Growing Barley in Australia: The Complete Guide

Barley is a moderate grain & staple to grow, needing full sun with moderate watering, low near maturity.

Barley is a moderate grain & staple to grow, and this article walks through everything behind our one-page printable guide in a good deal more depth than a single card allows.

Every crop earns its place in a garden differently, and barley is no exception. At a glance, it's rated moderate, with a sun of full sun; water of moderate, low near maturity; soil ph of 6.0–8.0 — details that matter more once you're actually planning around them than they do on a first read. The rest of this article works through exactly what each of those means day to day, with the reasoning behind each recommendation rather than just the recommendation itself.

Climate and Timing Considerations

Australia's climate zones change growing timing more than most general advice accounts for. Cool temperate zones (Tasmania, the Victorian highlands, southern NSW) have recurring frost risk well into what other zones call spring, which compresses the safe planting window for frost-tender plantings. Warm temperate zones (Sydney, Adelaide, Melbourne, Perth) sit closest to what general advice assumes by default. Subtropical zones (Brisbane, northern NSW) rarely see frost at all, and the growing calendar shifts as a result. Our site-wide zone setting adjusts the advisory note shown on the Planting Calendar for exactly this reason — worth setting once if you haven't already. The same zone setting also feeds the Harvest Calendar, so both ends of the growing cycle reflect wherever you actually garden, rather than a generic Australia-wide average.

• Cool Temperate (TAS, VIC highlands, southern NSW, ACT): barley is frost-hardy and suits an autumn sowing, ripening ahead of the worst of the summer heat.
• Warm Temperate (Sydney, Adelaide, Melbourne, Perth, coastal NSW/WA): sow May to June; barley copes with dry spells and alkaline soil better than most cereals, so it suits drier warm-temperate areas well.
• Subtropical (Brisbane, northern NSW, coastal QLD): sow in the cooler months; humid late-spring weather favours leaf diseases, so an early-maturing variety helps.

Spike and awns

Barley carries its kernels in a tight spike, each one topped with a long, bristly awn. Hulled barley keeps a tough husk after threshing, so hull-less varieties are the easiest to use whole at home.

Getting Barley Into the Ground

Method. Broadcast sow or sow in 15cm rows, raking lightly to cover seed. Hull-less varieties are easiest for home use.

Soil. Free-draining, neutral to slightly alkaline soil. Barley dislikes acid, waterlogged ground but copes with salty or dry soil better than wheat.

Timing. Sow in autumn to early winter for a spring harvest — barley is usually the quickest of the winter cereals to ripen.

These few details do most of the actual work, more than any single trick or shortcut would.

Day-to-Day Care

A few things matter most here:

• Water moderately through growth, tapering off as the heads fill and ripen.
• Lime acid soil beforehand — barley is the most acid-sensitive of the common cereals.
• Weed early; a vigorous stand shades out weeds once established.
• Wear gloves and long sleeves at harvest — the awns are sharp and itchy.

These aren't equally important, but all of them are worth building into your routine — lime on acid soil matters most, since barley is far less tolerant of acidity than oats or wheat. Treat this list as a routine to build rather than a one-off checklist, and it becomes second nature within a season or two.

What Can Go Wrong

The key things to get right:

• Net blotch — brown netted or spotted lesions on leaves; avoid sowing into last season’s barley stubble.
• Powdery mildew — white powdery growth in humid, dense stands; sow thinly enough for airflow.
• Barley yellow dwarf virus — yellowing leaves and stunting, spread by aphids; sow at the right time and control aphid build-up.
• Birds — can strip ripening heads; netting may be needed for a small planting.

None of these are complicated on their own, but skipping one is a common source of trouble — net blotch in particular is worth watching for, since it builds up quickly where barley follows barley. Treat this list as a routine to build rather than a one-off checklist, and it becomes second nature within a season or two.

Harvest and Storage

Signs. Stalks and heads turn golden and bend over, and the kernels are too hard to dent with a fingernail.

Method. Cut the whole stand, dry fully, then thresh and winnow. Hulled barley still needs its husk removed; hull-less thresh free.

Curing. Dry thoroughly before storage — damp grain spoils quickly.

Storage. Whole grain, cool, dry and airtight, 1–2+ years. Milled flour keeps only a few months.

None of these are difficult individually — the value is in getting all of them right at once.

Preserving. See Dehydrating for drying grain fully before storage.

Companions & rotation

Barley is usually grown as its own stand, though it is often sown with field peas or vetch as a mixed crop. Following a legume benefits the barley, and keeping barley away from other cereals in the rotation limits disease carry-over — this matters more over multiple seasons than in any single one.

Related Guides

If barley suits your garden, these related guides in the same category are worth a look too:

• Wheat
• Oats
• Sorghum
• Corn
• Quinoa

That's the full picture behind barley. The printable A4 version of this guide — with the quick-reference gauges and diagram in one page — is available on the main guide page below. As with every guide on this site, this is general information based on our own research and experience, not professional advice — your specific soil, climate, and circumstances will always vary from ours to some degree.

Beyond the printable card, our Planting Calendar and Harvest Calendar tools will show a zone-adjusted note for barley specifically, and the Companion Planting Checker covers companion pairings in more detail.

Frequently Asked Questions