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'Chivalry ®' rose Description
'Rittertum' rose photo
Photo courtesy of Eva Trifon
Commercially available
HMF Ratings:
27 favorite votes.  
Average rating: GOOD.  
Red blend Hybrid Tea.
Registration name: MACpow
Exhibition name: Chivalry ®
Bred by Samuel Darragh McGredy IV (1976).
Introduced in New Zealand by McGredy Roses International (New Zealand) as 'Chivalry'.
Introduced in United Kingdom by Mattocks Roses / Notcutts in 1977 as 'Chivalry'.
Introduced in Canada by Springwood Roses in 1990 as 'Rittertum'.
Hybrid Tea.  
Red, yellow reverse. Thick stems.  None / no fragrance.  up to 35 petals.  Average diameter 4".  Large, borne mostly solitary, high-centered bloom form.  Blooms in flushes throughout the season.  
Tall, armed with thorns / prickles, spreading, upright.  Large, glossy, dark green foliage.  
Height of 47" to 6' 7" (120 to 200 cm).  
USDA zone 7b and warmer.  Can be used for cut flower or garden.  Hardy.  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.  Requires spring freeze protection (see glossary - Spring freeze protection) .  Can be grown in the ground or in a container (container requires winter protection).  
Breeder's notes:
Chivalry - Macpow. Nicknamed Power.
New Zealand - Patent No: 109  on  4 Nov 1980
Application No: ROS060  on  9 Jun 1978
PVR Terminated: November 4, 1991.
United States - Patent No: PP 4,281   VIEW USPTO PATENT
According to the New Zealand Plant Variety Rights (PVR) web page, application for a PVR Grant for this rose was made in 1978 and granted in 1980 (PVR Grant No. 109).
[Source: L'Haÿ-les-roses Label]