Brassicas · Guide Companion

Growing Brussels Sprouts in Australia: The Complete Guide

Brussels Sprouts is a moderate to hard brassica to grow, needing full sun with consistent, deep watering.

We get asked about brussels sprouts often enough that it's worth setting out the full picture here, beyond what fits on our printable card.

A long, cool-season crop

Sprouts form along a tall central stem over months, maturing from the bottom up. Cold actually improves flavour — a light frost sweetens the sprouts nicely.

Planting Brussels Sprouts

Method — transplant seedlings, staked in exposed spots as they grow tall. Soil — rich, firm, well-drained. Timing — plant in late summer to early autumn for a winter harvest in most zones.

Ongoing Care

A few things matter most here:

  • Firm soil well at planting — loose soil produces loose, open sprouts.
  • Stake tall plants in windy positions.
  • Remove yellowing lower leaves as the plant matures.
  • Pick sprouts from the bottom up as they firm.

Problems to Watch For

The key things to get right:

  • Cabbage moth — net or hand-pick.
  • Aphids — cluster under leaves and between sprouts; hose off.
  • Loose, open sprouts — loose soil or too much nitrogen; firm soil well.
  • Clubroot — rotate beds, keep pH up.

Harvest and Storage

Signs — sprouts are firm and tight, walnut-sized, starting from the base. Method — snap or cut sprouts individually from the bottom up. Curing — none needed. Storage — fridge crisper, 1–2 weeks; can also stay on the stalk in cold weather.

That's the full picture behind brussels sprouts. 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.

→ View the printable A4 guide for brussels sprouts