Piet Oudolf is one of the the most eminent and revered gardeners in the world

When you look at the amount of plant varieties available now to buy, it can seem a daunting task to narrow down the varieties to which ones should ‘make the cut’ and end up in your garden.

If you are relying on a flower to be the point of interest in a plant then you are relying on a finite time period, in some cases maybe just a few days and on the other extreme perhaps a few months.