Abbotswood Potentilla Potentilla fruticosa ‘Abbottswood’ Height: 3 feet Spread: 3 feet Sunlight: partial shade to full sun Considered one of the best white-flowered varieties, this compact mounded shrub is smothered in snow-white flowers from June until frost and fine textured bluish-green foliage; hardy, tough and adaptable to all conditions, but dislikes wet soils.