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

Out of season. Next window opens in April Soil 25.3°C, best 7–15°C. Too warm for it.

Soil temperature is modelled from Open-Meteo forecast (Alice Springs), not a live sensor.

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.

Jump to section
  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 Garden Cress 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
Apr to Sep
Days to harvest
25 days
Sun
Full sun to part shade
Water
Regular
Spacing
10 cm apart
Soil pH
Not stated in the sources opened.

Garden cress is a fast, peppery salad green that is sown direct and cut young.

Garden Cress

Photo: Wikimedia Commons

Planting Calendar for Arid / Semi-Arid

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

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is sowing time?

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How to Grow Garden Cress in Arid / Semi-Arid Australia

Soil
Rich, well drained soil with compost; roots are shallow (The Seed Collection).
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
Not stated in the sources opened.
Sunlight
Full sun or part shade, with at least 3 hours of sun; part shade in hot weather delays bolting (The Seed Collection, Succeed Heirlooms).
Spacing
10cm apart, 15cm between rows
Watering
Keep the soil evenly moist and water at soil level to keep leaves dry (The Seed Collection).
Good companions
Lettuce, Onion, Tomato, Carrot, Radish
Keep away from
Broccoli, Cabbage
Grow before it
Legumes (Beans - Dwarf, Peas, Broad Beans)
Grow after it
Fruiting crops (Tomato, Capsicum, Zucchini)

Give the bed 3 turns before brassicas go back in. The cabbage family is hungry for nitrogen and shares club root and other soil diseases.

Members see the exact salt threshold, how much harvest it loses as salt rises, and what to grow instead. See what members get

Arid / Semi-Arid Growing Tips for Garden Cress

Recommended Varieties

  • Extra Curled

Key Challenges

  • Dry heat and bolting

Pro Tips

  • Shallow roots dry fast; water daily in pots

Pests and problems for Garden Cress in Arid / Semi-Arid

Members see each pest score and pest risk alerts for your area. See what members get

Browse the full pest library →

Harvesting Garden Cress

When ready: Microgreens at 1 to 2 weeks, leaf plants 15 to 20 cm tall from about 25 days (The Seed Collection, Succeed Heirlooms).

How to harvest: Snip with scissors above the growing point for cut-and-come-again (The Seed Collection).

Storing and preserving garden cress

How to keep it
  • Fresh storage. Cut as needed; keep cut leaves in a perforated bag in the fridge (The Seed Collection). Keeps: 2-4 days.

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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 Garden Cress

When do you plant garden cress in Australia?

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

Can you grow garden cress all year round in Alice Springs?

No. In the Arid / Semi-Arid zone the planting months are Apr to Sep. Outside that window it either bolts, sulks or gets cut down by the weather.

When should I plant Garden Cress in Alice Springs?

Sow direct from April to September in the cooler months, in part shade, and water at soil level to keep it evenly moist (The Seed Collection). Months derived from the national advice.

What soil temperature do Garden Cress need?

Garden Cress germinate best when soil temperature is between 7°C and 15°C.

How do I know when Garden Cress are ready to harvest?

Microgreens at 1 to 2 weeks, leaf plants 15 to 20 cm tall from about 25 days (The Seed Collection, Succeed Heirlooms).

What are the best Garden Cress varieties for Alice Springs?

Recommended varieties for the Arid / Semi-Arid zone include: Extra Curled.

What grows well with Garden Cress?

Good companion plants for Garden Cress include: Lettuce, Onion, Tomato, Carrot, Radish.

Are garden cress salt tolerant?

Only a little. Garden cress 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.