Vegetables to Grow in Winter

Vegetables will grow across most of Australia and other mild temperate climates in winter: if you choose the right ones. If you get some frosts, but little or no snow; you can plant in autumn for a winter harvest.


What to Plant in Autumn …for picking in winter or spring (in Australia)

Brassicas – cauliflowers, cabbages, broccoli, brussels sprouts
Swedes and Turnips
Lettuces (some varieties)
Onions and Garlic
Peas and Broad Beans
Spinach & Silver Beet


Winter Vegies in the Sub Tropics and Tropics
Lack of warmth is not such a problem in northern Australia over winter.
In fact, with lower humidity than summer, crops like zucchini, tomatoes, lettuce, snow peas and cucumber are often easier to grow over a tropical winter than a tropical spring or summer.

Plant in a fertile, loose soil (easily dug) with constant moisture (never dry; never really wet).  Sow directly into the soil or plant seedlings. Smaller varieties can be spaced at 30 x 30 cm; larger ones at 45 x 45 cm.  They grow best when well planted on a mound or grown hydroponically.  Ideally maximum temperatures should be above 13 degrees celsius, although some varieties will do better at lower temperatures.

*Cabbage White Butterfly grubs must be controlled.
*Other pests can include aphis, flea beetles, maggots and cutworm.
*Cabbage can be attacked by several fungi including fusarium wilt, downy mildew
 and alternaria leaf spot.
* Do not plant them beside tomatoes, beans or strawberries. 

Harvest & Post Harvest:
*Cut throught the base with a sharp knife when the centre is firm. 
*Harvested cabbages can be stored for a month or more at
 0 to 3 degrees centigrade and low relative humidity.
*There are varieties available to crop at all times of the year.

Require cool conditions are essential for proper development.
Soil must be well drained and have good aeration.
*Avoid heavy gritty / rocky soil; pH 6.0 to 6.5
Suitable systems:
*Hydroponics: Perlite or vermiculite (or a mixture) are likely to give
 the best results.
*Broadcast raised soil beds. Sow seed direct.

*There are few problems on the edible root, though leaves are often
 attacked by insects.

Harvest & Post Harvest:
*2 to 3 months from planting to harvest.
*Cut leaves and wash roots at harvest.

Need cool conditions: hot, dry weather reduces cropping.  Nutrient requirements are similar to common beans, although broad beans tolerate higher levels of boron than the common bean.

*Aphis can damage tip growth (control with pyrethrum near to cropping,
 control with malathion early in the season).
*Excess moisture can cause root rot

Harvest & Post Harvest:
*3 to 4 months after planting

It’s a good time to plant onions, although they are easier to grow from seedlings than from seeds.  Ideal temperature range is 13 to 25 degrees Celsius.  Onions like a relatively dry situation  low humidity, good drainage and aeration and minimal watering
*Too much water causes fungal problems.
*Pests include aphis, thrip, maggots and cutworms.
*Diseases include downy mildew, fusarium, botrytis, smut and several other
 virus and fungal problems

Harvest & Post Harvest:
*Lift bulb onions after tops die down completely.
*Pull spring onions before tops begin to die down.

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