2

Vegetative

6-8 weeks

Robust plant growth with increasingly thick stems and full canopy of glossy green leaves; plant reaches 24-36 inches tall

Maintain consistent moisture and full sun; begin fertilizing every 2 weeks with balanced NPK; pinch off early flower buds to encourage more branching; install support stakes or cages

3

Flowering

3-4 weeks

Small white flowers appear at leaf axils; multiple flower clusters develop along branches; flowers are self-pollinating

Maintain consistent soil moisture; avoid over-fertilizing nitrogen which reduces flowering; ensure adequate sunlight; gently shake plants mid-day to aid pollination; reduce water frequency slightly

4

Fruiting

4-6 weeks

Immature green peppers develop from flower bases, growing to full size (4-5 inches long); peppers remain dark green for 2-3 weeks

Maintain regular watering at soil level; support heavily-laden branches with stakes or string; fertilize every 3 weeks with slightly higher potassium; remove any diseased fruit immediately

5

Ripening & Harvest

2-4 weeks per flush

Peppers transition from dark green to dark red-burgundy color; flesh becomes thicker and sweeter; plant may produce multiple flushes of fruit

Continue consistent watering and care; harvest mature red peppers to encourage further flowering; peppers left on plant will eventually reach full red color (most flavorful stage); can continue harvesting until first frost

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Kohlrabi Brassicas (cabbage, broccoli, cauliflower) Other heavy feeders in same area

Common Pests

  • Spray with water to dislodge; use neem oil or insecticidal soap every 7 days; maintain humidity below 60% indoors; introduce predatory mites

  • Spray with strong water stream; use neem oil, insecticidal soap, or pyrethrin-based products; encourage natural predators like ladybugs

  • Install yellow sticky traps; spray with insecticidal soap or neem oil; use reflective mulch; maintain adequate air circulation

  • Remove affected leaves; spray with neem oil or spinosad; use blue sticky traps; maintain consistent moisture

  • Remove infected leaves and fruit; avoid overhead watering; improve air circulation; use copper-based fungicide; practice crop rotation

  • Remove and destroy infested fruit immediately; use pheromone traps; apply spinosad early in season; maintain sanitation

Uses

🍳

Dried Ancho Chiles & Mexican Cuisine

Culinary

Dried ancho chiles are a cornerstone of Mexican cooking, used to make sauces (mole, enchilada sauce), soups, and traditional dishes. They provide deep, fruity, slightly sweet and smoky flavor with minimal heat, making them versatile for various cuisines. [source]

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Fresh Ancho Peppers in Cooking

Culinary

Fresh red ancho peppers can be roasted, stuffed, grilled, sautéed, or added to salsas and sauces. They are sweeter and milder than jalapeños, making them accessible for heat-sensitive palates while adding vibrant flavor and nutrition. [source]

💊

Capsaicin & Anti-inflammatory Properties

Medicinal

Ancho peppers contain capsaicin, a compound with analgesic and anti-inflammatory properties that may help reduce pain and support circulation. Traditional medicine has used peppers for digestive support and immune system health. [source]

🏠

Ancho Pepper Powder & Spice Blends

Household

Dried ancho peppers can be ground into a mild, aromatic powder used for seasoning rubs, spice blends, and as a coloring agent in foods. This homemade ancho powder is fresher and more flavorful than commercial varieties. [source]

🦋

Pollinator-Attracting Flowers

Wildlife

Ancho pepper flowers attract bees, butterflies, and other beneficial pollinators to the garden, supporting broader ecosystem health and improving fruit set through pollination. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Ancho peppers are traditionally harvested at full red ripeness for drying to make ancho chiles, though they can be eaten fresh at the green or red stage. For drying: harvest fully red peppers by cutting (not pulling) the stem; dry in a warm, well-ventilated area (70-85°F) for 2-4 weeks until pliable but not brittle. To speed drying, use a dehydrator at 140-160°F for 8-12 hours. For fresh eating: harvest at red stage for sweetest flavor, or at green stage for slightly different taste profile. Peppers can remain on the plant through multiple fruiting cycles before the first frost.

Fun Facts

  • 🌱 The term 'ancho' literally means 'wide' in Spanish, referring to the peppers' distinctively broad, flat shape compared to other chili varieties.
  • 🌱 When dried, ancho peppers develop a complex flavor profile with notes of chocolate, raisins, and plum—this transformation occurs through chemical changes during the slow drying process and makes them distinct from fresh peppers.
  • 🌱 Ancho peppers are technically the same species as bell peppers and jalapeños (all Capsicum annuum), but they have been selected and bred over centuries in Mexico specifically for their large size, mild heat, and excellent drying characteristics.

Gardening Terms

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