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January Vegetable and Herb Gardening Calendar for Subtropical Climate Australia

Australia - subtropical climate zones
Australia – Subtropical climate zones

It’s January, and we find ourselves right in the middle of the summer season. It’s in this month and the next that we experience the hottest daytime and night temperatures of the year.

With the weather so hot at this time, it’s important to keep up with the watering, especially for plants in containers.

The occasional heavy rains raise the humidity, and the warmth brings insects, so keep a lookout for any diseases or pests in the garden.

Cover fruit trees with bird-netting to protect the fruit, and support or prop up branches heavily laden with fruit if they look too heavy.

Not forgetting the vegetables, it’s now time to harvest early potatoes, garlic, shallots and globe artichokes.

Sow some winter brassicas such as swedes at this month, so they can be harvested in the winter season.

To ensure that indeterminate (tall growing/staking variety) tomatoes ripen their fruit this late in the season, pinch out the growing tips to stop further green growth and remove any side-shoots, so the plant’s vigour is directed towards the fruit.

Things to Do This Month:

Vegetables and Herbs to Grow in January (Subtropical Climate)

January Seeds to Sow and Seedlings to Plant (Subtropical Climate Australia)Sow/PlantHarvest (weeks)
Amaranthdst7-8
Asparagus Pead8-11
Basilst10-12
Beans (Climbing)dst9-11
Beans (Dwarf, Bush)dst7-10
Beetrootdst7-10
Burdockd17-18
Cape Gooseberrydst14-16
Capsicumst10-12
Chillist9-11
Chivesdst7-11
Cucumberdst8-10
Eggplantt12-15
French Tarragont30-40 days
Gingerplant pieces of root25
Leeksd15-18
Lettucedst8-12
Luffadt11-12
Marrowdst12-17
Mustard Greensdst5-8
Okradt11-14
Oreganodst6-8
Parsleys9-19
Pumpkindst15-20
Radishd5-7
Rockmelon (Cantaloupe)dt10-16
Roselladst21-25
Swedes (Rutabaga)s10-14
Salsifyd14-21
Silverbeet (Swiss Chard)dst7-12
Squashdst7-8
Sunflowerdst10-11
Sweet Corndst11-14
Sweet Potato (Kumara)plant shoots or cuttings (slips)15-17
Tomatillodt10-14
Tomatodt8-17
Turnipd6-9
Watermelondt9-14
Zucchini (Courgette, Marrow)dst6-9

Key:
d = sow seeds directly into ground
s = sow seeds into seed tray
ds = sow seeds directly into ground or seed tray
t = transplant seedlings (small plants) into larger pots or plant into ground
*= frost tender
**= sow after frost

Download printable PDF version of Gardening Calendar (Australian Subtropical Climate) – January

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