# Lettuce (*Lactuca sativa*)

Lettuce is a leafy green vegetable that grows in gardens. It has crunchy leaves that are tasty in salads and sandwiches. Lettuce comes in different colors like green, red, and purple.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Gardens
- **Also known as:** Butterhead Lettuce, Garden Lettuce, Iceberg Lettuce, Leaf Lettuce, Romaine Lettuce

![Lettuce](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Iceberg_lettuce_in_SB.jpg&width=800)

Photo: en:User:Geographer, CC BY 1.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Iceberg_lettuce_in_SB.jpg)

## Appearance

The Lettuce has crisp, often crinkled or smooth leaves forming a tight or loose rosette. It comes in vibrant shades of green, sometimes with hints of red or purple edges, clearly distinct from other leafy greens.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Asteraceae
- **Genus:** Lactuca

## Interesting facts

- Ancient Egyptians adored lettuce, seeing it as a symbol of fertility and even drawing it on tombs!
- Some lettuce gets its red and purple hues from anthocyanins, the same powerful pigments found in blueberries!
- The first cultivated lettuce was more like a loose-leaf variety, not a tight head like iceberg!
- Wild lettuce can grow surprisingly tall, often reaching over 6 feet if left to flower!

## Special abilities

- **Rapid Growth:** Lettuce can grow very quickly from seed, helping it produce many fresh leaves before other plants compete.
- **Milky Sap Shield:** Lettuce produces a milky sap called latex, which can deter some hungry insects from munching on its leaves.
- **Outer Leaf Protector:** Its robust outer leaves shield the tender inner leaves from sun, wind, and minor pest damage, keeping them safe.
- **Wind Wanderers:** When allowed to flower, lettuce produces light, feathery seeds that can ride the wind to new growing spots.

## Measurements & details

- **Height:** 15-30 cm
- **Spread:** 15-40 cm
- **Flower Size:** 0.5-1.5 cm
- **Bloom Season:** Summer
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Annual
- **Pollination Method:** Self

## Ecological connections

- **Eaten by:** [Garden Snail](https://www.snappit.app/explore/garden-snail) (*Helix aspersa*) — Snails often feast on lettuce leaves, leaving holes.
- **Eaten by:** [Leopard Slug](https://www.snappit.app/explore/leopard-slug) (*Limax maximus*) — Slugs can consume large amounts of lettuce overnight.
- **Eaten by:** Small Cabbage White (*Pieris rapae*) — Its caterpillars chew holes in lettuce leaves.
- **Pollinates:** Honey Bee (*Apis mellifera*) — If allowed to flower, bees visit lettuce blooms for nectar.

## Traits

- [Shade Tolerant](https://www.snappit.app/explore/traits/shade-tolerant): Shade tolerant plants are adapted to grow and thrive in areas with low light levels, requiring less direct sunlight.
- [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth.
- [Agricultural](https://www.snappit.app/explore/traits/agricultural): This human use trait describes species cultivated or domesticated by humans for agricultural purposes, including crops and livestock.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.
- [Urban Friendly](https://www.snappit.app/explore/traits/urban-friendly): This habitat trait indicates species that can coexist with humans in urban and suburban environments, utilizing man-made structures and green spaces.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)
- [Vegetables](https://www.snappit.app/explore/collections/vegetables)

## Safety

**Danger:** 1/5 · Very low

Always wash lettuce before eating to remove any dirt or bugs.

## Frequently Asked Questions

### How to identify Lettuce?

Compare leaves, stems, flowers, pods and the part you eat. Seedlings can look like unrelated garden plants until their mature leaves come in. Vegetable Identifier: upload a photo and compare the visible details.

### How tall is Lettuce?

15-30 cm

### How wide does Lettuce spread?

15-40 cm

### How big are the flowers on Lettuce?

0.5-1.5 cm

### When does Lettuce bloom?

Summer

### Is Lettuce edible?

Yes

### Is Lettuce toxic?

None

### What is Lettuce's lifecycle?

Annual

## Where to spot

- [Burgundy Park](https://www.snappit.app/guides/places/burgundy-park) — Virginia, US · Park

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Lettuce: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/lettuce)