How Hardy Are Nasturtiums

Nasturtiums are annuals in USDA zones 4 to 8, but may be grown as perennials in zones 9 to 11. They cannot survive freezing temperatures, so if you do wish to grow them in colder climates, consider planting them in containers and bringing them indoors for the winter season.

Are nasturtiums frost resistant?

Frost tolerant Nasturtiums may survive very light frosts, but they are easily damaged by freezing temperatures.

Do nasturtium flowers come back every year?

Nasturtiums are gorgeous, helpful companion plants with vibrantly colored blooms. Although they’re considered annuals, they easily re-seed themselves without intervention, so you know they’ll come back year after year.

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.

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