Position: Full sun
Flowering period: Summer to early autumn
Soil: Moist, well drained
Eventual Height: 90cm
Eventual Spread: 90cm
Hardiness: 7b, 8a, 8b, 9a, 9b, 10a
Prostanthera cuneata is a semi evergreen shrub with a bushy habit. Its fleshy dark green leaves are obovate with entire margins up to 5mm long and 3mm across. Its leaves are strongly aromatic when crushed. Its white flowers have purple/ red spots, up to 15mm long, are solitary and appear in clusters at the end of stems.
Prostanthera cuneata, commonly known as Alpine Mint Bush or Rough Mint Bush, is native to south east Australia. In its native habitat it grows alpine heath and shrub land.
The etymological root of the binomial name Prostanthera is derived from the Greek prostheke menaing ‘appendage’ and anthera menaing ‘anther’. Cuneata is from the Latin meaning ‘wedge shaped’.
The landscape architect may find Prostanthera cuneata useful as part of a low mixed shrub border and as an effective ground cover. It prefers a sheltered position. Once established this shrub is drought tollerant.
Ecologically, Prostanthera cuneata flowers are attractive to pollinating insects.
The Royal Horticultural Society have given Prostanthera cuneata their prestigious Award of Garden Merit in 1993.
Prostanthera cuneata prefers moist, fertile, well-drained soils. It tolerates most pH of soil.
Prostanthera cuneata requires little maintenance.