Blackthorn's feathery, brushlike spikes give this sun-loving perennial a unique and charming look. The purple-red flower clusters sit atop thin, wiry stems that arch above the lacy, green leaves and give the appearance of caterpillars perched on the branches. When the breeze blows, the flower spikes sway in the wind. The long-lasting blooms keep their colour and add playfulness to indoor floral arrangements. This versatile plant is ideal for borders, prairie plantings and naturalized areas. For all its charm, this is a very easy perennial to grow and requires little maintenance. Blackthorn is drought tolerant, and deer, rabbits and insects tend to avoid it.