planting calendar – gardenfactguide.com

Seasonal Herb Rotation for a 30-Square-Metre Kitchen Garden

Photorealistic editorial 16:9 photograph of a compact Australian suburban kitchen garden with small seasonal herb beds, established rosemary, separate mint pots and clear mulched p

For herb rotation in a kitchen garden, keep established perennial herbs in permanent positions and rotate short-lived crops through separate growing patches. Match each planting to your climate, start replacements before the old crop finishes, and record plant families rather than just herb names. That gives a small garden a workable calendar without digging up productive rosemary every season.

How should you divide a 30-square-metre garden?

Treat 30 square metres as the whole footprint, including access. One suggested layout is three seasonal beds of four square metres each, six square metres of permanent herbs, and twelve square metres for paths, working space and pots. These are planning allowances, not planting-density requirements.

Label the seasonal beds A, B and C. Keep them narrow enough to reach the middle from a path. Put frequently picked herbs near the kitchen-side entrance, where harvesting does not mean stepping through a bed.

Keep rosemary, thyme and oregano in the permanent section, grouped around their preference for good drainage. Give mint its own pot so its spreading stems do not take over the seasonal beds. On a balcony, use three separate containers as the rotating patches and smaller pots for permanent herbs.

What does companion planting actually help with?

Start with compatible water needs, mature size and access to light. A thirsty, crowded mixed planter is not improved by a supposedly perfect pairing. Keep taller growth from shading smaller herbs and leave room to inspect foliage.

Sustainable Gardening Australia’s companion planting guidance discusses flowers as resources for beneficial insects, while acknowledging gaps in evidence for some traditional pairings. Allow a few spare herbs to flower where space permits, but do not expect a basil border to prevent pest damage.

If tomatoes share this garden, leave a distinct herb patch outside their eventual canopy. The guide to timing a Queensland tomato crop helps coordinate the larger plants before they occupy the space intended for herbs.

How do you plan the seasonal rotation calendar?

Separate two jobs: succession planting replaces ageing plants to keep leaves coming; crop rotation changes the plant family occupying a patch. Both matter, but they are not interchangeable.

For coastal south-east Queensland and similar subtropical gardens, use this starting plan:

Season	Main job	Suggested bed use
Spring, September to November	Establish warm-season herbs as conditions warm	Basil in A; finish cool-season crops in B; prepare C for replacements
Summer, December to February	Maintain productive plants and avoid overcrowding	Harvest A; establish replacement basil in C if conditions suit; mulch vacant B
Autumn, March to May	Change crops as the heat eases	Finish basil in A; trial coriander or dill in B; retain C while productive
Winter, June to August	Continue the cooler-season sequence	Harvest B; sow a small follow-up patch in A; record where each family grew

This is an editorial layout, not a fixed sowing timetable. Brisbane City Council includes basil among its spring planting options. Use the monthly guide for warm coastal gardens to refine local timing.

Temperate and cool districts: concentrate basil in the warm growing season. Coriander can suit cooler months, but exposed cold sites may need shelter or a different sowing window. Gardening Australia’s winter herb advice explains why southern gardeners change their herb selection as temperatures fall.

Tropical north: use the wet and dry seasons rather than copying Brisbane. The Cairns council planting guide lists coriander for April to July and basil throughout the year. Drainage and site exposure still matter.

Does changing herbs give the soil a break?

Coriander, dill and parsley belong to the same family, Apiaceae. Basil, mint, rosemary, thyme and oregano belong to Lamiaceae. Switching coriander to parsley is therefore not a family rotation.

Move the next cool-season Apiaceae patch to a different bed where practical. Include neighbouring vegetables in the record: carrots are also Apiaceae. Chives belong to the onion family and offer another group to plan around. Gardening Australia’s rotation guide explains the family-based principle.

A tiny herb plot cannot always provide long breaks. Record that limitation rather than treating a seasonal swap as guaranteed disease prevention.

How should you manage nutrients between crops?

Remove spent plants, clear weeds and check drainage before replanting. Add mature compost where soil needs organic matter, working around established roots. Keep mulch clear of stems and leave a suitable exposed strip for direct sowing.

Rotation does not replace nutrients removed in harvests. Equally, pale leaves do not automatically mean hunger: check moisture, drainage and crowding first. If using fertiliser, follow its label rather than applying a blanket recipe to every herb. Refresh exhausted container mix when needed; moving a pot changes its position, not its growing medium.

How do you manage pests and keep harvesting?

Check leaf undersides and new shoots while picking. Identify damage before acting, hand-remove visible caterpillars where practical, and clear collapsed plants promptly. Keep notes on recurring problems so the next planting can go elsewhere. Companion flowers and rotation are supporting habits, not pest-control guarantees.

