What summer color is Mercer Botanic Gardens planting

Q: What summer color is Mercer Botanic Gardens planting that we can also grow at home?
A: Mercer Botanic Gardens has lavish color-display gardens for you to enjoy as you wander through the gardens to relieve the stresses of the day. Some of these plants are trials to test their endurance during the summer heat. Others are tried-and-true plants that will give you cheery flowers to enjoy until fall.

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