Mesclun Lettuce (Lactuca sativa)

Mesclun Lettuce

Lactuca sativa

A vibrant mix of tender, young salad greens offering a crisp texture and mild to peppery flavors. Annual leafy vegetable; other names: spring mix.

Prefers partial sun to full sun; benefits from afternoon shade in warmer climates to prevent premature bolting.
3/week
Beginner
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Plant Needs

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Sunlight Prefers partial sun to full sun; benefits from afternoon shade in warmer climates to prevent premature bolting.
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Watering Requires consistently moist soil to produce tender, non-bitter leaves.
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Temperature Thrives in cool weather; high heat causes bitterness and bolting.
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Characteristics

  • Leaves: A diverse mixture of young, tender leaves varying in shape from deeply lobed to smooth-edged, with colors ranging from pale green to deep purple or red;
  • Flowers: Small, pale yellow composite flowers on tall stalks (rarely seen in cultivation as plants are harvested before bolting);
  • Stems: Short, forming a basal rosette when young, elongating rapidly only when going to seed.
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Care Guide

Watering

Water frequently to keep the top inch of soil consistently moist, especially during dry spells.

Fertilization

Apply a light, nitrogen-rich organic feed to encourage leafy growth.. Frequent, light feeding supports the rapid "cut-and-come-again" harvest cycle.

Coffee Grounds Tea:Steep used coffee grounds in water overnight, strain, and use the liquid to water the plants. This provides a gentle nitrogen boost ideal for leafy greens. Avoid applying thick layers of uncomposted grounds directly to the soil to prevent mold.
Pruning
  • Harvest outer leaves when they reach 10-15 cm in length using the "cut-and-come-again" method;
  • Leave the central crown intact to allow for continuous regrowth;
  • Remove any yellowing or damaged leaves immediately to maintain airflow;
  • Pull the entire plant once it begins to bolt (send up a tall flower stalk), as leaves will become bitter.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Non-toxic to cats per ASPCA.

Humans: Completely safe and highly nutritious for human consumption.

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Garden Uses & Culture

Culture: Originating in Provence, France, the term "mesclun" comes from the Niçois word "mescla," meaning "to mix." It traditionally represents a spring harvest of the first tender greens of the season.

Usage: Primarily used fresh in salads, as a delicate bed for roasted meats, or as a crisp garnish in sandwiches.