Celery TALL UTAH 250 SEEDS £1.50 Quantity: at £1.50 each Add To Basket Dark green leaves of medium length. The stalks are 23-26 cm long and have an excellent taste. Sowing instructions: Sow in April or May. Growing instructions: Transplant the plants to a distance of 32x32 cm. Can also grow in polytunnel, greenhouse or under fleece. Average contents: 250 seeds.