Popular salad vegetable with its crisp sweet stalks but equally delicious braised or chopped in casseroles. The older traditional types do require some hard work with trenching up but the modern self blanching varieties are much easier. Celery does need regular watering during its growth to obtain good size and flavour. Sow the seeds on the surface of the compost in seed trays or preferably in modules in March of early April at 14-15 degree celsius. Maintain the temperature day and night. Prick off the seedlings as soon as they can be handled into individual pots or peat pots. Thin module sowings to single seedlings. Harden off before planting in the growing site in late May or June in blocks with 30cm (12") each way.