Flowers white with no emergent style-tip; VIII-X; foliage green with yellow tips until the autumn; habit spreading.

Artificially created hybrid from Erica tetralix ‘Alba’ x Erica mackayana ‘Shining Light’ made in 2005 by J. Baron. The first white-blossomed clone of Praeger’s heath known.

Named after Bolster, a Dutch term for a bog containing “grey peat”.