A lush canopy can provide shade and shelter from the rain. Here, designer Heather Chadduck used a custom metal pergola entwined with wisteria to create a green roof.
For a similar look at a wallet-friendly price, try the Hampton Bay pergola, about $500; homedepot.com
. It comes with a removable fabric canopy to keep you covered until your wisteria takes off. Potted, fast-growing Blue Moon Wisteria vine, about $20; burpee.com