The Blue Torch Cactus (Pilosocereus azureus) is a stunning columnar cactus native to Brazil, Mexico, and the Caribbean. It is famous for its vibrant blue-green skin, golden-orange spines, and white trumpet-shaped flowers that bloom in spring and summer.
Care Tips:
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Sunlight: Loves full sun (8-12 hours daily) for best color.
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Soil: Needs well-draining, gritty soil with a slightly acidic pH (6.1-7.3).
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Watering: Minimal—let soil dry completely between waterings.
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Temperature: Thrives in warm climates (Zones 9b-11b) but needs protection from frost.