Scarlet Sage (Salvia splendens)

Scarlet Sage

Salvia splendens

Vibrant scarlet spikes light up borders like living torches. Herbaceous flowering perennial; common name: scarlet sage.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; 6–8 hours of direct daily sun promotes the brightest blooms and densest growth
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Watering Water thoroughly when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
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Temperature Thrives in 18–27℃; protect from frost below 10℃ to prevent foliage damage
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Characteristics

  • Leaf: Ovate with serrated edges, medium green, slightly fuzzy texture
  • Flower: Dense terminal spikes of tubular scarlet blooms; white or pink cultivars available
  • Stem: Square, green, pubescent, freely branching
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Care Guide

Watering

Keep soil evenly moist; water 1–2 times weekly during active growth

Fertilization

Feed with diluted balanced fertilizer every 2 weeks. Discontinue fertilization in autumn to support natural dormancy

Banana peel tea:Chop 1 ripe banana peel, soak in 1L of water for 24 hours, strain, and use as a root drench to enhance bloom production
Pruning
  • Deadhead spent flower spikes regularly to encourage continuous blooming through the growing season
  • Pinch back young stem tips when seedlings reach 10 cm tall to promote bushy, compact growth
  • Trim leggy or overgrown stems in mid-summer to maintain a neat, upright habit
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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: Symbolizes enthusiasm and celebration; often used in patriotic garden displays for its bright red blooms

Usage: Ornamental bedding plant, container gardening, cut flower arrangements