DibbleGrowing nasturtiums: from seed to harvest
Sow seeds in lean soil once the weather is mild: rich soil gives leaves, not flowers. The edible leaves and flowers lure aphids away from your vegetables. It sulks in extreme heat, so give it some afternoon shade.
Planting dates for nasturtiums by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | not needed | June 1 | July 20 |
| Zone 4 | not needed | May 24 | July 13 |
| Zone 5 | not needed | May 18 | July 1 |
| Zone 6 | not needed | May 10 | June 29 |
| Zone 7 | not needed | April 30 | June 12 |
| Zone 8 | not needed | April 2 | May 18 |
| Zone 9 | not needed | March 9 | April 28 |
| Zone 10 | not needed | January 12 | February 26 |
| Zone 11 | not needed | October 17 | February 20 |
Each date is the start of the best window from the same climate engine the Dibble app uses, run at typical places in each zone. Dibble tunes them to your garden's own location and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Nasturtium:
Family and rotation
Nasturtium is in the nasturtium family family. Nasturtiums are easygoing companions. Interplant freely to lure aphids from crops. Learn about crop rotation.
Related crops
Dahlia
When to plantZinnia
When to plantSunflower
When to plantMarigold
When to plantTulip
When to plantCosmos
When to plant
Questions
When should I plant nasturtiums?
It depends on your zone. Nasturtium is a tender crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and set where your garden is to get your own calendar.
How long does it take to grow nasturtiums?
About 50 days from sowing to the first harvest, with a picking window of roughly 90 days after that.
What grows well with nasturtiums?
Good companions include Cucumber, squash, Bean (bush), Tomato.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.