Lettuce belongs to the Lactuca genus.

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Lettuce is a cool season crop and is tolerant of some frost (though not hard freezes). It gets bitter with hot temperatures, and in most places cannot be grown through the summer. Partial shade can extend the harvest through warmer weather.

Sow in early to mid spring for spring crops, or in late summer to harvest in fall.

Make successive plantings every few days to extend period of harvest.

Lettuce can be harvested either by removing the entire head, in which case the plant is finished, or by removing leaves from the outside and allowing the center to keep growing.

• Lifecycle The lifecycle that this plant exhibits. Annual Category The basic category that this plant belongs to. Vegetable
• Hardiness How frost hardy this plant is. Tender Country of Origin Where this plant originated from.
• Mature Height How tall the plant will be when it grows up. 20.0 cm / 7.8" Mature Spread How wide the plant will be when it grows up. 20.0 cm / 7.8"
• Bloom Time When this plant usually blooms. ? Harvest Time When this plant is usually harvested. Early Autumn

How to keep this plant happy

• USDA Zone Range The zones that this plant is recommended to grow best in. 4 - 9 pH Range The level of acidity that this plant thrives in. 5.8 - 6.8
• Water Requirements The amount of water that this plant likes to drink. High Nitrogen Requirements The amount of nitrogen that should be present in the soil. Medium
• Soil The type of soil that this plant likes to live in.
  Combination Potting Mix
  Sun The type of light that this plant likes to sunbake in.
  Full Sun Partial Sun
• Min. Air Temperature The lowest air temp that this plant will be happy in. ? Max. Air Temperature The highest air temp that this plant will be happy in. ?

Sowing and Germinating Instructions

• Can Sow Direct? Can seeds be sown directly in situ? Yes Sowing Depth Seeds should be sown at this depth. 1.25 cm / 0.39"
• Sowing Distance Apart This plant should be sown at least this distance apart 15.0 cm / 5.85" Sowing Row Distance Apart This plant should be sown in rows at least this distance apart 15.0 cm / 5.85"
• Min. Germination Temperature The lowest temp that this plant will germinate from seed. 5°C / 41°F Max. Germination Temperature The highest temp that this plant will germinate from seed. 27°C / 81°F

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Planting Out / Transplanting Instructions

• Planting Distance Apart Seedlings should be planted this far apart. 15.0 cm / 5.85" Planting Row Distance Apart Rows between plantings should be at least this far apart. ?

How long does it approximately take to grow?

• Days to Germination From seed to seedling 12 days Average 12 days | Min 2 days | Max 73 days (62)
• Days to Transplant From seedling to transplant / planting out + days
• Days to Maturity From transplant to harvest / maturity of plant + 44 days Total Growing Days From seed to maturity = days

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When should I start sowing and growing?

• When to sow The number of days to sow before or after your last frost date. 60 days before Last Frost Date When to plant out The number of days to plant out before or after your last frost date. 45 days before Last Frost Date

Etymology

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Other Names