Blue Witches’ Hat (aka Hedgehog Sage) offers its growers saturated blue blooms that are beloved by pollinators. They are native to regions of South Africa where they are frequently found near wetlands and along the banks of waterways. They're commonly known as blue witches’ hat for its cobalt blue flowers shaped like a witch hat. They form a short mounded shrub at maturity, its overall shape makes blue witches’ hat a good option for use as a background plant in the flower garden border. Care for hedgehog sage plant does involve a few routine tasks since among these will be pruning and regular watering.

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Source: Gardening Know How