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	Depth to Plant	Spacing Between Plants	Days to Germinate (Sprout)	Germination Soil Temp	Best Season to Plant_________	Sun Requirement	Soil Requirements	Good Plant Companions	Harvest Instructions
Shop Leek Seeds	1/2 inch deep	Thin to 1 inch apart	8-20 days	(60-65°F) is best	Early spring Summer	Full sun or light shade	Between pH 6.5 - 7.0	Peppers	Remove green tops & store in fridge for up to 2 weeks

Starting Leeks from Seed

Planting leek seeds is one of the most rewarding ways to build a productive garden. These versatile vegetables thrive when started properly and reward patient gardeners with crisp, tender stalks. Here's everything you need to know to succeed.

When to Start Your Leek Seeds

Leeks have a long growing season, so timing is essential. Start leek seeds indoors 10 to 12 weeks before your last spring frost. This gives seedlings plenty of time to develop before transplanting outdoors. If you live in a region with a short growing season, starting early ensures mature leeks before fall arrives.

Preparing Your Seed Starting Setup

Use a quality seed-starting mix that drains well and stays consistently moist. Fill seed trays or small pots, water thoroughly, and sow seeds about a quarter inch deep. Space seeds closely—leeks don't mind crowding at this stage. Cover with a humidity dome or plastic wrap to maintain moisture, then place in a warm location with temperatures between 65 and 75 degrees Fahrenheit.

Once seedlings emerge in 7 to 10 days, remove the cover and provide bright light. A sunny window or grow lights work well. Keep the soil moist but not waterlogged.

Thinning and Early Care

When seedlings develop their first true leaves, thin them slightly if they're crowded. Leek seedlings are delicate, so handle them gently. Continue providing bright light and steady moisture. Feed with a diluted liquid fertilizer every two weeks to support healthy growth.

Transplanting to the Garden

Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Choose a planting location with full sun and rich, well-draining soil amended with compost. Space plants 6 inches apart in rows, or closer if you prefer smaller leeks.

Dig a trench about 6 inches deep and set seedlings in the bottom. Don't fill the trench immediately—instead, gradually fill it as leeks grow. This blanching process keeps the white lower stem tender and mild.

Growing and Harvesting

Water regularly, providing about an inch per week. Keep weeds controlled and add a layer of mulch to retain moisture. Leeks are generally pest-resistant and don't require heavy feeding, though a side dressing of compost mid-season supports growth.

Harvest when stalks reach desired thickness, usually 4 to 6 weeks after transplanting. You can pull them anytime they're large enough, or wait until full maturity. Cool-season leeks actually improve in flavor after a light frost.

With proper planning and consistent care, seed-grown leeks deliver better flavor and satisfaction than store-bought varieties—plus you'll have the joy of growing them yourself from the very beginning.