Evolvulus 'Blue Daze' (Evolvulus glomeratus 'Blue Daze'): Heat-Loving Ground Cover with True Blue Flowers

'Blue Daze' is a popular cultivar of evolvulus (Brazilian dwarf morning glory) prized for its profuse, true-blue flowers that bloom from spring to frost, and its silvery-green, fuzzy foliage. It thrives in heat and sun, making it a stellar choice for tough, dry sites.

Botanical Profile

• Family: Convolvulaceae (morning glory family)
• Genus: Evolvulus
• Species: glomeratus
• Cultivar: 'Blue Daze'

Features

Low, spreading subshrub, 6–12 inches tall, 2–3 feet wide. Leaves are oval, silvery-green, downy. Flowers are ½–1 inch, intense sky-blue with white centers, opening in morning and closing by afternoon. Blooms continuously in warm weather.

Culture

Full sun, well-drained soil. Excellent heat and drought tolerance. Hardy in USDA zones 8–11; grown as annual elsewhere. Minimal maintenance; shear back if leggy. Good drainage essential to prevent root rot.

Uses

Ground cover, border edging, rock garden, container, hanging basket, slopes. Combines beautifully with yellow, orange, or white flowers.