How to Grow Mixed Jewels

Wikimedia Commons

Mixed Jewels

Capsicum annuum var. annuum

vegetable

Mixed Jewels is a colorful ornamental and edible pepper variety that produces small, jewel-toned peppers in shades of red, yellow, orange, and purple on compact plants. The peppers are mild to slightly sweet and highly attractive, making this variety popular for both decorative container growing and culinary use. Plants are typically compact and bushy, perfect for patios, balconies, and small garden spaces.

When should you plant Mixed Jewels 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 Mixed Jewels timeline →

Example Mixed Jewels timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Mixed Jewels

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Mixed Jewels

    Around Jun 16

    ≈ 60 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum; 8+ hours optimal for best color and production
💧
Water: Consistent moisture; water deeply 1-2 times per week depending on temperature and rainfall. Keep soil evenly moist but not waterlogged. Mulch around plants to retain moisture and regulate soil temperature.
📏
Spacing: 12 inches
📅
Days to maturity: 60-90 days from transplant to first ripe peppers
🌱
Planting depth: 0.25 inches for seeds; transplants at same depth as seedling pot

Soil

Type: Well-draining loamy soil with organic matter
pH: 6.0-6.8
Amendments:
compost aged manure perlite or sand for drainage balanced slow-release fertilizer

Growing Zones

Find your zone →

Thrives in zones 5-10 as a warm-season annual; can be grown in zones 2-4 in containers or with season extension

2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b

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

Get my Mixed Jewels timeline →

Growth Stages

1

Seedling

3-4 weeks

Small plants with 2-4 true leaves, tender and fragile appearance

Keep soil consistently moist but not soggy. Provide 14-16 hours of grow light daily if indoors. Maintain 70-75°F for optimal germination. Begin light fertilizing once true leaves appear.

2

Vegetative Growth

4-6 weeks

Bushy plant development with increasing leaf production, compact branching habit becomes evident

Gradually harden off plants before transplanting. Maintain full sun exposure and consistent moisture. Feed every 2-3 weeks with balanced fertilizer. Pinch off first flower buds if plants are small to encourage branching.

3

Flowering

3-4 weeks, ongoing

Small white flowers appear at branch terminals; flowers may briefly drop in stress conditions

Ensure consistent watering and avoid temperature stress. Reduce nitrogen; increase phosphorus and potassium to support flowering. Provide light hand-pollination with a small brush if grown indoors.

4

Fruit Development

3-4 weeks per fruit

Small immature peppers begin swelling; initially green, then progressively change color to red, yellow, orange, or purple

Maintain consistent moisture and warmth (70-80°F). Provide balanced fertilization. Support heavy fruit loads with staking if needed. Watch for pests that target developing fruit.

5

Harvest

Ongoing until frost

Peppers reach full size and vibrant color; mature fruits are firm and glossy with rich coloration

Harvest regularly to encourage continued production. Use a clean knife or pruners to avoid damaging branches. Peppers can be harvested at any color stage, but waiting for full color development increases sweetness and nutritional content.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel kohlrabi brassicas (cabbage, broccoli) too much shade-producing plants

Common Pests

  • Spray with neem oil or insecticidal soap; encourage beneficial insects like ladybugs; use reflective mulches

  • Increase humidity; spray with water to dislodge; use miticide if severe; neem oil effective in cool conditions

  • Remove infested fruit immediately; use pheromone traps; apply spinosad if populations are high

  • Yellow sticky traps; neem oil spray; insecticidal soap; reflective mulching

  • Remove affected flowers; use blue sticky traps; spray with neem oil or spinosad

Uses

🍳

Fresh eating and cooking

Culinary

Mixed Jewels peppers are mild and slightly sweet, making them excellent raw in salads, as crudités, or fresh additions to stir-fries, pasta, and grain bowls. Their jewel tones add visual appeal to any dish while providing crisp texture and subtle sweetness. [source]

🍳

Roasting and grilling

Culinary

The peppers can be roasted whole or sliced, developing deeper, sweeter flavors with slight char marks. Roasted Mixed Jewels peppers are delicious in spreads, sauces, or as a standalone side dish. [source]

💊

Vitamin C and antioxidant source

Medicinal

Colorful peppers are rich in vitamin C and antioxidants, particularly in fully ripe fruits. These compounds support immune function and may reduce inflammation. [source]

🏠

Ornamental and decorative

Household

Mixed Jewels peppers are stunning as living decorative plants on patios, balconies, and in containers. The array of jewel-toned colors provides weeks of visual interest while producing edible fruit. [source]

🦋

Pollinator attraction

Wildlife

The flowers attract bees, butterflies, and other beneficial pollinators that support broader garden health and fruit production throughout the season. [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 size and desired color intensity. Green peppers can be harvested early; waiting for color development (red, yellow, orange, purple) increases sweetness and vitamin C content. Use a sharp knife or pruners to cut peppers from the plant rather than pulling. Regular harvesting encourages continuous flowering and fruit production throughout the season. Peppers keep for 1-2 weeks in the refrigerator.

Fun Facts

  • 🌱 Mixed Jewels peppers can produce peppers in multiple colors simultaneously on the same plant, creating a stunning rainbow effect as different fruits mature at different rates.
  • 🌱 Pepper plants are actually perennials that can live for several years in frost-free climates, though they are typically grown as warm-season annuals in temperate zones.
  • 🌱 The heat in peppers comes from capsaicin, but Mixed Jewels varieties are mild with little to no capsaicin, making them suitable for all heat-tolerance levels.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Mixed Jewels planting timeline

Tell us your zip code and we'll calculate exactly when to start Mixed Jewels 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 Mixed Jewels timeline →