Allium cepa
ONION-GLADALAN-WHITE The old heirloom variety that produces a medium white round bulb & stores well. Can be grown as a spring onion. For mature onions harvest when the tops dry. Gladalan White is a lovely globular, and very slightly flattened, firm-fleshed onion with good keeping qualities & it’s a very reliable performer. Has a moderately mild taste and is a good all-round cooking variety. A highly regarded & adaptable variety that is well suited to most Australian onion growing regions & is a mid to early maturing variety.
Sow in autumn/spring thinly, 5mm deep, in rows. Cover with fine soil or compost and keep moist. Thin seedlings early to 2cm and later to 10cm apart. Allow 30cm between rows. Prepare the soil well by adding organic material and pre-planting fertilizer. Onion varieties vary in maturity so you can have a crop for many months of the year. Grow in a fine rich soil and an open sunny position. Germination takes 14-21 days at 19-21°C. Higher temps may prevent germination.