Eriogonum allenii 'Little Rascal' thrives in full sun and dry sites with gray-green, paddle-shaped leaves and flat topped umbels of golden yellow flowers.

Eriogonum umbellatum 'Kannah Creek' has bright yellow umbels maturing to orange atop green foliage turning purple-red in winter.

Pink, white and green leaves make a great groundcover.

Persicaria affinis 'Border Jewel' is an attractive ground cover with multicoloured flower spikes and leaves turning brick red in fall.

Persicaria 'Blackfield' has wands of deep red flowers that last for months above bold mounds of lance-shaped, mid green foliage.

Persicaria 'Golden Arrow' has wands of red flowers that last for months above bold mounds of lance-shaped, golden foliage.

Wands of red flowers last for months above bold mounds of lance-shaped foliage.

Persicaria amplexicaulis 'Pink Elephant' is a compact mountain fleece with long blooming wands of pink flowers.

Persicaria bistorta 'Hohe Tatra' forms slowly spreading, semi-evergreen mounds topped with wands of densely-packed, glowing pink flowers.

Persicaria bistorta 'Superba' is a common bistort with spikes of soft pink flowers and semi-evergreen foliage.

Persicaria 'Purple Fantasy' has dramatic light green, lance-shaped leaves marked with a mint and maroon chevron on somewhat arching purple stems.

Persicaria 'Red Dragon' has dramatic purple and silver lance-shaped leaves marked with a mint chevron.

Persicaria polymorpha or giant fleece flower is a HUGE perennial for the back of the border with months of white flowers.

Silverlace vine (Polygonum aubertii) is a large, vigorous vine perfect for quick cover for walls and fences or for use as a ground cover.

Rheum alexandrae is a rare species of rhubarb from the mountains of China and Tibet with heart-shaped leaves and yellow flowers.

Rheum palmatum is an ornamental rhubarb with huge leaves, often flushed with red beneath.

Rheum rhabarbarum 'Canada Red' is a culinary rhubarb with short, tender stalks that are bright red, tender, very sweet and juicy.

Rheum rhabarbarum 'Glaskin's Perpetual' is a culinary rhubarb with short, tender stalks that are bright red, tender, very sweet and juicy.

Rheum rhabarbarum 'Holsteiner Blut' is a culinary rhubarb known for its great flavour and bright red stalks.

Rheum rhabarbarum 'Red Champagne' is an old variety of rhubarb with long red stems that are tasty sweet and an early producer.

Rheum 'Strawberry Red' is noted for its deep red, tasty, sweet stems with a mild flavour that hold their colour when cooked.

Ornamental rhubarb with large, spade-shaped foliage emerging red-flushed later with green tops and bold red undersides.