Luzula 'Sylvatica' Dark leathery mounds of spikey evergreen foliage. Spreads to form a tight patch but is not invasive. Grows 12 to 16 inches tall with a 12 inch spread. Will grow well under trees. Combine with hosta, ferns, bergenia or epimedium. Does best in light to full shade in rich, well-drained acidic soil. Drought tolerant but looks better with some moisture. Greater Woodrush