Lettuce Lactuca sativa

👤 Non-toxic to humans
🐾 Non-toxic to pets
🌸 Not blooming
🍪 Edible
‍🌱 Easy-care


Lettuce is a leafy green vegetable that typically grows to a height of 6 to 12 inches. It forms a compact rosette of leaves with a spread of 8 to 12 inches. The leaves of lettuce vary in shape and texture, ranging from smooth and rounded to frilly and crinkled, offering a diverse range of options for culinary use.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Сommon lettuce, Celtuce, Garden lettuce

    • Common names

      Lactuca scariola var. sativa, L. scariola var. integrata, L. scariola var. integrifolia

  • skullToxicity

    • To humans

      Lettuce is generally safe for human consumption and is not considered toxic. However, some individuals may experience allergic reactions or digestive discomfort if they have specific sensitivities or consume large quantities of certain lettuce varieties.

    • To pets

      Lettuce is often included in the diet of many animals, including rabbits, guinea pigs, and certain reptiles. However, while lettuce is generally safe for these animals in moderate amounts, excessive consumption can lead to digestive issues such as diarrhea. It's important to provide a balanced diet for animals and not rely solely on lettuce as their primary food source. Additionally, some varieties of lettuce, such as iceberg lettuce, have lower nutritional value for animals compared to darker leafy greens.

  • infoCharacteristics

    • Life cycle


    • Color of leaves


    • Flower color


    • Height

      Up to 1 foot

    • Spread

      Up to 1 foot

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    Nutrient-rich: Lettuce is a good source of essential vitamins and minerals, including vitamin A, vitamin K, folate, and potassium.

    Hydration: Lettuce has a high water content, making it a hydrating food choice.

    Low in calories: Lettuce is low in calories, making it a popular choice for those watching their calorie intake.

    Fiber content: Lettuce contains dietary fiber, which aids in digestion and promotes bowel regularity.

    Antioxidant properties: Lettuce contains various antioxidants that help protect the body against oxidative stress and damage caused by free radicals.

    Weight management: Lettuce's low calorie and high fiber content can contribute to a healthy weight management plan.

    Versatility: Lettuce is a versatile ingredient that can be used in a variety of dishes, including salads, sandwiches, wraps, and stir-fries.

    Refreshing and crisp texture: Lettuce adds a refreshing and crunchy texture to meals, enhancing the overall eating experience.

    Dietary diversity: Including lettuce in your diet adds diversity to your overall nutrient intake and can contribute to a well-rounded eating pattern.

    Natural source: Lettuce is a natural food that can be grown in gardens or obtained from local farms, supporting a sustainable and environmentally friendly food system.

  • medicalMedical Properties

    Anti-inflammatory effects: Lettuce contains certain compounds, such as flavonoids and polyphenols, that have anti-inflammatory properties. These compounds may help reduce inflammation in the body, potentially benefiting conditions like arthritis and other inflammatory diseases.

    Sleep aid: Some varieties of lettuce, such as romaine lettuce, contain a natural substance called lactucarium, which is believed to have sedative properties. Consuming lettuce or its extract may help promote relaxation and improve sleep quality.

    Digestive health: Lettuce is rich in dietary fiber, which is essential for maintaining a healthy digestive system. Adequate fiber intake can promote regular bowel movements, prevent constipation, and support overall gut health.

    Hydration and skin health: With its high water content, lettuce can help hydrate the body and promote healthy skin. Staying adequately hydrated is essential for maintaining skin elasticity, preventing dryness, and promoting a youthful complexion.

    Nutritional support: Lettuce is a good source of vitamins, minerals, and antioxidants, which play vital roles in supporting overall health and well-being. These nutrients contribute to the proper functioning of various bodily systems, including the immune system, cardiovascular system, and cellular processes.

    Weight management: Lettuce's low calorie and high fiber content make it a valuable addition to weight management diets. It provides volume and satiety without adding excessive calories, making it a healthy choice for those aiming to lose or maintain weight.

