lettuce

Lactuca sativa

Lactuca serriola

#Growth Characteristics

Lactuca serriola is a biennial herbaceous plant belonging to the Asteraceae family, native to Europe and West Asia. It typically grows to a height of 1 to 2 meters, and its name originates from the thorn-like hairs that grow on its stems. The leaves are elongated with serrated margins and are characterized by reddish-purple veins on the undersides. It blooms with yellow flowers in the summer, and its seeds are easily dispersed by wind.

#Propagation Methods

Lactuca serriola is primarily propagated by seeds. Seeds can be sown directly or germinated indoors in early spring or autumn and then transplanted. Since the roots are not deep, caution is required during transplanting.

#Cultivation Methods
- Sunlight and Soil: Lactuca serriola requires sufficient sunlight and thrives in well-drained, neutral to slightly acidic soil.
- Watering: While adequate moisture should be maintained, excessive watering should be avoided. Particular care should be taken to prevent water shortages during the growing season. - Fertilizer: After germination, use a fertilizer high in nitrogen to promote growth.

#Uses in the Garden

Prickly lettuce is used as an ornamental plant in the garden; its tall stature and unique leaf shape blend well with other plants. Additionally, it attracts bees and butterflies, helping to enrich the ecosystem.

#Important Pests and Control Methods
- Diseases: Prickly lettuce can be susceptible to fungal diseases such as black spot disease. Reduce moisture through periodic ventilation and use fungicides as a preventive measure if necessary.
- Pests: Aphids and moth larvae can cause problems. Control methods using natural enemies or appropriate pesticides. When using insecticides, select eco-friendly products to protect the plant and the surrounding ecosystem.

Although prickly lettuce is a resilient plant, basic care is required for its use in the garden and for healthy growth.

Plant Family	Asteraceae
Height	30~70cm
Colors	yellow
Bloom Period	June~July
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-5°C

Lettuce Sativa var. Capitata
Lactuca sativa var. capitata

Mountain sowthistle
Lactuca raddeana