Harvest small amounts regularly, leaving enough healthy foliage for regrowth. Pick parsley’s outer stalks and snip basil above a healthy leaf pair. Start another small sowing while the current crop still supplies the kitchen, rather than waiting for an empty bed.

For surplus soft herbs, wash and freeze chopped leaves with water in an ice cube tray, as described in Gardening Australia’s preserving guide. Label the frozen portions so they actually get used.

Read the related live guide to choosing herbs that cope with summer conditions before planning your next seasonal swap.

Winter Vegetables You Can Actually Plant in Subtropical Australia

Photorealistic editorial 16:9 Australian garden scene showing a sunny Brisbane backyard vegetable bed with lettuce, silverbeet, young brassicas and snow peas on a simple trellis in winter light

In Brisbane and subtropical south-east Queensland, winter is a vegetable planting season. Lettuce, radish, snow peas and brassicas belong on the shortlist, with carrots, beetroot and silverbeet among the July options. Advice to shut the patch down for winter misses this climate: Australian winter is June to August, and a Brisbane planting list is different from one for a cold northern garden.

The useful question is which crop fits your month, garden and dinner plate. Planting a vegetable during winter also does not promise a winter harvest; some crops will occupy the bed into spring.

Which Queensland winter are you gardening in?

Use the planting table below for subtropical Brisbane and comparable coastal SEQ gardens. Change the reference zone when your conditions differ:

Inland southern Queensland and elevated gardens: check local cold conditions before borrowing coastal advice. The Bureau of Meteorology documents winter frosts across the central and southern interior in its Queensland winter observations. That historical report demonstrates the difference; it is not this year’s forecast.
Tropical north Queensland lowlands: use a tropical calendar. ABC’s July guide includes okra and yam for the tropics, a different selection from its subtropical list.
Temperate southern Australia: July options include cabbage and peas in the same guide.
Cool districts, including Tasmania and highland gardens: the guide includes broad beans and spinach for July. Do not transfer Brisbane’s whole list or expected pace of growth.

Those planting examples come from ABC’s July guide by climate zone. Within each zone, use the seed packet’s regional instructions and advice from a local grower to narrow the choice.

What can you plant in Brisbane during winter?

These are planting windows, not harvest dates. The Queensland school-garden guide provides a broad starting point; ABC’s subtropical calendar supplies the more specific July check.

When in subtropical SEQ	Vegetables to consider	Practical starting point
May-June, spanning late autumn and early winter	Lettuce, radish, snow peas, broccoli, cabbage, kale and bok choy	Choose a few crops you eat regularly; leave brassicas their full labelled spacing.
July	Lettuce, radish, carrots, beetroot, peas/snow peas, kale, silverbeet and spring onions	Direct-sow roots; seedlings are an option for leafy crops.
August, moving towards spring	Beetroot and silverbeet appear in the state’s August-September list	Recheck the variety’s local window before filling the remaining space.

Sources: Health and Wellbeing Queensland’s planting guide and ABC’s subtropical July list. The state guide explicitly notes that elevation, soil and microclimate affect timing. Treat these lists as candidates, not a guarantee that every variety suits every backyard.

Which vegetables deserve your limited space?

For regular leaf picking, choose loose-leaf lettuce or silverbeet. Pick outer leaves while leaving the growing centre intact. A small planting you actually harvest is more useful than a whole punnet crowded together because the seedlings looked tiny.

For a sowing project, choose radish or carrots. Sow into their final position, following the packet’s depth instructions. Prepare an even surface, break up clods and keep the seed row moist during establishment. Thin crowded seedlings: a thick green row can hide roots with no room to develop.

For vertical space, consider snow peas. Put the support in before sowing and keep it somewhere you can reach both the plants and their pods. A trellis against the back fence is only useful if that spot receives adequate light.

For broccoli or cabbage, budget bed space first. Their mature footprint matters more than the size of the nursery punnet. Select a variety recommended for your district and planting month, then use its spacing and maturity guidance. Leave room to inspect and harvest without stepping between tightly packed plants.

Seeds or seedlings when winter has already started?

For the subtropical windows above, seedlings can shorten the establishment stage for leafy vegetables and brassicas. Choose compact plants with healthy growth rather than the tallest specimens on the shelf. Roots and larger seeds generally suit direct sowing, a distinction also made in the Queensland guide.

Neither method overrides the planting window. A seedling is a head start, not a way to make an unsuitable variety fit your climate. Compare packet instructions carefully: a maturity estimate may be measured from sowing or from transplanting.

