Welsh onion

Welsh onion: plant 20 cm (7.9 in) apart in the row and 30 cm (11.8 in) between rows, 9 per square (30 cm). Full sun, 6–8 hours a day. Good neighbours: —.

Key facts

Spacing in the row	20 cm (7.9 in)
Between rows	30 cm (11.8 in)
In a 30 cm (1 ft) square	9 per square
Sun	Full sun, 6–8 hours a day
Root depth	25 cm (9.8 in)
Height when grown	40 cm (16 in)
Crop rotation group	Roots and onions
Support	None needed