Red Hot Poker (Kniphofia uvaria)

Red Hot Poker

Kniphofia uvaria

Tall, torch-like blooms blaze like summer embers. Herbaceous perennial flowering plant; common names: Red Hot Poker, Torch Lily.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun exposure for optimal bloom production; tolerates light partial shade in extreme summer heat.
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Watering Water deeply when the top 5–7 cm of soil dries out; avoid overwatering to prevent root rot.
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Temperature Hardy to -10°C; thrives in warm summer temperatures and tolerates mild winter frost.
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Characteristics

  • Leaf: Long, strap-shaped, grass-like evergreen leaves forming dense, upright clumps.
  • Flower: Dense cylindrical spikes of tubular blooms, transitioning from orange-red at the base to yellow at the tip.
  • Stem: Erect, sturdy flower stalks rising 30–60 cm above the foliage clumps.
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Care Guide

Watering

Keep soil consistently moist during active growth periods

Fertilization

Apply balanced liquid fertilizer monthly. Discontinue fertilization in late autumn to support dormancy.

Banana peel compost tea:Compost banana peels for 2–3 weeks, steep in water for 24 hours, dilute 1:20 for root drench to enhance flowering.
Pruning
  • Deadhead spent flower spikes promptly to encourage continuous reblooming.
  • Remove brown, damaged foliage in early spring to refresh clumps and improve airflow.
  • Divide overcrowded clumps every 3–4 years in early spring to maintain plant vigor.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no adverse effects from ingestion or contact.

Humans: No known toxic effects on humans; safe for handling and proximity.

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Garden Uses & Culture

Culture: Symbolizes warmth, passion, and summer vitality in garden design.

Usage: Ornamental garden plant; long-lasting cut flower for floral arrangements.