Soil
What soil is good for Onion?
Rich, well draining with plenty of compost mixed in.
Position
How much sun does Onion need?
Full sun
Frost Tolerant
Is Onion frost tolerant?
Yes
Spacing
How much space does Onion need?
Roughly 15cm apart
Planting
When should I plant Onion?
Onion is a cool season crop best planted in autumn, or in temperatures between 12 to 24 °C (55–75 °F).
If transplanting seedlings, plant out in the early morning or evening and/or on an overcast day. Avoid planting at peak sun times or on windy days, this will allow your plants to settle in comfortably and protect them from windburn and sunburn.
Feeding
What do I feed Onion?
Apply an organic fertiliser throughout the season.
Harvesting
When can I harvest Onion?
Harvest at your preferred size, usually harvested at just under a tennis ball size. Let the onions cure for two to three weeks (until the necks are dry and the skin is papery) before storing them in a cool, dry area with good airflow.
Pests
What pests does Onion get?
Allium Leaf Miner, Aphids, Millipede, Onion Root Fly, Slug, Snail
Diseases
What diseases does Onion get?
Allium White Rot, Downy Mildew, Fusarium Basal Plate Rot, Black Mold, Botrytis Leaf Blight, Fusarium Damping Off, Pink Root, Purple Blotch, Rust, Smut
Cool Season Crops
Frost Tolerant