Pink Snakeweed (Stachytarpheta mutabilis)

Pink Snakeweed

Stachytarpheta mutabilis

It blooms in shifting pink hues, a cheerful pollinator magnet. Flowering perennial shrub.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright, direct sunlight for most of the day, with mild shade protection during intense midday summer sun
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Watering Water deeply when the top 2–3 cm of soil dries out; tolerates short periods of drought once established
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Temperature Prefers warm tropical to subtropical temperatures; protect from frost and temperatures below 10°C to prevent leaf damage
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Characteristics

  • Leaf: Opposite, lanceolate to ovate leaves with serrated margins; dark green, slightly hairy texture
  • Flower: Dense terminal spikes of tiny flowers that shift from pale pink to deep rose as they mature
  • Stem: Square, green to brownish stems with fine, soft pubescence
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Care Guide

Watering

Keep soil consistently moist but not waterlogged to support active blooming

Fertilization

Diluted balanced liquid fertilizer every 4 weeks. Discontinue fertilization in late autumn to prepare the plant for dormancy

Banana Peel Compost Tea:Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water before applying as a root drench to avoid nutrient burn
Pruning
  • Deadhead spent flower spikes regularly to encourage continuous blooming throughout the growing season
  • Trim overgrown or leggy stems in early spring to maintain a compact, rounded shape
  • Remove damaged, diseased, or yellowing foliage to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no reported toxicity symptoms

Humans: Non-toxic to humans; no known adverse health effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Pollinator garden staple; attracts butterflies, bees, and hummingbirds; used in tropical landscape borders