When to plant nasturtium in zone 7b — planting calendar

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Showing USDA Zone 7B

Growing SeasonZone 7b

Last frost ~Apr 5First frost ~Nov 1Today

Start indoorsTransplant / sowHarvestFrost risk

APRMAYJUNJULAUGSEP

Sow Apr 12 · First harvest Jun 1 · Wrap by Aug 24

Last spring frostApr 5

Direct sowApr 12

First harvestJun 1

Last harvestAug 24

First fall frostNov 1

Why these dates work in zone 7b

Zone 7b's last spring frost averages Apr 5 and first fall frost Nov 1 — about 210 frost-free days. Nasturtium is frost-sensitive, so the 1w after frost timing builds in a safety margin against a late cold snap — setting plants out too early risks losing them to frost.

Common questions

How long does nasturtium take to grow in zone 7b?

Nasturtium matures in about 50–70 days from sowing. In zone 7b that means sowing around Apr 12 and first picking around Jun 1.

Will nasturtium survive frost in zone 7b?

No — nasturtium is frost-sensitive. In zone 7b, wait until after the last frost (around Apr 5) to plant, and harvest before the first fall frost (around Nov 1).

For soil, spacing, pests and companion planting, see the full nasturtium growing guide →