There are no disease problems. 2
Try to plant in a location that enjoys partial sun and remember to water moderately. Matangi ® is generally regarded as a hardy plant, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea). Matangi ® needs a loamy soil with a ph of 5.5 to 7.0 (weakly acidic soil to neutral soil).As a hybrid variety, this plant will not reliably grow true to type from seed.
According to the New Zealand Plant Variety Rights (PVR) web page, application for a PVR Grant for this rose was made August 8, 1975 and granted November 5, 1976 (PVR Grant No. 1). This PVR Grant expired November 5, 1999. 1
Registration name: MACman
This was the first rose (indeed the first plant) to be given a grant under the New Zealand Plant Variety Rights Act (PVR 1). The grant expired in 1999. 1
2 ’Botanica’s Roses"