When to Plant Perilla in Perth, Mediterranean Guide

Sow now in Mediterranean Soil 15.6°C, best 19–21°C. Still too cold.

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

What this month normally looks like in Mediterranean

In October the Mediterranean zone normally runs 22°C by day and 10°C overnight, with about 38 mm of rain over 6 or 7 wet days. The coldest October night on record across the zone was -0.2°C, so a late frost is not out of the question. Averages 1991 to 2026, 19 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 Perilla guide is written for the Mediterranean zone, which takes in Perth, Adelaide and Bunbury. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Sydney Melbourne Canberra Alice Springs

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

Planting window
Aug to Jan
Days to harvest
60 days
Sun
Full sun to part shade
Water
Regular
Spacing
20 cm apart

Perilla, also called shiso, is a bushy Asian herb related to basil. Green types suit sushi and salads and purple types add colour. It germinates easily in warm soil and grows to 45 to 90 cm.

Perilla

Photo: Wikimedia Commons

Planting Calendar for Mediterranean

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

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is sowing time?

One email a week with what is worth planting in the Mediterranean zone right now, Perilla included, plus which veg has jumped in price at the supermarket. Free, and you can stop it in one click.

How to Grow Perilla in Mediterranean Australia

Soil
Moist, free draining soil. Heavy, waterlogged soil leads to root rot (Seeds of Plenty).
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
Sunlight
Full sun or part shade (ABC Organic Gardener, The Seed Collection).
Spacing
20cm apart, 40cm between rows
Watering
Keep soil moist but not soggy. Water more in hot or windy weather and mulch (Seeds of Plenty).
Good companions
Tomato, Capsicum

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

Mediterranean Growing Tips for Perilla

Recommended Varieties

  • Green perilla
  • Purple shiso

Key Challenges

  • Dry summer
  • Frost

Pro Tips

  • Mulch well
  • Plant after frost

Pests and problems for Perilla in Mediterranean

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

Browse the full pest library →

Harvesting Perilla

When ready: Two young leaves and a tip bud have the best aroma and flavour (Seeds of Plenty).

How to harvest: Pinch tips or trim with scissors. Each cut tip is replaced by a pair of new ones. Snip the stems then strip the leaves (ABC Organic Gardener).

Storing and preserving perilla

How to keep it
  • Use fresh. No Australian source read on preserving.

Members see the price history and price alerts for perilla. See what members get

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 Perilla

When do you plant perilla in Australia?

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

Can you grow perilla all year round in Perth?

No. In the Mediterranean zone the planting months are Jan, Aug to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.

When should I plant Perilla in Perth?

No separate Mediterranean chart. The temperate chart months are used (Seeds of Plenty). Plant after frost and water well through the dry summer.

What soil temperature do Perilla need?

Perilla germinate best when soil temperature is between 19°C and 21°C.

How do I know when Perilla are ready to harvest?

Two young leaves and a tip bud have the best aroma and flavour (Seeds of Plenty).

What are the best Perilla varieties for Perth?

Recommended varieties for the Mediterranean zone include: Green perilla, Purple shiso.

What grows well with Perilla?

Good companion plants for Perilla include: Tomato, Capsicum.

Are perilla salt tolerant?

Only a little. Perilla 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 Mediterranean zone, Perth is its reference city.