0-12" x 12-15" wide. This outstanding perennial is one of the showiest hybrids of this genus. A durable plant with a low, compact mat of attractive 2" long leaves, it puts on a stunning display of deep purple-blue flower spikes. 'Royal Candles' is easily cultivated in average garden conditions in sun to part sun locations. A standout bloomer, it colors the garden from late spring into mid-summer. Deadhead the faded flower spikes to show off the plants dark green foliage for the rest of the growing season. 'Royal Candles' was selected as a chance garden hybrid in Kent, England that makes a wonderful small scale groundcover or edging plant along sidewalks and paths. Zones 3-8. 5" deep Premium pot.