How to Grow Ají Amarillo Mirasol

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Ají Amarillo Mirasol

Capsicum baccatum var. pendulum

vegetable

Ají Amarillo Mirasol is a Peruvian chili pepper that produces medium-sized, yellow-orange fruits with a fruity, slightly sweet flavor and moderate heat (30,000-50,000 Scoville units). These peppers are iconic in Peruvian cuisine, traditionally dried and used to make ají amarillo paste, a staple ingredient in many classic dishes. The plant is a semi-perennial shrub that can reach 3-4 feet tall and produces abundant flowers followed by hanging fruit.

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Example Ají Amarillo Mirasol timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ají Amarillo Mirasol

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Ají Amarillo Mirasol

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Ají Amarillo Mirasol dates for your own zip code.

Growing Conditions

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Sun: Full sun, 8+ hours daily for optimal fruit production
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Water: Regular watering, keeping soil consistently moist but not waterlogged. Requires about 1-1.5 inches per week. Reduce watering slightly once established to concentrate flavors.
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Spacing: 18 inches
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Days to maturity: 90-120 days from transplant
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Planting depth: 0.25 inches for seeds; transplant at 2-3 inches tall

Soil

Type: Well-draining loamy soil with good organic matter
pH: 6.0-6.8
Amendments:
Compost Aged manure Perlite or sand for drainage Potassium-rich fertilizer

Growing Zones

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Thrives in zones 9b-11; can be grown as an annual in zones 7-9 with season extension

9b 10a 10b 11a 11b

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Growth Stages

1

Germination & Seedling

10-14 days germination; 4-6 weeks to transplant size

Seeds sprout into small seedlings with cotyledons and first true leaves

Maintain 75-85°F soil temperature. Keep soil moist. Provide grow lights 14-16 hours daily if indoors. Thin seedlings or transplant into individual pots at 2-3 inches tall.

2

Vegetative Growth

4-6 weeks after transplant

Plant develops multiple stems, leaves, and branching structure; compact bushy form emerges

Harden off seedlings before transplanting outdoors. Space 18 inches apart. Water regularly. Apply light fertilizer every 2-3 weeks with balanced NPK (or slightly higher nitrogen). Pinch growing tips to encourage bushiness if desired.

3

Flowering

3-4 weeks

Small, delicate white to pale yellow flowers appear in clusters along branches; flowers are self-fertile

Reduce nitrogen fertilizer; switch to higher phosphorus/potassium blend (e.g., 5-10-10). Maintain consistent watering and warm temperatures (70-85°F). Avoid over-fertilizing, which reduces flowering. Hand-pollinate or encourage pollinators.

4

Fruit Development & Maturation

60-90 days

Flowers set small green fruits that gradually enlarge and change color from green to golden-yellow to deep orange; fruits hang downward (mirasol means 'look at the sun')

Continue watering consistently and fertilize with potassium-rich formulas. Support heavy-laden branches with stakes or cages. Fruits mature 60-90 days after flowering. Full color indicates peak flavor and heat.

5

Harvest & Ripeness

Ongoing; peak productivity 3-4 months

Fruits reach full golden-yellow or orange color, firm texture, and peak flavor; plant continues producing if harvested regularly

Harvest when peppers reach full color for maximum flavor and shelf life. Use pruning shears to avoid damaging branches. In warm climates, plants can bear fruit for 2+ years if protected from frost. For drying, harvest when fully ripe.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Kohlrabi Brassicas (to a lesser extent) Tomato (compete for nutrients)

Common Pests

  • Spray with neem oil or insecticidal soap; introduce ladybugs; blast with water spray

  • Increase humidity; spray with miticide or neem oil; dust with sulfur in cooler months

  • Use yellow sticky traps; spray with neem oil or insecticidal soap; reflective mulches

  • Remove infected fruits immediately; use pheromone traps; apply spinosad or pyrethrin sprays

  • Improve air circulation; apply sulfur dust or fungicide; remove affected leaves

Uses

🍳

Ají Amarillo Paste

Culinary

Dried peppers are rehydrated and blended into a vibrant golden paste that is a cornerstone of Peruvian cooking, used in ceviches, causa, and countless traditional dishes. The paste provides fruity heat, depth, and authentic flavor to both traditional and modern fusion recipes. [source]

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Fresh Pepper Dishes

Culinary

Fresh yellow peppers can be used raw in salads, salsas, and relishes, or cooked in stir-fries, ceviche, and cream-based sauces. Their fruity, slightly sweet flavor makes them less intensely hot than jalapeños, suitable for those seeking moderate heat. [source]

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Drying and Storage

Household

Ají Amarillo Mirasol is ideally suited for air-drying due to its thin skin and downward-hanging orientation. Dried peppers store for 6+ months in cool, dark conditions and can be rehydrated on demand, making them an excellent pantry staple. [source]

💊

Capsaicin and Anti-inflammatory Properties

Medicinal

Like all capsicums, Ají Amarillo contains capsaicin, a compound known for pain-relief properties and potential anti-inflammatory benefits. Traditional Peruvian medicine has long used ají peppers to support digestion and circulation. [source]

🦋

Pollinator Support

Wildlife

The delicate white flowers attract bees, butterflies, and other beneficial pollinators, making Ají Amarillo Mirasol a valuable addition to pollinator gardens while simultaneously improving fruit set through natural 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

Harvest peppers when they reach full golden-yellow or orange color for peak flavor, typically 90-120 days after transplant. For fresh use, cut with pruning shears leaving a short stem. For drying (the traditional method in Peru), leave fully ripe peppers on the plant to air-dry or harvest and hang-dry in a warm, well-ventilated space for 2-3 weeks until papery-thin. Regular harvesting encourages continued production.

Fun Facts

  • 🌱 The name 'Mirasol' literally means 'look at the sun' in Spanish, referring to the upward-facing hanging habit of the ripe golden peppers that resemble small suns.
  • 🌱 Ají Amarillo has been cultivated in Peru for thousands of years and is a protected geographical indication (PGI) ingredient in Peru, with particular regional varieties from the Ica region highly prized by chefs.
  • 🌱 Unlike jalapeños or serranos (Capsicum annuum), Ají Amarillo belongs to the Capsicum baccatum species, which is native to South America and known for its fruity, complex flavor profile distinct from other pepper species.

Gardening Terms

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