How to Grow Nasturtium

A year-round flower for the home garden across the warmer US.

Nasturtium is a rewarding year-round crop for backyard growers.

When to plant

In frost-free regions nasturtium can be grown almost year-round. Elsewhere, plant in the milder months on either side of summer. See your region on the nasturtium page for exact timing.

Varieties

• Jewel, Compact mounding mix (Botanical Interests)
• Alaska, Variegated leaves, bright flowers (Baker Creek)

How to grow it

• Sun & soil: part sun to light shade, rich well-drained soil with even moisture.
• Spacing: about 30 cm (12 in) between plants.
• Sowing: sow about 1.5 cm deep.
• Water: roughly 3 L per plant every 3 days in hot weather.
• Containers: grows well in a pot of 20cm+.

Pests & problems

In humid regions, Mosaic virus can appear, so space for airflow and water at the roots in the morning.

Harvest

Nasturtium is usually ready to harvest in roughly 7 weeks. Pick regularly to keep plants productive.

When to plant in your region

Pick your region to see exactly when to plant nasturtium where you garden.

See also: Nasturtium in the plant library →

Related guides