Leek illustration

Leek Growing Guide

Amaryllidaceae family

Days to Harvest120 days
SunlightFull Sun
Frost ToleranceModerate
Spacing4/sqft (6" apart)
Germination7-14 days
HardinessHardy
Germ. Temp70°F
Start Indoors10 weeks before last frost

Companion Planting

Avoid Planting Near

BeansPeas

Growth Stages

  1. Seedling / Sprouting
  2. Leaf Growth / Bulbing
  3. Mature / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Leek?

Leek takes approximately 120 days from planting to harvest.

How much sun does Leek need?

Leek requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Leek?

Plant Leek at 4/sqft (6" apart) using square foot gardening spacing.

Can Leek survive frost?

Leek is tolerant of moderate frost.

What are good companion plants for Leek?

Good companion plants for Leek include Carrots, Onions, Celery. Avoid planting near Beans, Peas.

How long does Leek take to germinate?

Leek seeds germinate in 7-14 days at an optimal temperature of 70°F.

When should I start Leek seeds indoors?

Start Leek seeds indoors 10 weeks before your last frost date, then transplant -2 weeks after last frost.

Plan Your Leek Garden

Track Leek from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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