Keep part of the bed free for another small sowing. When the first batch establishes, decide whether your household needs more of it before repeating the planting.

What makes a winter patch struggle?

Check the actual growing position before blaming the vegetable. For a Brisbane winter bed, observe where direct sunlight reaches in the morning, around midday and later in the day. A fence or building may shade the proposed patch; move containers to the brighter position before planting them out.

Check moisture beneath the surface rather than watering by habit. Water the root area when needed and make sure pots drain freely. Keep mulch away from emerging seed rows and small plant stems. These checks matter in every zone; a calendar cannot tell you whether this particular pot is wet.

Tomatoes need a separate timing decision: use the guide to choosing a local tomato window before adding them to this plan. For an adjoining herb pot, the herb guide’s heat-tolerance distinctions help you plan beyond this crop.

Choose your first vegetables, mark their sowing dates and leave room for the next batch. Use the month-by-month plan for the subtropical patch to decide what follows them.

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What to Plant Now in Subtropical Australia: A Month-by-Month Calendar

A raised timber vegetable garden bed with broccoli, cauliflower and lettuce growing in a sunny Queensland backyard.

In subtropical Australia — Brisbane, the Gold and Sunshine Coasts, and coastal Queensland down into northern NSW — the vegetable year is upside down compared with the calendars in most gardening books. Our hardest season is not winter; it’s the wet, humid heart of summer. The best planting happens in autumn and again in late winter, and a subtropical winter is a genuine growing season, not a rest.

If you take one thing from this page: autumn is the real spring here. Get that, and the rest of the calendar falls into place.

This calendar is written for the subtropics. Temperate gardeners (Sydney, Melbourne, Adelaide) should shift summer-crop planting later and winter planting earlier; tropical gardeners (FNQ, NT) largely swap “summer” for “wet season” and do their main growing in the dry. Where your microclimate differs — a frosty inland valley, a warm coastal strip — trust your local frost dates over any calendar, this one included.

The two big windows

Autumn (March–May). Soil is still warm, humidity and storm pressure fall away, and pest pressure drops with them. This is the moment for the crops that struggle in the wet heat: tomatoes, capsicum, beans, brassicas as the nights cool, carrots, beetroot, lettuce that won’t bolt. Most of the year’s food comes from what goes in now.

Late winter to early spring (August–September). The second chance. Warm-season crops sown now fruit in late spring before the worst humidity and before fruit fly pressure peaks in the wet months. Tomatoes planted in this window are a completely different proposition from tomatoes planted in October — the tomato timing guide explains why that month of difference decides the whole crop.

Month by month

Treat each entry as a window, not a deadline — local guides differ by a few weeks either side, and elevation or frost shifts things.

September: last of the late-winter window. Beans, sweet corn, cucumber, zucchini, tomatoes (early in the month), capsicum, basil, and quick salad greens before the heat. If zucchini set flowers but no fruit later on, that’s usually pollination, not disease.
October: heat-lovers only — eggplant, chilli, sweet potato, pumpkin family. Salad greens move to part shade.
November–January: the survival months. Plant the tropical-adapted crops that enjoy the wet heat: snake beans, kangkong, Ceylon spinach, sweet potato, ginger and turmeric. This is a poor window for tomatoes and European salads, and an excellent one for building soil and keeping mulch up to everything. Watering technique matters most now — deep and early.
February: the turn. Late February opens the autumn window in warmer years: first tomatoes and beans go in where storms allow.
March–April: peak planting. Tomatoes, capsicum, beans, beetroot, carrots, all the leafy greens, first brassicas late in April as nights cool.
May–June: the winter garden goes in: broccoli, cabbage, cauliflower, peas, broad beans, silverbeet, spinach, spring onions, radish, more carrots and lettuce.
July: keep succession-planting the winter list; garlic finishes going in; this is the subtropics’ calm, productive season — mild days, few pests, low disease.
August: the hinge month. Winter crops still produce while the first warm-season seeds (tomatoes under cover, beans late in the month) start the cycle again.

What this calendar refuses to pretend

No single Australian calendar is honest for the whole country — a Hobart January and a Brisbane January are different planets. Everything above is subtropical; where a crop is marginal we’ve said so rather than listing it anyway. And within the subtropics, fruit fly changes the maths for soft summer fruit: pressure is lowest roughly May to September and highest in the warm, wet months, which is exactly why the calendar leans so hard on autumn and winter. Netting and exclusion strategies get their own guide soon; until then, the tomato article covers the timing-first approach.

Start where you are: this month, the list above; next month, the next line. A subtropical garden planted with the calendar instead of against it is most of the battle won.

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