This column is adapted from the weekly e-zine, get growing, from New Zealand Gardener magazine. For gardening advice delivered to your inbox every Friday, sign up for Get Growing at: getgrowing.co.nz
do – capture nitrogen from the atmosphere and store it in your soil for sharing later on. Legumes (and remember that peas and beans are included in this family) feed the plants around them, sometimes when they expire, as with annuals, but often gradually as their roots re-form. A bonus with most leguminous trees and shrubs is that kereru will travel big distances to feast on their leaf tips and flowers, their favourite being the broom and gorse so disliked in the agricultural world. I don’t suggest you plant those, but legumes like them would do very nicely indeed.