Red Hot Poker (Kniphofia)

How to plant and care for Red Hot Poker (Kniphofia)

Kniphofia 'Royal Standard'

🌸 Flower 🔁 Perennial

Bold "pokers" of scarlet buds opening to yellow, from July to September — a favourite of bees and a hummingbird-like flash of colour.

When to plant and care for it

JanFebMarAprMayJunJulAugSepOctNovDec
Flowers

Timed for a typical UK garden (last frost mid-April). The app uses your own town's frost dates.

Growing Red Hot Poker (Kniphofia): what it needs

Light
Full sun · 6+ hours a day
Watering
Water well until established, then in dry spells
Soil
Well-drained soil
Spacing
60 cm
Height
1 m
In pots
Only in large containers
Feeding
A little general feed in spring
Hardiness
USDA zones 6–9

Step by step

  1. On planting day

    Plant

    Plant at the same depth as it was in its pot, 60 cm apart, and firm in.

  2. 0–1 days after “Plant”

    Water In Well

    Give a full can of water, then keep moist for the first few weeks while roots establish.

  3. 7–14 days after “Water In Well”

    Mulch Around the Base

    Spread 5 cm of compost or bark around the plant, keeping it off the stems.

Every year

  • April
    Spring Tidy

    Untie and pull away dead leaves.

  • July
    In Flower

    Pokers in full colour.

  • September
    Trim After Flowering

    Cut the spent flower spikes to the base.

  • November
    Tie Up the Leaves

    Tie the leaves loosely over the crown to keep winter rain out.

More flowers to grow

Photo: Bff / Wikimedia Commons (CC BY-SA 4.0)