Hardy Geranium (Rozanne)

How to plant and care for Hardy Geranium (Rozanne)

Geranium 'Rozanne'

🌸 Flower 🔁 Perennial

The plant of the centenary: violet-blue, white-eyed flowers from June to November, rambling between other plants. Easy in sun or part shade.

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 Hardy Geranium (Rozanne): what it needs

Light
Part shade · 6+ hours a day
Watering
Water well until established, then in dry spells
Soil
Fertile, well-drained soil
Spacing
60 cm
Height
50 cm
In pots
Grows well in containers
Feeding
A little general 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, 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

  • July
    In Flower

    Violet-blue flowers for months.

  • July
    Midsummer Trim (Optional)

    If it sprawls, cut it back by half in midsummer; it regrows and flowers again in weeks.

  • November
    Cut Back

    Cut the old stems back to the central crown.

More flowers to grow

Photo: Dominicus Johannes Bergsma / Wikimedia Commons (CC BY-SA 3.0)