Blue Spur Flower (Plectranthus ciliatus)

Blue Spur Flower

Plectranthus ciliatus

Soft, trailing foliage adds gentle texture to hanging displays. Evergreen herbaceous perennial; common names: Blue Spur Flower, Ciliate Plectranthus.

Partial sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Bright indirect light; tolerates partial shade; avoid harsh midday direct sun which can scorch delicate leaves
💧
Watering Water when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
🌡️
Temperature Thrives in 15–24°C; protect from frost below 10°C to prevent foliage damage
🔍

Characteristics

  • Leaf: Round to ovate, soft fuzzy leaves with ciliate (fringed) margins; pale green to silvery-green undersides
  • Flower: Spikes of small, tubular pale blue to lavender flowers clustered at stem tips
  • Stem: Slender, trailing, slightly succulent stems covered in fine hairs
🛠️

Care Guide

Watering

Keep soil evenly moist but not soggy; mist occasionally to boost humidity

Fertilization

Diluted balanced liquid feed every 2 weeks. Cease fertilization in autumn and winter when growth slows

Banana peel tea:Soak chopped banana peels in water for 3 days; dilute 1:10 for root drench; discard solids to avoid pest infestations and odor
Pruning
  • Pinch back stem tips regularly to encourage bushier, more compact growth
  • Trim spent flower spikes to promote new bloom production
  • Remove yellowing or damaged foliage to maintain plant health and appearance
  • Trim leggy stems in early spring to refresh growth habit
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic; no adverse effects for cats

Humans: No toxic effects reported for human ingestion or contact

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental hanging basket plant, ground cover in shaded outdoor gardens, indoor tabletop foliage display