Citrinum st. andrew's-cross
Hypericum olympicum 'Citrinum'
RHS AGM 1993
USDA zones5 to 8
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
- Growth rate
- Slow
- Habit
- Dense
- Bloom season
- Summer
- Soil types
- Sand, loam, clay
Garden uses
Notes
'Citrinum' st. andrew's-cross (Hypericum olympicum 'Citrinum') is a shrub for borders 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 average to moist, sandy, loamy, or clay soil. It forms a dense, evergreen mound and grows slowly. Yellow flowers appear from early to late summer.
Pairs well with Heather, Balloon flower, and Japanese forest grass.