Ernst's Spurflower (Plectranthus ernstii)

Ernst's Spurflower

Plectranthus ernstii

Fleshy silver leaves hold soft succulent charm, a quiet star for dry indoor spaces. Evergreen succulent shrub; common name: Ernst's Spurflower.

Partial sun
1/week
Beginner
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Plant Needs

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Sunlight Bright indirect light with 2–3 hours of gentle morning direct sun; avoid intense midday sun to prevent leaf scorch
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Watering Water thoroughly only when the entire soil volume is completely dry; avoid standing water to prevent root rot
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Temperature Thrives at 15–25°C; protect from temperatures below 10°C to avoid frost damage
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Characteristics

  • Leaf: Silvery-grey, fleshy ovate leaves with subtle serrated edges; covered in fine, fuzzy pubescence
  • Flower: Small tubular pale lavender blooms arranged in terminal racemes
  • Stem: Succulent green upper stems; woody, brown lower stems with age
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Care Guide

Watering

Water when soil is fully dry; allow excess water to drain fully

Fertilization

Diluted succulent fertilizer once monthly. Discontinue fertilization in autumn and winter when growth slows

Eggshell powder topdressing:Crush dried eggshells into fine powder; dust lightly on soil surface to boost calcium levels and improve drainage
Pruning
  • Remove yellowing or damaged leaves at the base to maintain tidy growth
  • Pinch back stem tips in early spring to encourage bushier mounding habit
  • Trim leggy stems in early summer to restore compact form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no known adverse effects

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental succulent for indoor planters, rock gardens, and xeriscaping