Nasturtium (Tropaeolum majus)

The typical nasturtium has plain mid green leaves and vivid orange flowers. Photograph copyright — Patsy Collins.

Tropaeolum majus is a familiar easy to grow tender annual. As the seeds are large and reliable and the plants grow quickly, nasturtiums are a popular flower for children to grow. For best results, sow the seed direct into the soil, or push a few into hanging baskets when they’re first planted up. In sheltered areas and mild winters they may self sow.