Rosie O alyssum day
Lobularia maritima 'Rosie O'
AAS Winner 1961
USDA zones5 to 9
SunHandles full sun to partial sun
WaterHandles dry to moist soil
- Growth rate
- Moderate
- Habit
- Dense
- Bloom season
- Spring, summer, autumn
- Soil types
- Sand, loam, clay
Garden uses
Attracts
Notes
'Rosie O' alyssum day (Lobularia maritima 'Rosie O') is an annual for borders, containers, cottage gardens, and rock gardens. It is hardy to USDA zone 5, or down to -20°F (-29°C). This plant likes full or part sun and dry to moist, sandy, loamy, or clay soil. It forms a dense, fragrant mound that is drought tolerant. Butterflies, bees, and birds visit it. Blooms appear in spring, summer, and autumn.
Pairs well with Johnny jump up, Little bluestem, Casa Blanca lily, and Red Charm peony.