When to Plant Dill in Cairns — Tropical Guide

Dill

Photo: Wikimedia Commons

A tall, feathery annual herb essential for Scandinavian, Eastern European and Asian cuisines. Both leaves (dill weed) and seeds are used. Like coriander, dill bolts in warm weather, but it's more forgiving. Excellent butterfly attractor. The fernlike foliage adds texture to any garden.

Current Growing Conditions

Soil temperature: 25.2°C (optimal range: 10–20°C) ✗ Outside optimal range

How to Grow Dill in Tropical Australia

When to Plant

Dry season only: April-August. Sow direct every 3 weeks.

Soil
Well-drained, average to rich soil. Not fussy about soil quality.
pH Range
5.5-6.5
Sunlight
Full sun. Tolerates light afternoon shade in hot zones.
Spacing
15cm apart, 30cm between rows
Watering
Regular watering. Drought stress accelerates bolting. Keep soil consistently moist but not waterlogged.

Companion plants: Cabbage, Broccoli, Lettuce, Onion, Cucumber

Avoid planting near: Fennel (will cross-pollinate), Carrot, Tomato

Tropical Growing Tips for Dill

Recommended Varieties

  • Dukat (more leaf, slower bolt)
  • Common dill

Key Challenges

  • Bolts rapidly in heat
  • Short season
  • Fungal issues in humidity

Pro Tips

  • Treat as a cool-season annual
  • Afternoon shade extends harvest
  • Let final planting bolt for seed harvest

Harvesting Dill

When ready: Harvest leaves once plants are 20cm+ tall. Harvest before flowering for strongest leaf flavour. Seeds ready when brown and dry on plant.

How to harvest: Snip leaf fronds as needed. Cut no more than 1/3 of plant at once. For seed: cut entire seed heads when brown, dry in paper bag.

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