Nasturtium
Tropaeolum majus
In a typical UK garden, sow indoors late March to mid-April, sow outside late April to early June, plant out early May to late May, and harvest mid-June to late October.
When to sow, plant and harvest
Last frost around 20 April, first frost around 31 October.
- Sow indoors
- late March to mid-April
- Sow outdoors
- late April to early June
- Plant out
- early May to late May
- Harvest
- mid-June to late October
Growing facts
- Spacing
- 30 cm apart, rows 30 cm apart
- Square foot
- 1 per square (30 cm squares)
- Sowing depth
- 2 cm
- Ready in
- 45 to 60 days from sowing
- Grows to
- 30 cm
- Hardiness
- Tender: killed by any frost
- Sun
- Full sun
- Crops for
- About 12 weeks
Growing tip
Sow in poor, dry soil for the most flowers; rich soil gives lots of leaf and few blooms.
Neighbours
Flowers are one crop rotation group. Try not to grow them where any of the family grew in the last two or three years. How crop rotation works
More flowers
Where these figures come from
Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For nasturtium, we used:
Grow nasturtium with VegLog
Add nasturtium to a bed and VegLog reminds you when to sow, plant out and pick, timed to your own town's frost dates.
