Helichrysum petiolare. Window box plant. Click image to add to your lists and to get care advice.    Other names: Liquorice plant, Helichrysum petiolatum    Genus: Helichrysum    Species: H. petiolare - H. petiolare is a trailing, evergreen sub-shrub with oval, hairy, grey-green leaves and small, dull white flowers on erect stems in late summer and autumn. Potager Garden, Garden Plants, Garden Landscaping, Pot Plants, Window Box Plants, Window Boxes, Silver Plant, Gothic Garden, Plants