Answer: Hot sunny summer weather can be hard on shrubs, but here are some that grow especially well in your area:
The old hedge standby, boxwoods love the sun, and they will tolerate some of the driest climates. Water deeply once a week in the driest times, otherwise your shrub should hold up to the elements. The will hold their leaves and color when others would fade.
The butterfly bush, this bush fills with beautiful, colorful blooms throughout the summer. It will also attract pollinators, especially butterflies, which will make all of your plants more productive. It loves full sun, and stands up to warm dry weather.
More a tree than a shrub, but it provides the bonus of eventually adding a little shade to those over-baked patches of your garden. With beautiful blooms and changing foliage, dogwoods provide three season of interest. They also really love full sun.
This shrub is the real rock star of drought tolerant plants. With beautiful bright blooms and evergreen foliage they provide 4 seasons of garden interest. They are drought tolerant, heat tolerant, and really love those all-day sunny spots.
Hope these suggestions are helpful.
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