Lettuce Iceberg Seeds – Heirloom Crisphead Classic

Ontario Grown
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Clear duties overview for US customers at checkout: Grand Seeds covers 50% tariffs on your order!

4 in stock In Stock - Shipped within 5 days

Contains about 1 gram of seeds

$1.95

SKU: GS-6932-LET-DT

Free shipping on orders over $50 (in Canada)

Organicly grown

Non GMO

Description

Lettuce Iceberg (Lactuca sativa), also historically known as 'Great Lakes', is the quintessential American crisphead lettuce introduced in 1894. Celebrated for its tight, tightly wrapped round heads and unmatched succulent crunch, it features light green, wavy outer leaves protecting a blanched, crisp, pale-green to white interior core. Exceptionally refreshing with a mild, sweet flavor, home-grown Iceberg delivers superior crispness and holding capacity compared to commercial store-bought heads. An indispensable garden staple for fresh wedge salads, burgers, tacos, sandwiches, and wraps.

Specifications

Plant Name: Lettuce Iceberg (Lactuca sativa)
Cultivar Type: Heirloom, Open-Pollinated
Plant Class: Cool-Season Leafy Vegetable (Annual)
Color: Crisp medium-green outer wrapper leaves with a pale-green to white blanched interior
Plant Characteristics: Medium to large dense crisphead, tightly packed leaves, crunchy watery texture, sweet mild flavor
Suitable Space: Vegetable garden beds, raised plots, intensive succession rows, patio containers
Season: Cool Season (Spring & Autumn)
Best Time for Sowing (Zone 6b): Direct sow outdoors late April to May as soon as soil can be worked; or start indoors late March for early spring transplanting. Sow again mid-to-late July for a high-quality autumn harvest.
Sunlight: Full Sun to Partial Shade (benefits from light afternoon shade during warm spells)
Watering Needs: Moderate (requires steady, consistent moisture to ensure firm head formation
prevent bitter leaves or tip burn): prevent bitter leaves or tip burn)
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What is included?

Contains about 1 gram of seeds

Check out the growing specs for the specific organic heirloom seeds you bought.

Good to know

Delivers the classic, ultra-crisp texture and refreshing crunch that crisphead lettuces are famous for
Holds exceptionally well after harvest, remaining crisp in cold storage longer than loose-leaf types
Outer wrapper leaves protect the inner core from mild garden dirt and dust

Takes longer to form solid mature heads (70–80 days) compared to fast loose-leaf or butterhead varieties
Sensitive to midsummer heat spikes, which can induce early bolting or interior tip burn if soil moisture fluctuates

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