When to Plant Lemongrass in Alice Springs, Arid / Semi-Arid Guide

Plant now in Arid / Semi-Arid
What this month normally looks like in Arid / Semi-Arid

In October the Arid / Semi-Arid zone normally runs 32°C by day and 16°C overnight, with about 19 mm of rain over 2 or 3 wet days. The coldest October night on record across the zone was 1.9°C, so a late frost is not out of the question. Averages 1991 to 2026, 10 postcodes, SILO.

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  1. Planting calendar
  2. How to grow
  3. Local tips and varieties
  4. Pests and problems
  5. Harvesting
  6. Storing and preserving
  7. Other zones and related crops
  8. Common questions

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This Lemongrass guide is written for the Arid / Semi-Arid zone, which takes in Alice Springs, Broken Hill and Port Augusta. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Sydney Melbourne Canberra Perth

Also handy: will it frost this week? and what grows in shade.

Planting window
Sep to Dec
Days to harvest
about 17 weeks
Sun
Full sun
Water
Regular
Spacing
60 cm apart
Soil pH
5.5–7.0

A tropical perennial grass forming dense clumps to 1.5m tall. The swollen stem bases provide lemony flavour essential to Thai, Vietnamese and Indonesian cooking. Frost-tender. Dies at sustained temperatures below 5C.

Lemongrass

Photo: Wikimedia Commons

Best Planting Window for Arid / Semi-Arid

  • Jan -
  • Feb -
  • Mar -
  • Apr -
  • May -
  • Jun -
  • Jul -
  • Aug -
  • Sep P
  • Oct P
  • Nov P
  • Dec P

P = Planting window

Plant divisions in spring once frost has passed so they establish before winter. Frost cuts it back, so choose a sheltered warm spot.

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How to Grow Lemongrass in Arid / Semi-Arid Australia

Soil
Rich, moist, well-drained soil with plenty of organic matter.
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
5.5-7.0
Sunlight
Full sun. Needs heat and light.
Spacing
60cm apart, 90cm between rows
Watering
Regular deep watering in growing season. Reduce in winter.
Good companions
Nasturtium, Tomato, Basil, Capsicum, Thyme
Keep away from
Broccoli, Cabbage, Cauliflower, Fennel, Mint

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Arid / Semi-Arid Growing Tips for Lemongrass

Recommended Varieties

  • Cymbopogon citratus

Key Challenges

  • High water needs
  • Frost at altitude

Pro Tips

  • Needs regular irrigation, not drought tolerant
  • Mulch heavily
  • Can form large clumps with water

Pests and problems for Lemongrass in Arid / Semi-Arid

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Browse the full pest library →

Harvesting Lemongrass

When ready: Harvest when stalks 1cm+ thick at base and 30cm+ tall. Usually 3-4 months after planting.

How to harvest: Twist and pull outer stalks from base. Use bottom 10-15cm (swollen white base). Peel tough outer layers.

Storing and preserving lemongrass

How to keep it
  • Freezing whole stalks. Trim to 15cm, peel outer layers. Freeze whole. Slice frozen directly into cooking. Keeps: 12 months.
  • Freezing paste. Blend stalks with a little water. Freeze in ice cube trays. Keeps: 6 months.
  • Drying. Slice thinly, dehydrate at 50C for 6-8 hours. Rehydrate before cooking. Keeps: 12 months.

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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

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Common Questions About Lemongrass

When do you plant lemongrass in Australia?

It depends on your climate zone, not the calendar month alone. Planting months by zone:

When should I plant Lemongrass in Alice Springs?

Plant divisions in spring once frost has passed so they establish before winter. Frost cuts it back, so choose a sheltered warm spot.

How do I know when Lemongrass are ready to harvest?

Harvest when stalks 1cm+ thick at base and 30cm+ tall. Usually 3-4 months after planting.

What are the best Lemongrass varieties for Alice Springs?

Recommended varieties for the Arid / Semi-Arid zone include: Cymbopogon citratus.

What grows well with Lemongrass?

Good companion plants for Lemongrass include: Nasturtium, Tomato, Basil, Capsicum, Thyme.

Are lemongrass salt tolerant?

Only a little. Lemongrass 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 Arid / Semi-Arid zone, Alice Springs is its reference city.