Thompson and Morgan Lettuce Romaine Cos Winter Gem Seeds

Discover crunchy hearts and sweet flavour with the Thompson and Morgan Lettuce Romaine Cos Winter Gem Seeds that thrive undercover, offering you a fresh supply of vibrant greens for winter salads. Sow 'Winter Gem' from September to January in an unheated greenhouse or cold frame, and enjoy compact crops that reach up to 20cm high and wide. With each packet containing 150 seeds, you'll have plenty to keep your salads crisp and delicious throughout the colder months, and maintaining moist, fertile soil ensures healthy growth and reliable harvests. Direct sow lettuce seeds in an unheated greenhouse or cold frame into well-prepared, fertile, moist soil in sun or semi-shade. Sow seeds thinly at a depth of one centimetre in drills 30cm apart in soil which has been raked to a fine tilth. When large enough to handle, thin out seedlings to 30cm apart and cover with a protective netting or fleece to prevent attack from birds and insects. Make regular sowings for a constant supply. Water lettuce frequently and hoe between plants regularly to prevent weeds from establishing. Ensure that adequate ventilation is maintained in order to prevent the spread of fungal diseases. Harvest lettuce when required by pulling up the entire plant before trimming off the stem with a knife. Hardiness: Hardy. Position In: Full sun. Height: up to 20cm. Spread: up to 20cm. Images shown are for guidance only of the expected results from plants upon maturity. Different growing conditions might vary the results. Image may be included for illustration of supply, but can vary due to seasonality changes (e.g. deciduous plants lose leaves in colder months).