[These are perennial in San Diego. Mine has now overrun three fruit trees. But it blooms most of the year.] Black-eyed Susan vine - you must plant one of these in your garden this year - it's the vine that keeps going strong all summer long
Rethink the Walls Vertical gardens aren't new, but living walls have gained newfound popularity. If you don't want to tend a garden on a wall, you can use an espaliered tree to soften a patio's border.