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Products > Plants - Browse By Region > Prostanthera phylicifolia
 
Prostanthera phylicifolia - Spiked Mint-bush

Note: This plant is not currently for sale. This is an archive page preserved for informational use.  
Image of Prostanthera phylicifolia
[2nd Image]
Habit and Cultural Information
Category: Shrub
Family: Lamiaceae (Labiatae) (Mints)
Origin: Australia (Australasia)
Evergreen: Yes
Flower Color: Purple
Bloomtime: Spring/Summer
Height: 4-6 feet
Width: 2-3 feet
Exposure: Sun or Shade
Irrigation (H2O Info): Medium Water Needs
Winter Hardiness: 15-20° F
Prostanthera phylicifolia (Spiked Mint-bush) - An erect robust evergreen shrub that grows to 5 to 6 feet tall by 3 feet wide. The narrow blunt dark green leaves have a rolled margin much like rosemary. Flowering occurs in late spring into summer with dark purple flowers borne in the leaf axils.

Plant in sun or part shade with regular watering. Very tolerant of heavy soils. We don't have long term experience with this plant through extremely cold years but think it probably hardy to at least 15-20° F given that it is marketed for colder climate gardens in Australia.

Prostanthera phylicifolia occurs naturally in coastal sand heath and subalpine areas from 2,000 to 3,000 feet elevation in New South Wales, Queensland and Victoria, Australia. The name for the genus comes from the Greek words 'prostheke' meaning "an appendix" and 'anthera' meaning an "anther" in reference to the appendage on the stamens and the specific epithet means foliage like that of plants in the genus Phylica in the Rhamnaceae family that has most of its species coming from South Africa. We first purchased stock of this interesting Mint Bush from Suncrest Nurseries and sold it from 2002 to 2008. 

This information about Prostanthera phylicifolia displayed is based on research conducted in our horticultural library and from reliable online resources. We also will relate observations made about it as it grows in our nursery gardens and other gardens we have visited, as well how the crops have performed in containers in our nursery field. We will also incorporate comments that we receive from others and we welcome hearing from anyone with additional information, particularly if they can share any cultural information that would aid others in growing it.