How to Grow Volcano Scarlet

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Volcano Scarlet

Capsicum annuum 'Volcano Scarlet'

vegetable

Volcano Scarlet is an ornamental pepper variety prized for its striking upright, bright red peppers and compact, bushy growth habit. The peppers are small to medium-sized, typically 2-3 inches long, with a fiery appearance and mild to moderately hot heat level. This variety is excellent for containers, borders, and edible landscaping due to its visual appeal and prolific fruit production.

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Example Volcano Scarlet timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Volcano Scarlet

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Volcano Scarlet

    Around Jul 16

    ≈ 90 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8-10 hours daily for best fruiting and color development
💧
Water: Consistent moisture; water deeply when top 1 inch of soil is dry. Avoid overwatering or waterlogging. Increase frequency during hot weather and fruiting.
📏
Spacing: 12 inches
📅
Days to maturity: 90-120 days from transplant to first ripe fruit
🌱
Planting depth: 0.25 inches for seeds; transplants at same depth as container

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
compost peat moss or coconut coir perlite or coarse sand for drainage balanced fertilizer

Growing Zones

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Thrives in zones 9b-11, commonly grown as an annual in cooler zones or indoors

9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Tiny cotyledons emerge within 7-10 days. Plant develops first true leaves; very delicate and slow-growing.

Keep soil consistently moist but not waterlogged. Maintain 70-75°F. Provide bright, indirect light or grow lights 2-3 inches above seedlings.

2

Vegetative

4-6 weeks

Plant develops bushy foliage with 4-6 true leaves. Stems thicken and growth accelerates. No flowers yet.

Maintain warm temperatures (70-85°F). Begin light fertilizing every 2 weeks with balanced fertilizer. Gradually acclimate to outdoor conditions if transplanting.

3

Flowering

3-4 weeks

Small white flowers appear at leaf axils. Plant becomes increasingly compact and branched. Flowers are delicate and short-lived.

Maintain consistent watering and warmth. Apply bloom-boosting fertilizer (higher phosphorus). Ensure adequate sunlight for pollination. Gentle air circulation aids pollination.

4

Fruiting

4-6 weeks

Small green peppers form and grow upright on branches. Peppers gradually elongate and change color from green to bright red over 2-3 weeks.

Continue consistent watering, especially during fruit development. Maintain fertilizer schedule. Mulch around base to retain moisture and regulate soil temperature.

5

Harvest

6-8 weeks (ongoing)

Peppers reach full size and display vibrant scarlet color. Plant continues producing new flowers and fruit throughout season in warm climates.

Harvest ripe peppers regularly to encourage continued production. Use sharp pruners or scissors to avoid damaging branches. In cooler zones, plants slow significantly once night temps drop below 60°F.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel kohlrabi cabbage

Common Pests

  • Increase humidity, mist foliage, spray with neem oil or insecticidal soap weekly as needed

  • Strong water spray, insecticidal soap, neem oil, or introduce beneficial insects like ladybugs

  • Remove affected fruit, apply spinosad, practice crop rotation, remove plant debris

  • Yellow sticky traps, neem oil, insecticidal soap, reflective mulch

  • Plant disease-resistant varieties, improve soil drainage, remove infected plants, sterilize tools

Uses

🍳

Fresh eating and mild heat cooking

Culinary

Volcano Scarlet peppers can be eaten fresh, sliced into salads, or used in cooking. They offer a mild to moderate heat level (30,000-50,000 Scoville units), making them accessible to those who enjoy some spice without extreme intensity. [source]

🏠

Ornamental container gardening

Household

The compact, bushy growth habit and vibrant scarlet fruits make Volcano Scarlet ideal for decorative pots on patios, balconies, and windowsills. It provides both visual interest and edible produce. [source]

🍳

Drying and powdering

Culinary

Ripe peppers can be dried whole or sliced, then ground into spicy powder for use as a seasoning or spice blend. They retain flavor and heat when properly dried. [source]

🦋

Pollinator attraction

Wildlife

The flowers attract bees and other pollinators, making this plant valuable in edible landscapes designed to support beneficial insects. [source]

🎨

Decorative dried arrangements

Craft

Peppers can be left on the plant to dry naturally or harvested and air-dried for use in dried flower arrangements, wreaths, and fall decorations. [source]

Harvest Tips

Peppers can be harvested green or allowed to fully ripen to scarlet red (red peppers are sweeter and contain more nutrients). Use clean scissors or pruners to cut peppers with a short stem attached. Harvest regularly to encourage continuous production. In containers, plant may produce fruit for 6+ months in warm climates or indoors.

Fun Facts

  • 🌱 Volcano Scarlet peppers are called 'volcano' for their upright, flame-like growth pattern where peppers point dramatically skyward on the plant.
  • 🌱 The red color in mature peppers comes from lycopene and beta-carotene, antioxidants that develop as the fruit ripens and become more nutritious than green peppers.
  • 🌱 A single Volcano Scarlet plant can produce 40-100+ peppers over a growing season in ideal conditions, making it extremely prolific for ornamental edible gardening.

Gardening Terms

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

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