Growing notes
Nasturtiums grow best in well-drained soil that is not too fertile, and thrive in early summer and fall. Sow seeds outdoors after the danger of frost has passed and the soil has had a chance to warm up.
Harvest signs
Best to use fresh young leaves and flowers; can be harvested throughout the season. When plants become stressed, harvested leaves and flowers have a stronger flavor that can be off-putting.
Companions & antagonists
Common questions
How much water does nasturtium need?
Nasturtium has middle-of-the-road water needs. Aim to keep soil moisture around 20–40%, letting the top inch dry slightly between waterings rather than staying soggy.
Can I grow nasturtium in a raised bed or container?
Yes — nasturtium does well in raised beds and is happy in a decent-sized container too, as long as drainage is good.
Does nasturtium come back every year?
No — nasturtium is an annual. It completes its life in one season, so you replant it each year.