Swiss Chard Fordhook Giant seeds produce heavily savoyed dark green leaf blades cook quickly to a tasty soft spinach.ow Outdoors: April-August thinly, direct into the required harvest position, ½in (1.25cm) deep in rows 12in (30cm) apart. Keep soil moist at all times.
Grow On: If necessary thin seedlings to 6in (15cm) apart.
Harvest: January-December leaf blades cook spinach, and stalks celery.
Use thinnings as salad leaf. Use fleece to protect crop from frost or cold wind.