- Five Seasons Extra #1: Piet Oudolf on Life Cycles, Durslade and Design Responsibility$5.00
- Five Seasons Extra #2: Piet Oudolf on his garden, Evolution and Seasonality$5.00
- Five Seasons Extra #3: Piet Oudolf on his Process, Career and Philosophy$5.00
- Five Seasons Extra #4: Piet Oudolf on his Books, Colleagues and Inspiration$5.00