Greenspace: 15 reasons you should grow nasturtiums

Nasturtiums look like water-lily pads without the water. This is just the beginning of a long list of their oddities. I've grown them for decades, and they still amaze me.

This is the time of year when gardeners start lists of plants they want to try next season. Nasturtiums definitely belong on your list. No others offer their benefits. So here we go -- 15 reasons why these guys are must-haves in every landscape: