How to Grow Lanai Scarlet

Wikimedia Commons

Lanai Scarlet

Capsicum annuum var. annuum

vegetable

Lanai Scarlet is a compact, ornamental pepper variety known for its vibrant scarlet-red fruits and attractive bushy habit. It produces small, upright peppers that are both visually striking and edible, making it excellent for container growing and landscape use. The plant is highly productive and matures relatively quickly compared to standard pepper varieties.

When should you plant Lanai Scarlet 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 Lanai Scarlet timeline →

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

  1. Plant Lanai 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 Lanai Scarlet

    Around Jun 26

    ≈ 70 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily (prefers intense sunlight)
💧
Water: Moderate, consistent moisture; water deeply 1-2 times per week. Allow soil surface to dry slightly between waterings. Avoid waterlogging. Increase frequency during hot weather.
📏
Spacing: 12 inches
📅
Days to maturity: 70-90 days
🌱
Planting depth: 0.25 inches for seeds; transplants at same depth as nursery pot

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
compost peat moss perlite aged manure

Growing Zones

Find your zone →

Thrives in zones 5-10, but can be grown annually in cooler zones 3-4

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

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

Get my Lanai Scarlet timeline →

Growth Stages

1

Seedling

2-3 weeks

Tiny seedlings with first true leaves emerging; plant is 1-2 inches tall with delicate foliage

Keep soil consistently moist but not waterlogged. Provide bright light (14-16 hours under grow lights). Maintain temperature 70-80°F. Thin seedlings if overcrowded.

2

Vegetative Growth

3-4 weeks

Bushy plant developing 3-4 sets of true leaves; plant reaches 4-8 inches with increasing branching; compact, rounded habit forming

Gradually acclimate to outdoor light if growing indoors. Fertilize with balanced fertilizer (10-10-10) every 2 weeks. Maintain warm temperatures (65-75°F minimum). Keep soil consistently moist.

3

Flowering

2-3 weeks

Small white flowers with yellow centers appear in clusters along branch tips; plant is 10-14 inches tall and dense

Shift to higher phosphorus fertilizer (5-20-20) to encourage fruiting. Ensure adequate light and consistent moisture. Gently shake plant when flowers open to aid pollination, or use a small brush. Maintain warmth (70-80°F during day).

4

Fruiting

3-4 weeks

Small peppers (1-2 inches long) develop at branch tips, progressing from green to scarlet red; plant may have multiple fruits at various stages

Continue regular watering and balanced fertilization. Peppers may benefit from light staking if heavily laden. Remove oldest foliage if crowded to improve air circulation. Maintain consistent warmth.

5

Mature/Harvest

Until frost or 2-3 months+

Peppers fully color to deep scarlet red; plant reaches full compact size (12-18 inches); heavily productive with continuous flowering

Harvest regularly to encourage continuous production. Pick peppers at full red color for best flavor and ornamental appeal. Continue watering and fertilizing during growing season. In containers, ensure adequate drainage.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel kohlrabi brassica crops

Common Pests

  • Spray with water to dislodge mites; use miticide or neem oil; maintain humidity and adequate air circulation

  • Spray with strong water spray; use insecticidal soap or neem oil; introduce ladybugs; reflective mulches deter pests

  • Use yellow sticky traps; spray with neem oil or insecticidal soap; improve air circulation to prevent infestations

  • Remove and destroy infested peppers; use insecticide if infestation is severe; rotate crops annually

  • Maintain consistent watering; mulch around base to regulate moisture; add lime or gypsum to soil if calcium is deficient

Uses

🍳

Fresh eating and cooking

Culinary

Lanai Scarlet peppers are edible and can be eaten fresh in salads, sliced for snacking, or cooked in stir-fries and salsas. The ripe red peppers are sweeter than green peppers and add both flavor and vibrant color to dishes. [source]

🌿

Container and landscape decoration

Ornamental

The compact bushy habit and bright scarlet fruits make Lanai Scarlet excellent for decorative container gardens, patios, and landscape accents. It serves as a functional ornamental that provides visual interest while remaining productive. [source]

🦋

Pollinator attraction

Wildlife

The small white flowers attract bees, butterflies, and other beneficial pollinators to the garden. This helps support pollinator populations while ensuring good fruit set on the pepper plant. [source]

🏠

Dried pepper use

Household

Scarlet peppers can be dried and ground into spice powder, threaded as decorative strands, or used in dried arrangements. Dried peppers retain their vibrant color and add visual appeal to kitchen décor. [source]

Harvest Tips

Harvest peppers when fully colored deep scarlet red for best flavor and ornamental appeal. Peppers can be picked at any stage—green peppers are milder, while red peppers are sweeter and more mature. Use a sharp knife or pruning shears to cut peppers from the plant rather than pulling. Regular harvesting encourages continuous production. Peppers are fully ripe 60-90 days after transplanting.

Fun Facts

  • 🌱 Lanai Scarlet peppers mature from green to scarlet red in roughly 70-90 days, and a single plant can produce dozens of small peppers over a season.
  • 🌱 The compact, bushy habit makes Lanai Scarlet one of the most container-friendly pepper varieties, ideal for patios, balconies, and even indoor windowsills.
  • 🌱 Pepper plants are perennial in frost-free climates and can survive multiple years; in colder zones, they're grown as annuals but can be brought indoors before frost to overwinter.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Lanai Scarlet planting timeline

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