When to Plant Bottle Gourd in Brisbane, Subtropical Guide
That soil figure is read off our own weather station in South East Queensland at 22:55 yesterday, not a model.
What this month normally looks like in Subtropical
In October the Subtropical zone normally runs 27°C by day and 15°C overnight, with about 77 mm of rain over 7 wet days. The coldest October night on record across the zone was -0.2°C, so a late frost is not out of the question. Averages 1991 to 2026, 33 postcodes, SILO.
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This Bottle Gourd guide is written for the Subtropical zone, which takes in Brisbane, the Gold Coast and the Sunshine Coast. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Sydney Melbourne Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
- Planting window
- Aug to Mar
- Days to harvest
- about 21 weeks
- Sun
- Full sun
- Water
- Regular
- Soil pH
- 6.0–7.5
Lagenaria siceraria is bottle gourd, including culinary New Guinea bean/cucuzzi types. This record covers edible selections harvested young; it is neither a legume nor a Cucurbita squash.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Planting Calendar for Subtropical
- Jan D
- Feb D
- Mar D
- Apr -
- May -
- Jun -
- Jul -
- Aug D
- Sep D
- Oct D
- Nov D
- Dec D
S = Seed Tray T = Transplant D = Direct Sow
Want a nudge when it is sowing time?
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How to Grow Bottle Gourd in Subtropical Australia
- Soil
- Rich, fertile, moist, organic-rich loam
- Salt
- Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
- pH Range
- 6.0-7.5
- Sunlight
- Full sun, at least 6 to 8 hours of direct sun a day
- Spacing
- 45-120cm apart, 180cm between rows
- Watering
- Keep the soil moist, as the seed suppliers ask for moist, well-drained soil.
- Good companions
- Nasturtium, Dwarf Beans, Sweet Corn, Radish, Basil
Subtropical Growing Tips for Bottle Gourd
Recommended Varieties
- Mini Bottle (Small bottle gourd): Direct sow in spring after frost, 20 mm deep, 150 cm between plants. Susceptible to mildew
- New Guinea Bean (Cucuzza) (Edible long gourd): Ready in 60 to 75 days when picked young
- Kobu (Bottle gourd)
Key Challenges
- Powdery Mildew: Weakens leaves and reduces the crop
- Cucumber fly: Females lay eggs in the fruit, and the larvae tunnel through and rot it
- Pumpkin Beetle: Adults chew holes in leaves and flowers
Pro Tips
- Feed with well-rotted manure or compost prior to planting, followed by a liquid potassium-rich fertiliser during flowering and fruit setting
- Apply a thick organic mulch around the base of vines to retain soil moisture and keep roots cool during summer
- Provide a sturdy trellis, fence, or arbor for vigorous climbing vines to produce straight, unblemished gourds
Pests and problems for Bottle Gourd in Subtropical
- Powdery Mildew Space and trellis plants for airflow, avoid overhead watering, and control weeds. The Seed Collection lists this gourd as susceptible to... Watch
- Pumpkin Beetle Pumpkin Beetle: Adults chew holes in leaves and flowers Watch
- Cucumber fly Cucumber fly: Females lay eggs in the fruit, and the larvae tunnel through and rot it Watch
Harvesting Bottle Gourd
When ready: Harvest young tender gourds when 30 to 60 cm long for eating; leave on vine until skin hardens if harvesting for containers or dried gourds
How to harvest: Cut fruit stem with clean secateurs or sharp knife, leaving a short stem stub intact
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 Bottle Gourd
When do you plant bottle gourd in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Feb to Sep
- Subtropical (Brisbane): Jan to Mar, Aug to Dec
- Warm Temperate (Sydney): Sep to Dec
- Cool Temperate (Melbourne): Oct to Dec
- Cold / Highland (Canberra): Oct to Dec
- Arid / Semi-Arid (Alice Springs): Jan to Mar, Aug to Dec
- Mediterranean (Perth): Sep to Dec
Can you grow bottle gourd all year round in Brisbane?
No. In the Subtropical zone the planting months are Jan to Mar, Aug to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.
When should I plant Bottle Gourd in Brisbane?
Supplier gives spring to early autumn sowing after frost; soil must be warm. Season length determines the final safe sowing.
What soil temperature do Bottle Gourd need?
Bottle Gourd germinate best when soil temperature is between 20°C and 30°C.
How do I know when Bottle Gourd are ready to harvest?
Harvest young tender gourds when 30 to 60 cm long for eating; leave on vine until skin hardens if harvesting for containers or dried gourds
What are the best Bottle Gourd varieties for Brisbane?
Recommended varieties for the Subtropical zone include: Mini Bottle (Small bottle gourd): Direct sow in spring after frost, 20 mm deep, 150 cm between plants. Susceptible to mildew, New Guinea Bean (Cucuzza) (Edible long gourd): Ready in 60 to 75 days when picked young, Kobu (Bottle gourd).
What grows well with Bottle Gourd?
Good companion plants for Bottle Gourd include: Nasturtium, Dwarf Beans, Sweet Corn, Radish, Basil.
Are bottle gourd salt tolerant?
Only a little. Bottle gourd are moderately sensitive to salt, so the harvest drops on salty bore water. Mix salty water with rainwater, and mulch the bed.
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 Subtropical zone, Brisbane is its reference city.