Spring Planting Guide for Melbourne 4


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Spring is the busiest time of the year for working in the garden:

  •          The days are increasing in length
  •           Daytime temperatures are increasing
  •          The soil is starting to warm up
  •          Melbourne’s rainfall is typically plentiful

All of this means that plants (including weeds) will thrive and grow quite quickly. As the soil temperatures increase, so do our planting options. Here’s our guide to what to plant, in a typical Melbourne backyard in Spring. Please note there may some variation to the planting times depending on individual microclimates. Warmer microclimates may enable planting sooner and colder microclimate, such as the outer suburbs and beyond may need to delay planting by a few weeks.

What to plant in September, October and November

New to edible gardening? Please read our Philosophy of Edible Gardening to help prevent a few rookie errors.

Making an Early Start.

Many Melbourne gardeners like the challenge of producing a ripe tomato before Christmas. To do this, you often need to germinate seeds indoors, or in a greenhouse. This is because the soil in the garden is too cold to induce germination, and the young seedlings may be at the risk of frost. There is much debate about when the best time to plant out tomato seedlings.

Grow Great Tomatoes Melbourne

We start many of our seedlings in the greenhouse and then transplant around the following times:

 

Tomatoes

Sow Seed in Greenhouse: Last week of July

Transplant into Garden: Last week of September/First week of October

Eggplants and Capsicums

Sow Seed in Greenhouse: First Week of July

Transplant into Garden: Mid-Late October

 

Gorwing tomatoes in Mrlbourne
Don't be fooled by the big chain hardware stores. August and ealy September are too early to plant tomatoes into the garden.

Ignore those lovely looking seedlings that larger hardware stores stock in August and early September. Transplanting them into the garden early will probably result in stunted, slow growing plants or complete failure.

Tomatoes

To me, nothing says summer like the smell of tomato plants as you brush past them in the garden. They come in all different shapes, colours and sizes. Birds and other pests tend to associate ripe fruit with red colours. So it’s an excellent idea to grow some yellow or green varieties together with red varieties. The birds will focus on the red “sacrificial crop” and leave the yellow and green tomatoes.  

If you’re planning on turning your delicious produce into some tasty pasta sauce, sugo, salsa, tomato sauce or even drying them, then it’s best to grow tomatoes that have been bred for that purpose. Roma and San Marzano tomatoes are low in juice, seeds and pulp, which means the flavours when you dry or cook with them are far more intense.

 

Some of our favourite varieties at Leaf, Root & Fruit include:

  •          Broad Ripple Currant (a small yellow cherry tomato that self-sows prolifically.)
  •          Cherry Roma (produces fruit very early and a packed full of flavour)
  •          Green Zebra (a striped, golf-ball sized fruit which ripens to a green/yellow colour. Often the birds don’t attack the fruit).
  •          Tigerella: (a prolific and heavy cropping tomato with lots of flavour).
  •          Black Cherry (another prolific cherry tomato that has a very sweet flavour).
Vegetable spring planting guide Melbourne

See our guide to growing great tomatoes for more information on how to plant and care for them.

Capsicums

Spring Plant Guide Vegetables Melbourne

We’ve always found growing capsicums in Melbourne a bit hit and miss. Some years we grow great crops and in other years, our crops are very late and have low yields. They certainly seem to like the heat, so wait until the soil has warmed up before transplanting. Capsicums are a crop that I grow only if I have enough space.

We tend to have to wait until late in the summer, to start harvesting our capsicums and they don’t yield enough fruit to justify being planted where space is restricted.

California Wonder and White Diamond have both been very successful varieties of capsicums for us in the past.

Cucumbers

Ah cucumbers…. How we love thee! Cucumbers can be a bit finicky if you try to transplant them too early. I’ve found that transplanting seedlings in October can work if we have unseasonably warm weather. However, if the soil is still cold, then they tend to sulk and sometimes die.

I’ve had cases where I have planted cucumber seedlings in early October, and then direct sown seed next to them in November and the direct sown seed have been quicker to harvest than the transplanted seedlings. If you have the space, then successive sowings will help keep you in cucumbers all summer long.

