Blooms in early spring with large dark violet flowers. ‘May Night’ is a very compact grower, to only 18 inches tall. Excellent cut flower and hummingbird plant. Easy to grow in containers. It is extremely drought tolerant, however it will rebloom better with average garden water. Grow this with Achillea ‘Moonshine’, Foeniculum vulgare ‘Rubrum’ and Centranthus ruber ‘Pretty Betsy’.