Purple Haze Succulent (Grapetopetalum superbum)

Purple Haze Succulent

Grapetopetalum superbum

Its powdery purple rosettes glow like frozen twilight. Drought-tolerant succulent; common name: Purple Haze.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Full sun to partial sun; bright direct light enhances purple foliage color; avoid scorching midday sun in hot climates
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Watering Water deeply only when soil is completely dry; avoid overwatering to prevent root rot
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Temperature Thrives in 15–28°C; tolerates light frost down to 5°C but avoid prolonged freezing temperatures
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Characteristics

  • Leaf: Thick fleshy obovate leaves with powdery farina; purple-gray hue deepens in bright light
  • Flower: Star-shaped pale yellow blooms with red tips; borne on tall stalks above rosettes
  • Stem: Short branching stems that spread slowly to form dense clumps
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Care Guide

Watering

Water once every 7–10 days when soil is fully dry

Fertilization

Diluted low-nitrogen feed once monthly. Discontinue feeding in autumn and winter when growth slows

Eggshell powder topdressing:Crush clean, dried eggshells into fine powder; sprinkle lightly on soil surface to boost calcium levels without burning roots
Pruning
  • Remove dried, dead leaves from rosette bases to prevent pest harborage
  • Trim leggy stems in spring to encourage compact, bushy growth
  • Snip spent flower stalks after blooming to redirect energy to new rosette formation
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental succulent for rock gardens, container displays, and indoor succulent arrangements