How to Grow Black Pearl Pepper

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Black Pearl Pepper

Capsicum annuum var. glabriusculum

vegetable

Black Pearl Pepper is an ornamental pepper plant that produces small, round, shiny black peppers that ripen to red. The plant is highly decorative with attractive foliage and is suitable for both gardens and containers. The peppers are quite hot (60,000-80,000 Scoville Heat Units) and can be used fresh or dried.

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

  1. Plant Black Pearl 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 Black Pearl Pepper

    Around Jul 16

    ≈ 90 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8-10 hours daily minimum
💧
Water: Keep soil consistently moist but not waterlogged; water deeply 2-3 times per week depending on temperature; reduce watering slightly once established
📏
Spacing: 18 inches
📅
Days to maturity: 90-150 days from transplant to first fruit harvest
🌱
Planting depth: 0.25 inches for seeds; transplants should be set at same depth as nursery pot

Soil

Type: Well-draining loamy to sandy soil
pH: 6.0-6.8
Amendments:
compost aged manure peat moss perlite

Growing Zones

Find your zone →

Thrives in warm zones 9b-11; grown as annual in cooler zones

9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

3-4 weeks

Small leaves emerge; plant is delicate with thin stems

Keep soil warm (70-80°F) and moist; provide bright light or grow lights; maintain 12-16 hours of light daily

2

Vegetative

4-6 weeks

Plant develops multiple stems, glossy dark green leaves, and grows bushy

Pinch back growing tips to encourage branching; provide consistent warmth and moisture; fertilize every 2 weeks with balanced fertilizer

3

Flowering

4-8 weeks

Small white flowers appear at branch tips; plant becomes more ornamental

Maintain warm temperatures (70-85°F); ensure adequate light; switch to lower nitrogen fertilizer (higher phosphorus); maintain consistent moisture

4

Fruiting

4-6 weeks per fruit maturation cycle

Peppers set and develop as small green spheres; peppers gradually turn glossy black, then red when fully mature

Continue regular watering and feeding; ensure full sun exposure for best color development; support branches if heavily laden with fruit

5

Harvest

Ongoing throughout season

Peppers are firm, glossy, and fully colored (black or red depending on desired maturity)

Harvest with pruning shears to avoid damaging plant; can harvest at black stage or allow to ripen to red; plant will continue producing throughout season

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

brassicas (cabbage, broccoli, cauliflower) fennel kohlrabi

Common Pests

  • Spray with neem oil or insecticidal soap; increase humidity; remove heavily infested leaves

  • Spray with water to dislodge; use neem oil or insecticidal soap; encourage natural predators like ladybugs

  • Use yellow sticky traps; spray with neem oil or insecticidal soap; ensure good air circulation

  • Remove infested fruits immediately; use reflective mulches; apply spinosad if infestation is severe

  • Spray with neem oil; use reflective mulch; remove and destroy heavily infested leaves

Uses

🍳

Hot pepper seasoning and fresh cooking

Culinary

Black Pearl Peppers are quite spicy (60,000-80,000 SHU) and can be used fresh in salsas, stir-fries, and curries, or dried for use as a fine-quality chili powder. The small size makes them ideal for drying whole. [source]

🌿

Decorative garden and container plant

Ornamental

The striking contrast of glossy black peppers against dark green foliage and the plant's compact, bushy form make it an attractive ornamental specimen. It works well in mixed containers, decorative pots, and as accent plants in flower borders. [source]

🏠

Indoor potted houseplant

Household

Black Pearl Pepper can be grown indoors on a sunny windowsill or under grow lights, making it a unique and functional houseplant that produces edible peppers year-round in controlled conditions. [source]

💊

Natural pain relief and circulation

Medicinal

Like all hot peppers, Black Pearl contains capsaicin, which has been used traditionally in topical remedies for pain relief and improving circulation. The compound has anti-inflammatory properties. [source]

🦋

Bird and pollinator attraction

Wildlife

The flowers attract bees, butterflies, and other pollinators, while the bright red mature peppers attract birds. This makes it excellent for creating wildlife-friendly gardens. [source]

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

Harvest Tips

Peppers can be harvested at the glossy black stage (immature) or allowed to ripen to red for fuller flavor and higher heat. Use sharp pruning shears to cut peppers from the plant to avoid damaging branches. Harvest regularly to encourage continued production. In warm climates, plants often produce fruit continuously through fall.

Fun Facts

  • 🌱 Black Pearl Peppers are named for their resemblance to small black pearls when immature; the name became popular in ornamental horticulture during the 1980s.
  • 🌱 These peppers will continue producing fruit indoors under proper lighting conditions and can live for several years when treated as a perennial houseplant.
  • 🌱 The plant's ornamental appeal has made it popular for holiday decorating, as potted plants with ripe red peppers can rival poinsettias in visual impact during winter months.

Gardening Terms

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