Grow cucumbers up a trellis or tepee to make better use of space. This also helps deter rats, slugs and other pesky critters. They’ll need regular watering (irregular watering can lead to bitter flavours in your cucumbers – especially for apple cucumbers).

Looking for something a bit unique to grow instead of cucumbers? Why not try cucamelons?

How to Grow Cucamelons in Melbourne, Mouse Melon, Mexican Sour Gherkin.

Sweetcorn

Sweetcorn is a great, fast growing crop that you can start as early as September in Melbourne (I wouldn’t plant it much later than late November). Good quality sweetcorn cobs rely on great pollination. Each of the silks hanging out of the end of the cob links to one of the kernels inside the cob. Each kernel need to be pollinated by the male flowers on top of the plants. If the kernels aren’t pollinated (by the wind), then they don’t swell and fill with the delicious sugary sweetness.

 

There are a couple of tips I recommend to ensuring you grow great sweetcorn:

  •          Plant in blocks (not long rows)
  •          Plant at least 30 corn plants (I have seen successful crops grown with fewer numbers, but pollination is not always that great with less than say 24 plants)
  •          Sweetcorn is very thirsty and requires lots of water to thrive, so water regularly and deeply.
  •          Sweetcorn loves lots of compost rich soil
Urban Farming and Edible Garde Maintenance Hawthorn Melbourne

Looking to maximise your use of space when growing sweetcorn? Why not try a three sisters garden?

Eggplants

I find growing eggplants far more reliable than capsicums. They are much quicker to harvest and come in some great sizes and colours. Long-purple and Black Beauty have both been very reliable varieties.

How to grow vegetables in Melbourne in Spring

Zucchini

The Patch. Royal Tasmanian Botanical Gardens. Tasmanian Community Food Garden.

Unless you really like zucchini then don’t plant more than one or two plants. Zucchini are ridiculously prolific and you’ll soon be insisting that every visitor takes a zucchini home with them. Keep an eye on plants, as the fruit grow very big, very quickly. Large fruit can be used for stuffing.

I’ve noticed that cucumbers and zucchinis grow (and crop) more prolifically when we have a full moon. There must be enough light for them to grow even during the night time.

Zucchini are very easy to grow. You can plant them out as early as September and they’ll quickly take off. Their demise is usually signalled by the onset of powdery mildew in autumn.

The main problem growers have can be a lack of pollination. This is shown through young, immature fruit shrivelling and falling off the vine. To overcome poor pollination, you need to help the bees. Pick a male flower, remove the petals and dabble the stamen into the female flower to dust the stigma with pollen.

Zucchini pollination by hand

If you have plenty of space, then consider growing some Zucchini tromboncino. I find them sweeter the standard zucchini black jack, but they do trail in a similar manner to a pumpkin vine and need a lot of room to grow.

Spring platning guide tromboncino
Teresa set an Australian Record in 2018 with the tromboncino she grew as part of our Grow Challenge!

Pumpkins

Pumpkins are easy to grow in Melbourne but be warned – they need a lot of space. Our pumpkin vines usually take over a patch about 5 metres by 5 metres (per vine!). We’ve had great success with Queensland Blue, Butternut and Musque du Province pumpkins. Jap pumpkins grow well, but often don’t set fruit until later in the season.

 

Melbourne International Flower and Garden Show 2015
Spring Planting Guide Melbourne Pumpkins

The biggest challenge with growing pumpkins in suburban Melbourne is stopping the rats from eating them before you have a chance to harvest. Pumpkins can suffer from similar pollination problems to Zucchinis and you overcome this by using the same method of assisted pollination.

Grow your pumpkins in a shallow mound with plenty of good quality compost added. Sow them direct in early to mid-November. Consider growing them under and through sweetcorn as part of a three sisters garden. Want to grow a giant pumpkin? Check out our blog post on growing the next Australian or even World Record pumpkin!

Watermelons

How to grow watermelons in Melbourne

Watermelons grow quite well in Melbourne. We’ve had some good crops over the years. Sugarbaby is a great variety to grow, as the fruit are small and quick to harvest.

