Lactuca triangulata
Lactuca triangulatafam. Asteraceae
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Pl. ED12 — Lactuca triangulata
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IOverview
Overview
Lactuca triangulata, a member of the Asteraceae family and commonly known as triangular lettuce, is native to regions including Amur, China North-Central, Inner Mongolia, Japan, Khabarovsk, Korea, Manchuria, and Primorye. This plant thrives in moist, light (sandy) to medium soil, preferring full sun to partial shade. It can grow up to 1 meter tall and is both edible and medicinal. Its leaves are the primary edible part used for consumption. Lactuca triangulata has a biennial or perennial life cycle and is known for its diverse uses in traditional medicine and as an edible plant. One distinctive feature of this lettuce variety is its triangular-shaped leaf, setting it apart from other members of the genus.
Quick answers
What is Lactuca triangulata?
Lactuca triangulata, a member of the Asteraceae family and commonly known as triangular lettuce, is native to regions including Amur, China North-Central, Inner Mongolia, Japan, Khabarovsk, Korea, Manchuria, and Primorye. This plant thrives in moist, light (sandy) to medium soil, preferring full sun to partial shade.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Lactuca triangulata support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Lactuca triangulata thrives in full to partial sun and prefers moist, well-draining soil that is light (sandy) or medium in texture. It can grow up to 1 meter tall and is both biennial and perennial. This plant is hardy in temperate regions and is native to areas including Amur, China North-Central, Inner Mongolia, Japan, Khabarovsk, Korea, Manchuria, and Primorye. For propagation, you can sow seeds directly in the garden or start them indoors. Keep the soil consistently moist during the growing season to ensure healthy leaf development.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium
Life cycle
Biennial, Perennial
Mature size
1.0 m tall
For first-time growers
How to grow Lactuca triangulata for the first time
8steps
Skip is a hardy, easy-to-grow plant that's perfect for beginners in the garden.
- 1
What you'll need
Seeds or seedlings, a trowel, and a watering can.
- 2
Best time to plant
Plant Skip in early spring or late summer for best results.
- 3
Soil and container prep
Choose a spot with partial sun to full sun. Ensure the soil is well-draining and slightly sandy.
- 4
Sowing or transplanting
Direct sow seeds 0.5 inches deep, about 12-18 inches apart. Alternatively, start seedlings indoors and transplant them after the last frost.
- 5
First two weeks
Keep the soil consistently moist during germination. Thin out weaker seedlings to ensure proper spacing.
- 6
Ongoing care
Water regularly, especially in dry spells. Mulch around the plants to retain moisture and suppress weeds.
- 7
Harvest or pruning
Prune any yellowing leaves to encourage new growth and maintain a healthy plant. Harvest outer leaves as needed without cutting the entire plant.
- 8
Common mistakes
Overwatering, not providing enough sunlight, and neglecting to thin out seedlings are common pitfalls for beginners.
VIEdible & utility
Edible & utility
Edible parts:Leaves
Edible uses: The leaves of Lactuca triangulata are edible and can be eaten raw or cooked. They are often used in salads for their mild flavor. The plant grows to about 1 meter tall and thrives in moist, light soil with partial sun to full sun exposure.
Contextrange · companions · related
VIIDistribution
9 native · 0 introduced
Distribution
9 native · 0 introducedDistribution across1 continent· 9 native
Asia4 regions
native (4)ChinaJapanSouth KoreaVietnam
Broader regions
native:Khabarovsk, Primorye, Amur
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Asteraceae), common use cases, and growing requirements.
same family · Asteraceae
Botanical relatives — often share phytochemistry + growing needs.
XI
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Companion planting
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