Iceberg Lettuce
Lactuca sativa var. capitata
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Iceberg lettuce forms dense, crispy heads but is more challenging to grow than leaf lettuces. It requires consistent cool temperatures, even moisture, and patience for head formation.
Soil Requirements
Rich, well-draining soil with consistent moisture. pH 6.0-7.0.
Temperature Range
45-65°F (7-18°C). Strictly cool-season. Will not head in heat.
Fertilizer Needs
Moderate feeder. Apply nitrogen-rich fertilizer early, reduce as heads form.
Quick Growing Tips
- Needs consistent moisture for head formation
- Challenging in hot climates
- Harvest when head is firm
- Requires more space than leaf lettuce
- Baby iceberg faster to mature
Growing Details
Harvest Tips
Cut entire head at base when firm. Iceberg doesn't regrow like leaf lettuce.
Companion Planting
Plant with:
Avoid planting with:
Common Problems & Solutions
- Failure to head
- Bolting
- Tipburn
- Soft rot
Great Companion Plants
Related Guides & Resources
Frequently Asked Questions
How much light does Iceberg Lettuce need?
Iceberg Lettuce requires partial sun (3-6 hours of sunlight).
What size container do I need for Iceberg Lettuce?
Iceberg Lettuce needs a minimum of 8 inch pot. Larger containers provide better moisture retention and root development.
How long until I can harvest Iceberg Lettuce?
Iceberg Lettuce typically takes 80 days from planting to harvest.
What are common problems with Iceberg Lettuce?
Common problems include: Failure to head, Bolting, Tipburn, Soft rot.
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