Thompson & Morgan - Vegetables - Onion - Sentry - 250 Seed
Onion - Sentry
This is a tall, dark green-leaved, bunching onion producing non-bulbing, highly flavoured stems throughout the summer.
Sow direct outdoors in well-prepared and raked soil. Prefers a position in full sun. Sow thinly 1cm deep in drills 30cm apart. No thinning necessary, stems will increase in size but do not bulb.