Best time to plant watercress in Sydney
Nasturtium officinale
Sow watercress in Sydney in Sep to Apr.
Water cress is a fast-growing perennial water plant from the cabbage family, eaten as a leaf vegetable and among the earliest known to people. Its hollow stems float on the water and reach up to 60 cm, while the flavour is piquant, like its relatives mustard and radish.
When to sow in Sydney
Sydney, NSW is in the temperate zone. Its months for watercress 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 Sydney
Sydney frosts in fewer than 1 year in 10, so frost doesn't hold back any planting here.
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
Spreads along wet ground and waterways. Keep it in a tub, away from drains.
Growing details
- How to start
- Sow directly or raise seedlings
- Sowing depth
- 3mm
- Plant spacing
- 100cm
- Row spacing
- 20cm
- Height
- 50cm
- Germination
- 12-15 days at 8-15°C
- Time to harvest
- 50-60 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.