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Western exposure is brightest in the afternoon. It can be a hot spot, so is not suitable for some plants. Cacti love the sun and heat. They are good candidates for this exposure.

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Succulents can also take the heat, making them another good choice.

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Drought tolerant tropical plants are suited to this exposure. One rugged and easy to grow beauty is the Bougainvillea.

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Some of the tradescantias are also toughies that thrive in this setting.