Growing Parsnip in Australia: The Complete Guide
Parsnip is a moderate root vegetable to grow, needing full sun with consistent watering.
We get asked about parsnip often enough that it's worth setting out the full picture here, beyond what fits on our printable card.
Soil depth matters
Like carrots, parsnips need deep, loose, stone-free soil for a long, straight root. Sweetness improves after the first light frost.
How to Plant Parsnip
Method — direct sow — seed loses viability fast, so use fresh seed each year. Soil — deep, loose, stone-free to 30cm. Timing — sow in early spring; slow to germinate (2–3 weeks).
Keeping It Growing Well
The key things to get right:
- Thin to 10cm apart once seedlings are established.
- Keep soil consistently moist — dry spells cause woody roots.
- Mulch to suppress weeds around the slow-growing tops.
- Leave in the ground after frost — cold sweetens the flavour.
Problems to Watch For
A few things matter most here:
- Canker — dark rot on the shoulder; improve drainage, avoid excess nitrogen.
- Forking — from stony or compacted soil.
- Carrot fly — same pest as carrots; use fine mesh.
- Slow, patchy germination — always sow fresh seed.
Picking and Keeping Your Harvest
Signs — roots reach 15–20cm, especially sweet after a frost. Method — fork gently from the side to avoid snapping the root. Curing — none needed. Storage — can stay in the ground over winter, or fridge 2–4 weeks.
That's the full picture behind parsnip. 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.