Irish wildflower seed producers

Sixth-generation family-run business

Supporting Ireland's biodiversity, one garden at a time

Rudbeckia | Black Eyed Susan 'Prairie Glow'

Allied Irish Bulbs Bulbs 2 Roots Rudbeckia | Black Eyed Susan 'Prairie Glow'

Rudbeckia | Black Eyed Susan 'Prairie Glow'

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Late-Season Nectar and Autumn Structure

Rudbeckia ‘Prairie Glow’ is a warm-toned, late-flowering perennial selected for its high nectar value, long season of interest and strong support for pollinators as summer turns to autumn. From mid-summer into early autumn, it produces masses of daisy-like flowers in rich shades of bronze, red and gold, each with an open centre that is easy for insects to access.

At a time when many garden plants are beginning to fade, ‘Prairie Glow’ helps extend forage availability, supporting bees and butterflies well into the later part of the season. As flowers mature, the seed heads continue to add value, providing winter food for birds and structural interest in the garden.

Why We’ve Chosen Rudbeckia ‘Prairie Glow’

  • Late-Season Nectar Source – Flowers from mid-summer into autumn, supporting pollinators when resources are declining.

  • Open, Accessible Blooms – Daisy-like flowers allow easy access to nectar and pollen.

  • Long-Lasting Display – Produces large numbers of flowers over an extended period.

  • Low-Input & Resilient – Reliable, hardy and easy to grow once established.

  • Winter Wildlife Benefit – Seed heads provide food for birds if left standing.

Biodiversity-Led Growing Tips

Plant in well-drained soil in full sun for best flowering. Rudbeckia ‘Prairie Glow’ performs particularly well in mixed borders and naturalistic planting schemes. Avoid cutting back in autumn; leaving stems and seed heads standing provides winter interest and supports wildlife.

Cut plants back in early spring as new growth begins. Over time, plants will form generous clumps and return reliably year after year.

Did you know?
Late-flowering plants like Rudbeckia are increasingly important as pollinators remain active later in the year, helping gardens adapt to longer seasons.

Product Details

  • Pack Size: 2 roots

  • Flower Colour: Red, bronze and gold tones

  • Flowering Period: Mid-summer – early autumn

  • Mature Height: Approx. 60 – 80 cm

  • Planting Time: Spring or autumn

  • Position: Full sun

  • Soil: Well-drained

  • Spacing: 40 – 50 cm apart

Please note: Sap may cause skin irritation; wear gloves when handling. Do not ingest ornamental bulbs. May be harmful to pets and animals. 

With its extended flowering season and wildlife benefits that continue into winter, Rudbeckia ‘Prairie Glow’ is a valuable late-season workhorse for biodiversity-focused gardens.

Use a Dibber for planting bulbs.

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