SuNutri
SuNutri
Shishito Pepper
Beginner

Shishito Pepper

Capsicum annuum

Family: Solanaceae

Shishito peppers are small, mild Japanese peppers that are typically blistered in a hot pan and served as an appetizer. Most are mild, but about 1 in 10 packs unexpected heat—making eating them an exciting experience!

Days to Harvest

55-70 days

Sun Needs

Full Sun (6-8+ hours)

Water Needs

moderate

Germination Temp

80°F optimal

Seed Starting

Start Indoors

8 weeks before last frost

Germination

7-14 days

Seed Depth

1/4 inch

Light to Germinate

No

💡 Tip: Easy to germinate. Very prolific producers.

Growing Conditions

Soil Type

Well-draining, fertile soil

pH Range

6 - 6.8

Spacing

18-24 inches between plants

Companion Plants
TomatoesBasil

⚠️ Avoid planting near:

Fennel
History & Nutrition

History

Shishito peppers are a Japanese variety that likely developed from Portuguese peppers introduced to Japan in the 16th century. The name "shishito" translates to "lion head" in Japanese, referring to the wrinkled tip of the pepper that resembles a lion's face. For centuries, shishitos remained a relatively obscure Japanese ingredient, commonly served as an izakaya (Japanese pub) snack blistered in a hot pan with oil and salt. The pepper's crossover to American cuisine began in the early 2000s, when upscale restaurants in cities like New York and San Francisco began featuring them as appetizers. Their appeal was multifold: the simple preparation, the pop of flavor when blistered, and most importantly, the "Russian roulette" element—while most shishitos are mild, roughly one in ten develops significant heat, creating a game of culinary chance that delights diners. By 2015, shishitos had become ubiquitous on American gastropub menus, and Trader Joe's began selling them bagged in their produce section, bringing them to the mainstream. The pepper's thin walls and small size make it perfect for quick high-heat cooking, and unlike most peppers that require peeling after charring, shishitos are eaten whole—blistered skin and all. Today, shishitos represent one of the most successful recent additions to American vegetable consciousness.

Nutritional Benefits

  • High in Vitamin C
  • Good source of Vitamin A
  • Contains fiber
Climate & Temperature

Optimal Growing Temp

70°F - 85°F

Shishitos thrive in moderate warmth. Soil temps should reach 65-70°F for transplanting. Tolerant of variable conditions.

Survival Range

55°F - 95°F

Can survive these temperatures

tender
warm Season

Best USDA Zones

Zone 6Zone 7Zone 8Zone 9

Humidity

40-60%

Japanese origin means adaptability. Good air circulation prevents issues in high humidity.

Plant Size & Growth

Height

24-30 inches

Spread

18-24 inches

Growth Habit

upright

annualRoot Depth: Moderate root system, 12-15 inches. Supports prolific production.
Growth Stages

Germination

7-14 days

Good germination. Bottom heat (75-80°F) helpful. Cotyledons emerge with typical pepper appearance.

Seedling Stage

Duration: 3-4 weeks

True leaves: First true leaves appear 2-3 weeks after germination with slightly wrinkled edges

Transplant ready: Ready when 4-5 inches tall with 4-6 true leaves

Vegetative Growth

Duration: 4-5 weeks

Bushy plants develop. Feed regularly for strong growth.

Flowering

Timing: 5-7 weeks after transplant

Duration: 2-3 weeks

Self-pollinating with small white flowers. Good fruit set in moderate temps.

Fruit Development

Begins: 7-10 weeks after transplant

Duration: 2-3 weeks per pepper

Small, wrinkled peppers develop quickly. Green to red progression if left.

Harvest Maturity

Timing: 60-75 days from transplant

  • Peppers reach 2-4 inches long
  • Bright green with wrinkled texture
  • Firm but slightly pliable
  • Easy to pick from plant
Expected Yield

Per Plant

50-100+ peppers per plant over the season

Per Square Foot

25-50 peppers

Harvest Frequency

Every 3-5 days once fruiting begins

Factors Affecting Yield

  • Extremely prolific producers
  • Small pepper size = fast development
  • Regular harvest essential for continued production
  • Consistent conditions maximize yield
Watering Guide

Seedling Stage

Keep evenly moist

Established Plants

Water when top inch dries

During Fruiting

Regular watering for best flavor

Preferred Method

Careful watering at soil level

⚠️ Critical Watering Periods

  • Flowering and early fruit development benefit from consistent moisture

Pro Tips

  • PRO TIP: Slight stress can increase the chance of "hot" peppers in your 1-in-10 Russian roulette
  • Consistent water = more consistent mild flavor
  • Morning watering reduces disease
  • Mulch to maintain even moisture
Fertilizing Guide
moderate feederRecommended: Balanced or slight emphasis on phosphorus/potassium

Feeding Schedule

Seedling

Dilute balanced fertilizer

Weekly

Vegetative

Balanced fertilizer for bushy growth

Every 2 weeks

Flowering

Switch to bloom formula

Every 2 weeks

Fruiting

Light bloom formula

Every 2-3 weeks

Organic Options

Fish emulsionCompost teaKelpWorm castings

Every 2-3 weeks during active growth

Container Growing
✓ Suitable for containers

Minimum Size

3 gallons

Recommended Size

5 gallons

Depth Required

At least 10 inches deep

Best Varieties for Containers

ShishitoMellow StarShishito Swordsman

Container Tips

  • Excellent container plants
  • Compact and attractive
  • Perfect for patio appetizer gardens
  • Good drainage essential
Support & Trellising
Support Optional

Support Type

stake

Height Needed

2 feet

When to Install

Install when plants begin setting fruit heavily

Method

Optional stake when heavily laden

Tips

  • Usually self-supporting
  • May appreciate support when loaded with peppers
  • Light stake helps in windy areas
✂️
Pruning Guide
Pruning Optional

Why Prune

Shape plantImprove air circulationRemove damaged material

When

Minimal pruning—early pinching for bushier growth if desired

Technique

Pinch growing tips when young for more branching

Remove

  • Damaged or yellowing leaves
  • Low branches touching soil

Keep

  • All flowering branches
  • Developing peppers
  • Healthy growth
Succession Planting

Plant Every

2-3 weeks for continuous harvest

Sowings/Season

3-4 plantings

Duration

6-8 weeks of succession planting window

Tips

  • Succession planting ensures steady supply for blistering
  • Last planting 70-80 days before first frost
  • Multiple plantings = more appetizer nights
Frequently Asked Questions

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