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'Old Port' rose Description
'Old Port (Floribunda, McGredy 1985)' rose photo
Photo courtesy of pat
Commercially available
HMF Ratings:
56 favorite votes.  
Average rating: EXCELLENT-.  
Mauve or mauve blend Floribunda.
Registration name: MACkati
Exhibition name: Old Port
Bred by Samuel Darragh (1932-2019) McGredy IV (1985).
Introduced in New Zealand by Egmont Roses in 1991 as 'Old Port'.
Floribunda, Hybrid Tea.  
Mauve or purple blend.  Red and mauve. Burgundy-purple. Fading greyish..  Strong fragrance.  Very full (41+ petals), cluster-flowered, old-fashioned, quartered bloom form.  Blooms in flushes throughout the season.  
Bushy, few or no prickles/thorns, upright.  Matte, medium green foliage.  

Height: 2' to 37" (60 to 95cm).  Width: 20" (50cm).
USDA zone 6b and warmer.  Plant in partial shade for best color.  Disease susceptibility: very disease resistant.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  
Breeder's notes:
Old Port - Mackati. Nicknamed Kati.
New Zealand - Patent No: 679  on  22 May 1992
United States - Patent No: PP 10,698  on  24 Nov 1998   VIEW USPTO PATENT
Application No: 08/742,145  on  31 Oct 1996

A hybrid tea rose variety producing red purple flowers.
The present invention relates to a new and distinct hybrid tea rose variety which was originated by my crossing as seed parent the variety known as `Macsupple` and as pollen parent the variety known as `Big Purple.` The varietal denomination of this new rose is `Mackati.`

McGredy; Sam (Auckland, NZ)

DeVor Nurseries, Inc.

'Purple Splendour' has been mentioned in the parentage in a couple of references.