Choose the crop
Use the South Australian Seasonal Planting Guide to decide what is genuinely suitable for this month and your local microclimate.
MOON PLANTING GUIDE · A TRADITION CARRIED FORWARD
Plant by the season. Watch the moon. Keep what works.
Our grandparents watched the sky as closely as they watched the soil. Moon planting was part observation, part inherited rhythm and part practical habit — a way of deciding when to sow, transplant, cultivate and harvest.
This guide preserves that tradition without pretending the science is settled. Start with what can actually grow in South Australia now, then use the lunar cycle as an optional second layer.
ONELUNARCYCLE
New
First
Full
Last
Traditional moon planting divides the roughly 29½-day lunar cycle into four working phases.
THE ORDER MATTERS
Season first. Moon second.
Moon planting should never make you put a summer crop into cold winter soil or transplant into an Adelaide heatwave. Use the lunar tradition only after the basic horticulture is right.
Check the phase
If you follow the tradition, match that suitable crop or garden job to the lunar phase below.
Let weather win
Soil moisture, heat, frost, wind and plant readiness override the Moon. A stressed seedling gains nothing from perfect timing.
Keep notes
Record sowing date, phase, weather, germination and harvest. Your own garden can tell you more than a rule repeated without observation.
THE TRADITIONAL FOUR-PHASE CYCLE
A practical way to read the old planting rhythm.
The phase descriptions below are the traditional guidance retained in the Back 2 Basics source material. They are presented as tradition — not as proven horticultural laws.
01
New Moon → First Quarter
TRADITIONAL GUIDANCE
New Moon
Traditionally: begin with leafy and above-ground growth.
The retained family guide treats the waxing period after the New Moon as a time for sowing, grafting and transplanting annual crops grown mainly for leaves, stems or seed outside the fruit.
Examples
LettuceSpinachSilverbeetBroccoliCabbageCauliflowerCereals & grains
Garden jobs traditionally matched to this phase
- Direct-sow suitable leafy crops
- Plant or transplant annual greens when weather suits
- Begin new garden projects
- Traditionally, mow if stronger lawn growth is wanted
The older guide suggests allowing roughly 12 hours after the exact New Moon before beginning this phase.
02
First Quarter → Full Moon
TRADITIONAL GUIDANCE
First Quarter
Traditionally: favour above-ground fruiting crops.
As the Moon continues waxing, the traditional guide shifts emphasis to annual crops that fruit above ground and hold their seed within the fruit.
Examples
TomatoesCapsicumChilliesBeansPeasZucchiniPumpkin & squash
Garden jobs traditionally matched to this phase
- Sow or plant fruiting annuals that are seasonally appropriate
- Graft or transplant when conditions are mild
- Support climbing crops early
- Keep new growth evenly watered
The retained guide describes the final two days before Full Moon as a favoured traditional planting and grafting window.
03
Full Moon → Last Quarter
TRADITIONAL GUIDANCE
Full Moon
Traditionally: turn attention below ground.
The waning period after Full Moon is traditionally associated with roots, bulbs, perennials and establishment below the soil surface.
Examples
CarrotsBeetrootOnionsPotatoesParsnipsTurnipsPerennials & bulbs
Garden jobs traditionally matched to this phase
- Direct-sow root crops when the season is right
- Plant perennials, bulbs and permanent crops
- Harvest and prune where horticulturally appropriate
- Transplant sturdy perennials in suitable weather
The retained source separates the exact Full Moon from the following phase and traditionally begins this work about 12 hours afterwards.
04
Last Quarter → New Moon
TRADITIONAL GUIDANCE
Last Quarter
Traditionally: cultivate, tidy and prepare.
This is the quieter part of the traditional cycle — a time to work on the garden rather than push new growth.
Examples
WeedingCompostSoil preparationPruningMulchingHarvest for storageGarden maintenance
Garden jobs traditionally matched to this phase
- Weed and cultivate beds
- Build compost or refresh mulch
- Prepare soil for the next planting window
- Harvest crops intended for storage when they are otherwise ready
Use the quieter phase to observe the garden and get the next bed ready rather than planting simply because the calendar says so.
PUTTING IT TO WORK IN SOUTH AUSTRALIA
The Moon does not cancel the climate.
Adelaide's warm-temperate growing conditions, coastal exposure, foothills frost, hot northerlies and increasingly sharp heat events all matter more to plant survival than a lunar date.
Wait for suitable soil temperature and moisture first. If the crop is seasonally right, then choose the traditional phase you want to test.
Plant when the seedling is ready and the weather offers a gentle establishment window. Shade, water and hardening-off matter more than forcing a phase.
Carrots, parsnips and many other roots dislike disturbance, so direct sowing technique and soil condition remain critical even if you follow Full Moon timing.
Good root establishment is vital. Choose the right season, prepare the planting hole properly and avoid heat or water stress.
TRADITION, OBSERVATION & SCIENCE
What do we actually know?
There is an important difference between plants responding to moonlight or lunisolar cycles and proving that a four-phase planting calendar improves garden yield. Current research has not closed that gap.
Centuries of observation created a working rhythm.
Moon planting appears in farming cultures around the world. The retained Back 2 Basics guide credits contributors to the Permaculture Association of South Australia's 1988 Calendar and reflects the same pattern our family remembers: waxing Moon for above-ground growth, waning Moon for roots and cultivation.
That cultural knowledge matters to us — but heritage and scientific proof are not the same thing.
Interesting signals exist. A proven planting calendar does not.
A 2020 scientific review found no reliable evidence that lunar phases justify agricultural operations. A 2012 review found correlations between lunisolar cycles and some plant movements or root-growth patterns, but described the evidence as circumstantial.
Laboratory work published in 2023 showed that full moonlight can trigger measurable cellular and metabolic responses in plants, and a 2026 review argues that moonlight effects deserve further study. Those findings are interesting, but they do not demonstrate that traditional crop-by-phase rules reliably improve a home garden.
Our approach:
Keep the tradition, keep observing, and be clear about what is known. If moon planting helps you slow down, watch the garden and work with a regular rhythm, it can still be a meaningful gardening practice without needing to be presented as settled science.
A SIMPLE WAY TO TRY IT
Run your own garden experiment.
If you want to know whether moon timing makes a difference in your garden, make the comparison fair. Sow the same variety from the same seed packet into the same soil, keep water and light conditions as similar as possible, and change only the timing.
Record five things
- 01Sowing or transplant date
- 02Moon phase
- 03Temperature & weather
- 04Days to germination / establishment
- 05Harvest quality & yield
BUILD THE WHOLE PICTURE
Know the season. Watch the sky. Learn your own garden.
Start with the South Australian planting calendar, use the moon tradition if it speaks to you, then follow the results from your own soil and microclimate.