Seasons |best|: Five

And it wrecked my lawn. We all know Spring, Summer, and Fall. Garden centers make a fortune off them. But Piet Oudolf, the rockstar of the "New Perennial" movement, argues for a fourth and fifth season.

And it is glorious. Have you seen Five Seasons ? Did it change your mind about "clean" gardening? Let me know in the comments below. five seasons