Rudbeckia Herbstonne Ground Cover
Rudbeckia Herbstonne (Black-eyed Susan) Rudbeckia Laciniata Herbstonne
A splendid giant for the back of your borders! Rudbeckia Herbstonne ground cover is a stunning clump-forming perennial. The grey-green, oval-shaped, toothed, slightly hairy leaves grow in Spring and are topped in late Summer on upright, large, branched stems with large, bright yellow, daisy-like flowers up to 12cm across with conical centres that are green to begin with and then fade to yellowish brown with age. It’s no surprise that with their lovely open, sunny faces, they are also attractive to bees and butterflies alike!
Perfect for bringing later colour to your garden, these robust plants will dazzle towards the back of mixed herbaceous borders planted in bold drifts, in wildflower or more ornamental planting schemes, and they also make a superb long-lasting cut flower. Rudbeckia Herbstonne (Black-eyed Susan) ground cover are one of the tallest varieties and may require staking for additional support (ideally place ring stakes before the flowers start to grow) and look wonderful paired with Ornamental Grasses, Helenium, Echinacea and other wildflower cottage garden varieties.
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For best results with Rudbeckia Herbstonne, plant them in full sun – they will tolerate partial shade but may produce less flowers), in fertile, moist, almost heavy, but well drained soil enriched with lots of organic matter, which holds plenty of moisture in Spring and Summer. Avoid letting them dry out. Simply dead head them to prolong the flowering period.
As a rough guide when planting Rudbeckia Herbstonne as ground cover – 4 plants per square metre is adequate with a little patience, 6 will give better coverage, and 9-12 will make a weed supressing carpet very quickly.
How to grow Rudbeckia Herbstonne
Position: Full sun, partial shade
Foliage: Annual, Perennial
Soil and site: Best in moist, fertile, well-drained soil
Flowering time: July to September
Growth rate: Moderate
Ultimate height and spread: Height to 200cm, spread to approximately 90cm
Hardiness: Hardy once established
Aftercare: Apply a generous mulch in spring or after planting out annuals and feed regularly through the growing season. Deadhead spent flowers to encourage more blooms. Divide overcrowded plants every few years.