nasturtium

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noun (1)

nas·​tur·​tium nə-ˈstər-shəm 

na-

: any of a genus (Tropaeolum of the family Tropaeolaceae, the nasturtium family) of herbs of Central and South America with showy spurred flowers and pungent edible seeds and leaves

especially : either of two widely cultivated ornamentals (T. majus and T. minus)

Illustration of nasturtium

nasturtium red

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noun (2)

1

or nasturtium : a strong reddish orange

2

: a dark reddish orange

Examples of nasturtium in a Sentence

Recent Examples on the Web

Noun

Companion planting with marigolds, nasturtiums, or zinnias helps deter or manage whiteflies naturally. — The Spruce, 18 July 2026

Some quick-growing annual seeds such as zinnias, morning glories, marigolds, sweet peas, cosmos, and nasturtiums can even be direct-sown. — Mary Marlowe Leverette, Southern Living, 13 July 2026

The strong scent of nasturtiums naturally repels destructive insects, such as cucumber beetles, squash bugs, and whiteflies. — Sj McShane, Martha Stewart, 30 June 2026

Some of the best plants to grow near milkweed for aphid control are marigolds, alliums, nasturtiums, dill, catnip, and anise. — Lauren Landers, Better Homes & Gardens, 13 June 2026

Word History

Etymology

Noun (1)

Latin, a cress

First Known Use

Noun (1)

1704, in the meaning defined above

Kids Definition

nasturtium

noun

nas·​tur·​tium nə-ˈstər-shəm 

na-

: any of a genus of herbs with showy flowers and edible sharp-tasting seeds and leaves