  • windAir-purifying Qualities

    Lettuce is not commonly known for its air-purifying qualities

  • leavesOther Uses

    Lettuce Wraps: Lettuce leaves can be used as a healthy alternative to tortillas or bread by wrapping them around various fillings like meat, vegetables, or tofu.

    Lettuce Soup: Lettuce can be used as a base ingredient in soups, adding a unique flavor and texture to the dish. It works particularly well in lighter, brothy soups.

    Lettuce Smoothies: Adding lettuce leaves to your smoothies can provide an extra boost of nutrients and a refreshing green taste. It pairs well with fruits like apples, bananas, or berries.

    Lettuce Tea: Some varieties of lettuce, such as romaine lettuce, can be brewed into a herbal tea. It is believed to have calming properties and can be enjoyed hot or cold.

    Lettuce Dye: Lettuce leaves can be used to create natural dyes for fabrics or Easter eggs. The leaves are boiled to extract the pigment, which can produce soft green or yellow shades.

    Lettuce Compress: Cold lettuce leaves can be used as a soothing compress for skin irritations or minor burns. The cooling effect of the leaves can provide relief and promote healing.

    Lettuce Infused Water: Adding lettuce leaves to water infusions can impart a subtle, refreshing flavor. It's a great way to enhance the taste of plain water and stay hydrated.

Interesting Facts

  • bedFeng Shui

    In Feng Shui, lettuce is considered a symbol of wealth and prosperity. It is believed to attract abundance and good fortune when placed in certain areas of the home or office. You can incorporate lettuce by displaying artificial lettuce or images of lettuce in the wealth corner (Southeast) or near the entrance to invite positive energy and financial prosperity.

  • aquariusZodiac Sign Compitability

    In astrology, there is no specific zodiac sign compatibility associated with lettuce.

  • spiralPlant Symbolism

    Symbolically, lettuce is often associated with attributes such as freshness, vitality, and growth. It represents new beginnings, renewal, and a connection to nature. In some cultures, lettuce is seen as a symbol of fertility and abundance due to its rapid growth and leafy appearance. It can also symbolize health and nourishment, as it is a nutritious vegetable commonly used in salads and other dishes.

2-3 times a week
Spring - Summer
Not needed
  • water dropWater

    Lettuce requires consistent moisture to thrive, so it's important to water it regularly. As a general guideline, lettuce should be watered about 1-2 inches per week.

    However, the frequency may vary depending on environmental conditions, soil type, and stage of growth. It's best to water lettuce deeply, allowing the water to penetrate the soil and reach the roots. Avoid overwatering, as it can lead to root rot and other diseases. Monitor the soil moisture and adjust the watering schedule accordingly.

  • sunLight

    Lettuce prefers cool and moderate light conditions. It thrives in partial shade or in areas with filtered sunlight. Too much direct sunlight, especially during hot summer months, can cause the lettuce to bolt (prematurely produce flowers and seeds) and become bitter. Providing some shade or using shade cloth can help protect lettuce from intense sunlight and prolong its growing season.

  • thermometerTemperature

    Lettuce is a cool-season crop and prefers moderate temperatures for optimal growth. The ideal temperature range for lettuce is between 45°F (7°C) and 75°F (24°C). It can tolerate slightly higher temperatures but may bolt more quickly in hotter conditions.

    Lettuce can withstand light frost and cool temperatures, making it suitable for early spring and fall cultivation. However, extended exposure to freezing temperatures can damage or kill lettuce plants. It's important to protect lettuce from severe cold by using row covers or bringing it indoors during freezing conditions.

  • scissorsPruning

    Lettuce doesn't require pruning

  • broomCleaning

    Not needed

  • bambooSoil

    The best soil for lettuce is well-draining and fertile soil. It should have good moisture retention while also allowing excess water to drain away. A recommended soil mixture is a combination of garden soil, compost, and organic matter such as peat moss or well-rotted manure. The pH of the soil for lettuce should be around 6.0 to 7.0, slightly acidic to neutral.

