When to plant Rudbeckia in Cardiff

Rudbeckia spp.

Rudbeckia
Rudbeckia · Rudbeckia spp.

Hardy border perennial grown for bold yellow and orange daisy flowers. In the UK it flowers well in a sunny, free-draining spot and makes a good cut flower if you keep deadheading through the season.

75 cm · Full Sun · Moderate Water

Calibrated to Cardiff · average last frost around 22 Apr

Plant out March to May. Typical frost risk October to April.
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Growing guide

What to do through the growing season

  1. 01

    Plant Out

    23 Mar to 6 May

    Plant young plants around 23rd March - 6th May in a sunny, free-draining spot. Set them at the same depth they were in the pot, space them apart, and water in thoroughly straight after planting.

  2. 02

    Water Until Established

    23 Mar to 3 Jun Dates as each sowing reaches this stage

    Keep the soil evenly moist from 23rd March through 3rd June while the roots settle. Water at the base in dry spells, especially in containers, but avoid leaving the compost sodden.

  3. 03

    Deadhead Flowers

    6 Jun to 28 Oct

    Start deadheading from 6th June and keep going until 28th October. Remove faded blooms back to a side shoot or leaf joint to keep the plant flowering for longer.

  4. 04

    Cut Back Stems

    28 Oct to 27 Nov

    After flowering finishes, cut back tired stems from 28th October to 27th November. Leave the crown intact and trim to tidy growth rather than cutting hard into the base.

Suggested varieties

Popular varieties of Rudbeckia to consider

Goldsturm

Compact, well-known perennial with rich golden yellow flowers and a long flowering season.

Prairie Sun

Large yellow flowers with a green centre, good for cutting and late colour.

Cherry Brandy

Deep red to burgundy flowers on sturdy stems, often grown as a short-lived perennial or annual in the UK.

Rudbeckia guides by town

See how Rudbeckia timing shifts in other towns with different frost dates.