Lemongrass, a tropical perennial herb, grows easily in a sunny herb garden but you'll need to cultivate it in a pot in the UK's climate. When the growing season ends in the autumn, protect the lemongrass from freezing weather during the winter by moving the pot indoors. With basic care, this flavourful and attractive herb will thrive and produce lemon grass for your cooking needs.
Fill the smaller pot approximately two-thirds full of potting medium.
Remove the lemongrass plants from their temporary containers and place them about 10 cm (4 inches) apart in the centre of the container.
Add additional potting media around the plant roots to fill the container up to the top. Firm the soil gently with your hands to finish planting the lemongrass plants.
Place the container in a sunny location outdoors after the final spring frost.
Provide water for the lemongrass whenever the top inch of soil feels dry. Pour the water over the soil until it runs freely out the drainage holes in the bottom of the pot.
Harvest lemongrass from the plants when the stalks become 1.25 cm (1/2 inch) thick. Cut off the stalks just above the soil level with the pruning shears.
Move the lemongrass pot into the house before the first autumn frost to protect it from cold temperatures. Place the container in a location that receives as much sun as possible.
Continue to water the lemongrass throughout the winter.
Repot the lemongrass in the spring before you move it back outside. Use the larger size pot to accommodate the larger plants. Provide fresh potting media to give the plants a new supply of nutrients and slow-release fertiliser throughout the growing season.
Move the lemongrass back outside after the final spring frost.
Expect the lemongrass to slow its growth during the winter.
Use lemongrass by crushing it and adding it to Asian recipes.