When to Plant Sweet Granadilla in Sydney, Warm Temperate Guide
Soil temperature is modelled from Open-Meteo forecast (Sydney), not a live sensor.
What this month normally looks like in Warm Temperate
In October the Warm Temperate zone normally runs 24°C by day and 13°C overnight, with about 66 mm of rain over 7 or 8 wet days. The coldest October night on record across the zone was -1.5°C, so a late frost is not out of the question. Averages 1991 to 2026, 153 postcodes, SILO.
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This Sweet Granadilla guide is written for the Warm Temperate zone, which takes in Sydney, Newcastle and Wollongong. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Brisbane Melbourne Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
- Planting window
- Aug to Nov
- Days to harvest
- about 104 weeks
- Sun
- Full sun to part shade
- Soil pH
- 6.0–7.5
Sweet granadilla is a vigorous evergreen climbing vine with heart-shaped leaves. It bears orange-skinned fruit with sweet, jelly-like pulp, and it needs a second compatible vine for good fruit set.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Planting Calendar for Warm Temperate
- Jan -
- Feb -
- Mar -
- Apr -
- May -
- Jun -
- Jul -
- Aug S
- Sep S/T
- Oct S/T
- Nov T
- Dec -
S = Seed Tray T = Transplant D = Direct Sow
Want a nudge when it is sowing time?
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How to Grow Sweet Granadilla in Warm Temperate Australia
- Soil
- Rich, fertile, organic-rich well-drained loam
- Salt
- Sensitive. Struggles with salty bore water or salty soil. Give it rainwater if you can.
- pH Range
- 6.0-7.5
- Sunlight
- Full sun to partial shade, at least 6 hours of direct sun a day
- Spacing
- 250-500cm apart, 300cm between rows
- Good companions
- Nasturtium, Basil, Comfrey, Borage, Lemon Balm
Warm Temperate Growing Tips for Sweet Granadilla
Key Challenges
- Fruit Fly: Larvae in developing fruit cause rot
- Fusarium Wilt: The plant wilts and the rhizome rots
- Root Rot: Plants collapse in waterlogged pots or beds
- Scale insects and sap suckers: Weakened growth and sticky honeydew
Pro Tips
- Apply a balanced organic fertiliser or well-rotted manure in spring, followed by high-potassium fertiliser during summer flowering and fruiting
- Apply a 7 to 10 cm layer of organic straw or bark mulch around the dripline, keeping it 10 cm clear of the main stem
- Train main climbing vines onto a sturdy fence, pergola, or heavy-duty trellis wire system to support dense foliage and heavy fruit
Pests and problems for Sweet Granadilla in Warm Temperate
- Fusarium Wilt Choose grafted plants and well-drained soil. Watch
- Root Rot Plant on mounds in well-drained soil and avoid overwatering. Watch
- Fruit Fly Fruit Fly: Larvae in developing fruit cause rot Watch
- Scale insects and sap suckers Scale insects and sap suckers: Weakened growth and sticky honeydew Watch
Harvesting Sweet Granadilla
When ready: Fruit shell turns bright orange to yellow-orange with small pale speckles and sounds slightly hollow when tapped
How to harvest: Snip fruit stem with sharp secateurs leaving 2 to 3 cm of stem, or collect mature fruit as it drops naturally
What members get
- Soil and weather from your nearest station
- An email when it's time to sow
- Your own garden plan, including planning from a photo
- Price history and price alerts
- Pest risk alerts for your area
- Full salt and canning detail
Common Questions About Sweet Granadilla
When do you plant sweet granadilla in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Apr to May
- Subtropical (Brisbane): Aug to Nov
- Warm Temperate (Sydney): Aug to Nov
- Cool Temperate (Melbourne): Oct to Nov
- Cold / Highland (Canberra): not recommended
- Arid / Semi-Arid (Alice Springs): not recommended
- Mediterranean (Perth): Oct to Nov
Can you grow sweet granadilla all year round in Sydney?
No. In the Warm Temperate zone the planting months are Aug to Nov. Outside that window it either bolts, sulks or gets cut down by the weather.
When should I plant Sweet Granadilla in Sydney?
Plant after spring frosts pass in a warm, sheltered north-facing spot protected from strong winds.
What soil temperature do Sweet Granadilla need?
Sweet Granadilla germinate best when soil temperature is between 20°C and 30°C.
How do I know when Sweet Granadilla are ready to harvest?
Fruit shell turns bright orange to yellow-orange with small pale speckles and sounds slightly hollow when tapped
What grows well with Sweet Granadilla?
Good companion plants for Sweet Granadilla include: Nasturtium, Basil, Comfrey, Borage, Lemon Balm.
Are sweet granadilla salt tolerant?
No. Sweet granadilla are salt-sensitive, one of the more sensitive veggies. Use rainwater if your bore water is salty, or grow them in a raised bed of fresh mix if your soil is.
Which zone am I in?
Type your postcode into the box near the top of the page and it tells you, and links this crop in your own zone if it differs. Or look it up on the grow zone map. This page is the Warm Temperate zone, Sydney is its reference city.