When to Plant Rosemary in Sydney — Warm Temperate Guide
Photo: Wikimedia Commons
Iconic Mediterranean evergreen shrub with intensely aromatic needle-like leaves. Extremely drought-tolerant once established. HATES wet feet and humidity - root rot kills more rosemary in Australia than anything else. Forms a woody shrub 1-1.5m tall. Long-lived (10+ years) in suitable conditions. Upright and prostrate forms available.
Current Growing Conditions
Soil temperature: 19.3°C (optimal range: 15–20°C) ✓ Ready to plant
How to Grow Rosemary in Warm Temperate Australia
When to Plant
Plant almost year-round. Best in spring or autumn.
- Soil
- Well-drained, lean, slightly alkaline soil. Sandy or gravelly. Does NOT want rich soil.
- pH Range
- 6.5-7.5
- Sunlight
- Full sun. Minimum 6 hours. More = better.
- Spacing
- 100cm apart, 120cm between rows
- Watering
- Minimal once established. Water young plants weekly until rooted. Established plants need almost no supplementary water in temperate zones. OVERWATERING KILLS ROSEMARY.
Companion plants: Sage, Thyme, Lavender, Beans, Cabbage, Carrot
Avoid planting near: Mint, Basil (different water needs)
Warm Temperate Growing Tips for Rosemary
Recommended Varieties
- Tuscan Blue
- Common
- Prostrate
- Miss Jessops Upright
Key Challenges
- Humid summers in coastal areas
- Drainage still critical
Pro Tips
- Good zone for rosemary
- Lean soil and minimal water once established
- Makes excellent hedge plant
Harvesting Rosemary
When ready: Harvest from established plants (6+ months old). Evergreen - available year-round.
How to harvest: Snip 10-15cm stem tips. Never cut into old leafless wood - it won't regrow. Always cut above green growth.
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