Answer: In other parts of the country where summer temperatures are more moderate, basil grows best in full sunshine. But in the Valley of the Sun, basil (and most other herbs) need some protection from the summer sunshine. What you can do is grow your tender herbs from February through April and again from late September through November in sunny spots but move them to a bright but shady spot from May until September. Basil is an annual plant so I'm not sure the roots will regenerate new foliage after the toasting they received, but it's worth the effort to wait and see. Basil grows readily from seeds so you might try planting some seeds and keeping the container in a bright but protected spot for the rest of the summer.
Best wishes with your garden!
Q&A Library Searching Tips