Types of lettuce

1. Iceberg lettuce
2. Romaine lettuce
3. Butterhead lettuce
4. Red leaf lettuce
5. Green leaf lettuce
6. Arugula
7. Spinach
8. Endive
9. Radicchio
10. Watercress

Crisphead Lettuce

- Iceberg lettuce: Large, round heads with crisp, pale green leaves.
- Boston lettuce: Smaller, loose heads with buttery, slightly crumpled leaves.
- Bibb lettuce: Petite, round heads with tender, sweet leaves.

Looseleaf Lettuce

- Green leaf lettuce: Large, dark green leaves with a mild flavor.
- Red leaf lettuce: Dark red leaves with a slightly sweeter flavor.
- Oak leaf lettuce: Frilly, deeply lobed leaves with a slightly nutty flavor.
- Butterhead lettuce: Soft, buttery leaves that form a loose head.
- Romaine lettuce: Long, upright leaves with a crisp texture and slightly bitter flavor.
- Arugula: Peppery, dark green leaves that can be used in salads or as a garnish.
- Spinach: Dark green, nutritious leaves that are commonly used in salads or cooked dishes.

Summer Crisp Lettuce

- French Crisp lettuce: Loose heads with large, crisp, and slightly elongated leaves.
- Batavian lettuce: Loose heads with ruffled leaves and a slightly bitter flavor.

Specialty Lettuce

- Mizuna: Long, serrated leaves with a spicy flavor.
- Tatsoi: Dark green leaves with a spoon-shaped form and a mild flavor.
- Pac choi: Frilly, light green leaves with a crispy texture and slightly bitter flavor.
- Radicchio: Maroon-colored leaves with a bitter and peppery flavor.
- Belgian endive: Small, cylindrical heads with curly, light green leaves and a slightly bitter flavor.