Autumn in the Garden- March to do List

Seeds to sow now: Cauliflower, Kale, Broccoli, Cabbage, Khol Rabi, Leeks, Lettuce, Radish, Silverbeet, Spring Onions, Turnips, Swedes, Carrots, Beetroot

Plant from punnets now: Leeks, cauliflower, Kale, Broccoli, Cabbage, Khol Rabi, Leeks, Lettuce, Silverbeet, Spinach

Some summer crops are most likely still being harvested right now but many will be ending their life cycle now or very soon. I love this time of year when I can clean up my garden, reuse the green waste and plant anew for winter and spring.

End of Summer Garden Waste

If you had a full summer garden you may feel daunted at how much green waste there is once you start pulling out spent plants. Don’t worry though, if you let them break down in a compost pile or let them break down in your garden, these plants will soon become part of the soil.

My personal method in the garden is a deep mulching one and I like to chop down my spent plants in smaller pieces and lay them right down where they were planted, then cover them with a mulch like hay or straw and compost. The microorganisms under the soil will then get to work for me and break down the plants, returning them and a truckload of nutrients back into the soil. I plant my new seedlings right into the compost I laid on top.

Letting it all break down in a compost heap is also a great way to reuse green waste. Alternate your green waste with some brown carbon such as dead leaves and you’ll soon see the pile break down and lower.

*Note: Don’t compost diseased leaves that have been infected with things like powdery mildew or blight. A home compost doesn’t usually get hot enough to kill off the fungal spores.

Powdery Mildew
Powdery Mildew

Bridge the Gaps

Planting quick growing crops like radish, turnips, lettuces, beetroot and Chinese greens means you can have something to harvest while you wait for your bigger autumn and winter crops to grow. Beetroot and turnips are delicious when young and small, they’re especially tender and sweet then, plus their leaves can be harvested as well as the root.

Sow a Green Crop

If you have any garden beds that were used for the summer but are having a break over the winter, sow a green cover crop over the top. The plants in a green cover crop are nitrogen-fixing which means they take up nitrogen from the soil and ‘fix’ it in these small nodules at the end of their roots. Come spring, you can chop down this cover crop and work it back into the soil. The nitrogen from these little nodules will then be released back into the soil in a form that other plants can then take up and absorb.

A green crop will also stop weeds from overtaking the empty garden.

Over winter some crops

Plants that we sometimes think of as annuals are actually perennials in warmer countries, such as eggplants, chillis and capsicum. If you can, you can move these plants inside a glasshouse, or a makeshift greenhouse and overwinter them. Bring them out again next spring and they can produce even better in their second year.

Seed Saving

Try your hand at seed saving so you can save money next time.

For cucurbit seed saving, let them grow huge and let their skin harden. Once mature, you can scoop the seeds out from the middle and wash them well to remove the pulp. Once collected, let the seeds dry out completely on a tray before storing in a dry, cool and dark place.

Beans seeds can be collected by letting the pods dry completely on the vine until they rattle when you shake them.

Happy gardening!

I made a start on my own March to do list in the video below.

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