SuNutri
SuNutri
French Breakfast Radish
Beginner

French Breakfast Radish

Raphanus sativus

Family: Brassicaceae

French Breakfast radishes are elegant, elongated radishes with red tops fading to white tips. Named for the French tradition of eating them for breakfast with butter and salt, they have a milder flavor than round red radishes.

Days to Harvest

21-30 days

Sun Needs

Full Sun to Partial Shade (4-6 hours)

Water Needs

moderate

Germination Temp

65°F optimal

Seed Starting

Start Indoors

0 weeks before last frost

Germination

3-7 days

Seed Depth

1/2 inch

Light to Germinate

No

đź’ˇ Tip: Direct sow only. Sow as soon as soil can be worked in spring.

Growing Conditions

Soil Type

Loose, well-draining soil

pH Range

6 - 7

Spacing

1-2 inches between plants, 6-12 inches between rows

Companion Plants
âś“ Lettuceâś“ Spinachâś“ Carrotsâś“ Peas

⚠️ Avoid planting near:

âś— Hyssop
History & Nutrition

History

This variety was introduced in France in the mid-1800s and quickly became a Parisian market favorite. The elongated shape and two-tone coloring made them distinctive and prized by gourmets.

Nutritional Benefits

  • âś“Good source of Vitamin C
  • âś“Very low in calories
  • âś“Contains fiber
Climate & Temperature

Optimal Growing Temp

50°F - 65°F

French Breakfast radishes prefer cool weather. Heat causes pithiness and bolting.

Survival Range

28°F - 75°F

Can survive these temperatures

semi hardy
cool Season

Frost Note: Tolerates light frost.

Best USDA Zones

Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8Zone 9

Humidity

50-70%

Moderate humidity is fine.

Plant Size & Growth

Height

6-8 inches

Spread

2-3 inches

Growth Habit

rosette

annualRoot Depth: Elongated roots 2-4 inches long.
Growth Stages

Germination

3-7 days

Quick germination.

Seedling Stage

Duration: 1-2 weeks

True leaves: Rough leaves develop

Transplant ready: Direct sow—radishes don't transplant.

Vegetative Growth

Duration: 2-3 weeks

Roots develop quickly.

Harvest Maturity

Timing: 21-28 days

  • Elongated shape visible
  • 2-3 inches long
  • Red with white tip
Expected Yield

Per Plant

1 radish

Per Square Foot

16-25 radishes

Harvest Frequency

Harvest as they mature

Factors Affecting Yield

  • •Quick harvest before heat
  • •Consistent moisture
Watering Guide

Seedling Stage

Keep moist

Established Plants

1 inch per week

During Fruiting

Consistent moisture

Preferred Method

Light, frequent watering.

⚠️ Critical Watering Periods

  • • Entire growth period

Pro Tips

  • Consistent moisture for mild flavor
Fertilizing Guide
light feederRecommended: Low or none

Feeding Schedule

Soil prep

Light compost

Once

Organic Options

Light compost

Minimal needed for fast crop.

Container Growing
âś“ Suitable for containers

Minimum Size

6 inches deep

Recommended Size

8+ inches deep

Depth Required

6 inches minimum

Best Varieties for Containers

French Breakfast

Container Tips

  • Well-draining mix
  • Keep moist
Succession Planting

Plant Every

Every 10-14 days

Sowings/Season

6-8

Duration

Spring and fall

Tips

  • Skip midsummer—too hot
Frequently Asked Questions

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