Watermelons need lots of heat and sunshine to develop sweet fruit. See our guide on growing watermelons for more information on growing them.

Leafy Greens

Summer is a difficult time to grow leafy greens such as lettuce, spinach and rocket. This is because they often “bolt” (flower and set seed) due to a phenomenon called photoperiodism. Heat stressed leafy greens will also bolt quite readily regardless of day length. You can reduce the chances of plants bolting by planting your leafy greens in a semi-shaded spot. It’s also a good idea to succession plant a new crop every fortnight to keep yourself in supply.

Potatoes

Potatoes are a great summer crop. They can be grown almost anywhere that is frost free. They love a compost rich soil. You can plant seed potatoes into large garden beds, pots or even old hessian sacks.

Urban Farming and Edible Garde Maintenance Hawthorn Melbourne

Sweet Potatoes

How to Grwo Sweet Potatoes in Melbourne

Thought to be limited to subtropical environments, sweet potatoes thrive in Melbourne’s summer climate. They take up a large space (although not as extreme as pumpkins) and don’t have a high enough yield to justify the space that they take up. However, the leaves are nutritious and can make a great addition to salads if your lettuces have bolted and let you down!

See our sweet potato growing guide for more information on these novel crops.

Beans

Beans are a great summer crop. You can eat them fresh, or leave them to dry on the vines for soups and stews. Many runner varieties such as the ‘Scarlett Runner’ or ‘7-Year bean’ dislike warm evenings. When we have warm overnight temperatures, the plants will often not set pods and the flowers will just fall off. Some varieties such as the Rattlesnake bean are less prone to this issue.

Bush beans don’t need a trellis and still have very high yields for their plant size. We can recommend Borlotti and Dragon’s tongue as two good varieties of bush beans.

Carrots

Urban Farming and Edible Garde Maintenance Hawthorn Melbourne
Carrots are easy to grow, as long as you grow them from seed

Carrots are a great crop to grow in summer. They take a while to get to a suitable size to harvest, but once large enough, they will keep in the soil for months and can be harvested as you need them. Carrots produce a high yield in a small space.

One common problem with growing carrots is their tendency to fork and split. Some tactics to help overcome this include:

  • Not over fertilizing the soil. Carrots don’t like soils high in nitrogen. So plant carrots in beds that have been previously used to grow heavy feeders such as brassicas or sweetcorn.
  • Avoid transplanting seedlings. This damages the taproot and causes forking. ALWAYS plant carrots from seed.
  • Break up heavy clay soils to enable the taproot to easily grow down deep.
  • Plant a variety less prone to forking. We’ve had great success with planting the variety “Topweight Improved” and now plant this variety almost exclusively.

Snow Peas

Peas are traditionally grown in winter. However, we’ve had great results with growing snow peas all year round. One of the best varieties we have grown is ‘Melting Mammoth’.

Grow snow peas up a trellis to maximise space and increase airflow. Growing snow peas in the warmer months makes them more prone to fungal diseases such as powdery mildew, so try to keep water off the leaves when irrigating.

Like to know more?

If you’d like a bit more of a guide on choosing which veggies to grow this spring and summer, we’ve developed the Leaf, Root and Fruit Philosophy of Edible Gardening. It’s this philosophy that’s provided the name of the business, as well as the inspiration for the logo.

Looking for our autumn planting guide in Melbourne? You can find it here.

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4 thoughts on “Spring Planting Guide for Melbourne

  • Heather Ryan

    Hi. Fabulous! Thank you for your very comprehensive newsletter …my first. I’ve thoroughly enjoyed reading it and look forward to reading other issues in the ensuing months. Heather

  • Barbara Dioguardi

    Thank you for all your helpful hints on what to plant in Melbourne. I am fairly new to growing vegies. and it is good to know what types will grow better than others.

    • Leaf, Root & Fruit Post author

      Glad you find our blogs and newsletter useful Barbara. Thanks for the great feedback.

      Good Luck and Happy Gardening!

      Duncan