When to Plant Squash (Summer) in Cairns — Tropical Guide

Squash (Summer)

Photo: Wikimedia Commons

Summer squash includes pattypan (button), crookneck, straightneck, and scallop types - all Cucurbita pepo. Fast-growing, prolific warm-season crops harvested immature. Bush habit suits smaller gardens. Distinct from winter squash (hard rind, long storage).

Current Growing Conditions

Soil temperature: 25.2°C (optimal range: 18–35°C) ✓ Ready to plant

How to Grow Squash (Summer) in Tropical Australia

When to Plant

Year-round, dry season preferred.

Soil
Rich, well-drained soil with compost.
pH Range
6.0-7.0
Sunlight
Full sun (minimum 6 hours)
Spacing
90cm apart, 120cm between rows
Watering
Deep water 2-3 times weekly at base. Consistent moisture during fruiting.

Companion plants: Corn, Beans, Nasturtium, Marigold

Avoid planting near: Potato, Other C. pepo if seed saving

Tropical Growing Tips for Squash (Summer)

Recommended Varieties

  • Pattypan White/Yellow
  • Yellow Crookneck
  • Scallopini

Key Challenges

  • Powdery mildew severe
  • Pumpkin beetle
  • Wet season fungal

Pro Tips

  • Fast crop: 45-55 days seed to harvest
  • Pick fruit small (10-15cm)
  • Succession plant for year-round supply

Harvesting Squash (Summer)

When ready: Pattypan: 5-8cm diameter. Crookneck: 15-20cm. Skin tender (pierce with thumbnail). Glossy.

How to harvest: Cut with sharp knife leaving 2cm stem. Pick YOUNG. Check plants daily in warm weather.

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