Jammy Mouth (Ruttya fruticosa)

Jammy Mouth

Ruttya fruticosa

Tubular yellow blooms glow like tiny lanterns, brightening subtropical borders. Evergreen flowering shrub; common names: Jammy Mouth, Yellow Ruttya.

Full sun
1–2/week
Beginner
🌱

Plant Needs

☀️
Sunlight Full sun to partial shade; tolerates dappled shade in intense summer heat to prevent leaf scorch
💧
Watering Water deeply when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot
🌡️
Temperature Thrives in 15–25°C; protect from frost below 10°C to avoid leaf damage
🔍

Characteristics

  • Leaf: Opposite, ovate to elliptical leaves; glossy dark green, 3–6 cm long, slightly serrated margins
  • Flower: Tubular yellow corollas with red-orange throats; clustered in terminal spikes
  • Stem: Woody, branching stems with fine pubescence when young
🛠️

Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Apply balanced diluted liquid fertilizer. Avoid over-fertilizing to prevent leggy growth and reduced flowering

Banana peel tea:Soak 1 chopped banana peel in 1L of water for 3 days, strain thoroughly, and drench soil to avoid pest attraction from solid debris
Pruning
  • Deadhead spent flower spikes to encourage continuous late-season blooming
  • Prune lightly after flowering to maintain a compact bushy shape
  • Remove damaged, diseased, or leggy stems in early spring to promote new growth
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No documented toxicity to cats

Humans: No documented toxicity to humans

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden border plant, container plant for patios, pollinator-friendly garden addition