  • plantRepotting

    Lettuce is typically grown directly in the ground or in containers, so repotting is not necessary unless you started the lettuce in small pots or trays. If you do need to transplant lettuce seedlings, it's best to do so when they have developed a few true leaves. Transplant them carefully into larger pots or the ground, ensuring the roots are well-covered with soil. Generally, lettuce doesn't require frequent repotting.

  • water dropsHumidity & Misting

    The ideal humidity level for lettuce is around 40% to 60%. Lettuce prefers moderate humidity and can tolerate slightly lower or higher levels within this range. Maintaining good airflow around the plants, especially in humid conditions, helps prevent diseases such as mildew. If the humidity in your growing environment is high, you can use fans or open windows to improve air circulation and reduce excessive moisture around the lettuce plants.

  • pinSuitable locations

    • Indoor

      Can be grown as an indoor container plant

    • Outdoor

      Can be grown worldwide during the growing season

    • Hardiness zone

      2 - 11 USDA

  • circleLife cycle

    Seed Germination (Planting): Lettuce seeds are planted in early spring, typically around March or April, depending on your location. The soil temperature should be around 45-75°F (7-24°C) for optimal germination. The seeds usually germinate within 7-14 days.

    Seedling Stage: Once the lettuce seeds have germinated, they develop into seedlings. During this stage, they require regular watering and adequate sunlight or artificial light if grown indoors. This stage lasts for approximately 2-4 weeks.

    Vegetative Growth: As the seedlings continue to grow, they enter the vegetative growth stage. The plants develop more leaves and establish a strong root system. This stage typically lasts for 4-6 weeks, depending on the lettuce variety and growing conditions.

    Bolting and Flowering: Eventually, lettuce plants start to bolt, which means they send up a central stalk and produce flowers. Bolting is triggered by warmer temperatures and longer daylight hours. Depending on the lettuce variety, bolting can occur anywhere from 8-12 weeks after planting, usually in late spring or early summer.

    Harvest: Harvesting lettuce can begin once the plants have reached a suitable size and the leaves are mature enough for consumption. The timing for harvest varies based on the lettuce type. Loose-leaf varieties can be harvested by picking individual leaves as needed, starting around 45-60 days after planting. Head lettuce varieties are harvested when the heads are firm and fully formed, typically around 65-85 days after planting.

  • sproutPropogation

    • Propogation time

      Spring - Summer

    • Seed Propagation: Lettuce seeds are commonly used for propagation. The ideal time to sow lettuce seeds depends on whether you're growing it as a cool-season crop or a warm-season crop.
      Cool-Season Crop: Lettuce is primarily a cool-season crop, and it thrives in cooler temperatures. Seeds can be sown directly in the garden or started indoors and then transplanted outside.
      Early Spring: Sow lettuce seeds indoors or in a greenhouse in late winter or early spring, around 4-6 weeks before the last expected frost date. Transplant the seedlings outdoors once the soil is workable and temperatures are consistently above freezing.
      Fall: For a fall crop, sow lettuce seeds directly in the garden in late summer or early fall, usually around 8-10 weeks before the first expected frost date. The cooler temperatures of autumn help the lettuce thrive.
      Warm-Season Crop: Lettuce can also be grown as a warm-season crop in regions with mild winters or cooler summer temperatures.
      Late Spring/Early Summer: In regions with mild winters, lettuce seeds can be sown directly in the garden in late spring or early summer, after the last expected frost date. Choose heat-tolerant lettuce varieties for better success in warmer conditions.

      Transplant Propagation: Lettuce can also be propagated through transplants. This method involves starting lettuce seeds indoors or in a greenhouse and then transplanting the seedlings outdoors at a later stage.
      For both cool-season and warm-season crops, you can start lettuce seeds indoors 4-6 weeks before the desired planting date. Transplant the seedlings outdoors once they have developed a strong root system and the risk of frost has passed.

  • insectPests

    Aphid, Slugs and snails, Cutworms

  • microbeDiseases

    Downy mildew, Powdery mildew