Witch Hazel (Arnold Promise)

How to plant and care for Witch Hazel (Arnold Promise)

Hamamelis × intermedia 'Arnold Promise'

🌸 Flower 🔁 Perennial

Spidery, scented yellow flowers on bare branches in January and February, then glowing autumn colour. A slow, elegant shrub.

When to plant and care for it

JanFebMarAprMayJunJulAugSepOctNovDec
Flowers
Prune

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

Growing Witch Hazel (Arnold Promise): what it needs

Light
Part shade · 6+ hours a day
Watering
Water well for the first summer, then in dry spells
Soil
Acid to neutral, moist soil
Spacing
3 m
Height
3 m
In pots
Best in the ground
Feeding
Balanced feed in spring
Hardiness
USDA zones 5–8

Step by step

  1. On planting day

    Plant

    Plant at the same depth as it was in its pot, 3 m 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

  • January
    In Flower

    Scented spidery flowers on bare stems.

  • March
    Prune

    Only remove crossing branches and suckers from below the graft, after flowering.

  • October
    Autumn Colour

    Leaves turn yellow and orange.

More flowers to grow

Photo: Dominicus Johannes Bergsma / Wikimedia Commons (CC BY-SA 4.0)