Kniphofia ummularia
perennial

Red Hot Poker

Kniphofia ummularia

The Story

Plant Bio

Kniphofia, commonly known as red hot poker or torch lily, features tall spikes of tubular flowers that are attractive to hummingbirds.

This species is noted for its unique yellow-orange flower coloration and drought resistance.

Uses & Benefits:

Ornamental UsesKniphofia provides striking vertical accents with vibrant flower spikes, attracting hummingbirds and pollinators, enhancing garden vitality.
Practical UsesIts drought tolerance makes it ideal for water-conserving landscapes.
Ecological BenefitsSupports local pollinators, especially hummingbirds and bees.

Essentials

At a Glance

Plant Type

Perennial

Height

36"

Width

24"

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Africa

Toxicity

Can cause mild stomach upset if ingested.

Bloom period

Mid-summer – Late summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds or divide clumps in early spring for best results.
  2. Plant rhizomes 2-3 inches deep in well-draining soil.
  3. Water regularly until established, then reduce watering during dormancy.
  4. Fertilize with a balanced fertilizer in spring and mid-summer.
  5. Mulch around plants to retain moisture and suppress weeds.
  6. Remove spent flower stalks to encourage new growth.

Pro Tip

Ensure good drainage to prevent rhizome rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

  • Water consistently during dry periods πŸ’§
  • Deadhead spent flowers to prolong blooming
  • Apply fertilizer in early spring and mid-summer
  • Mulch to conserve moisture and suppress weeds
  • Divide clumps every 3-4 years for vigorous growth

Don't

  • Avoid overwatering in winter ❌
  • Don’t plant in poorly drained soil
  • Never prune in late fall or winter
  • Avoid using high nitrogen fertilizers that promote foliage over blooms
  • Don’t ignore pest signs early

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tall, vibrant border plantDramatic focal point in perennial bedsWildflower meadow accent

Multiply

Propagation Methods

Good to Know

Common Questions