Tricolour St. John's Wort Hypericum x moseranum 'Tricolor' Description Blooms yellow flowers. Variegated green foliage with white and pink edging.Bloom Period: Late Spring into SummerGrowth Habit: Compact and rounded Mature Height: 1' to 2' (30 cm to 60 cm)Mature Spread: 1' to 2' (30 cm to 60 cm)Growth Rate: Slow More Details Sun Exposure: Full sun to partial shadeCold Hardiness Zone: 6Drought tolerantLong bloomingAttracts butterfliesDeer resistantGarden Tip: Apply thick mulch around base of plant to protect root system throughout the WinterLandscape Uses: Foundation planting, container and garden