Best time to plant horseradish in Canberra
Armoracia rusticana
Sow horseradish in Canberra in Aug to Nov.
Horseradish is grown mainly for its big, white, tapering root, used as a spice and condiment. The intact root smells of little, but cutting or grating it releases mustard oil that irritates the eyes and sinuses. This leafy perennial, related to mustard and wasabi, can reach 1.5 metres.
When to sow in Canberra
Canberra, ACT is in the cool zone. Its months for horseradish apply here without a frost adjustment.
Not yet checked against a local guide.
Your local conditions can shift any months shown here, so treat them as a guide.
Frost in Canberra
Frost usually arrives in Canberra around early April and finishes by early November. In about 1 year in 10 it comes as early as mid March or as late as late November, so frost-tender crops are planned around those dates.
From its Bureau of Meteorology station, 1991 to 2020, counting a night at 2°C or lower as a frost. Frost hollows and hillsides can shift these dates by weeks, so ask the growers at your garden too.
On a shared plot: can spread
Regrows from root pieces and is very hard to remove. Grow it in a tub or ask your garden first.
Growing details
- How to start
- Sow directly in the bed
- Sowing depth
- 3cm
- Plant spacing
- 30cm
- Row spacing
- 30cm
- Height
- 50-90cm
- Time to harvest
- 240 days
- Frost
- Hardy, takes a light frost
- Sun
- Full sun
- Life cycle
- perennial
These are typical figures, and varieties differ. Your seed packet takes priority.