Coronilla valentina subsp. glauca 'Citrina' (Scorpion Vetch)
- Usually Flowers : February, March, April
Small, rounded, compact, evergreen shrub with pinnate, blue-grey leaves. Fragrant, small, pea-like pale yellow flowers from February to April. Ht.1.5mt.(4ft.). Frost hardy. Best in full sun on light, well-drained soils, preferably against a wall. Requires shelter.
Coronilla valentina subsp. glauca 'Variegata'
- Usually Flowers : January, February, March, November, December
Compact, rounded, evergreen shrub with blue-green and cream variegated leaves. Fragrant, pea-like yellow flowers. November to March. Ht.1m.(3ft.). Grow in full sun and well-drained soil with shelter from cold winds. Good for coastal areas, borders, courtyards and containers.
Perovskia 'Blue Spire' (Russian Sage)
- Usually Flowers : August, September
Rosettes of deeply cut, greyish-white foliage with a sage aroma and large panicles of violet-blue flowers. August to september. Ht.1.2mt.(4ft.). Deciduous sub shrub. Grow in sun and well-drained soil. Cut back hard in spring. Good for mixed borders.