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18 favorite votes.  
Average rating: GOOD+.  

Deep yellow Hybrid Tea.
Registration name: Summer Sunshine
Exhibition name: Summer Sunshine

Bred by Herbert C. Swim (United States, 1962).
Introduced in United States by Armstrong Roses in 1962 as 'Summer Sunshine'.
Introduced in Australia by Better Roses (Australia) in 1963 as 'Summer Sunshine'.

Hybrid Tea.  

Deep yellow.  Flowers canary yellow.  Mild fragrance.  Average diameter 4.75".  Large, double (17-25 petals), borne mostly solitary, high-centered to cupped bloom form.  Blooms in flushes throughout the season.  

Upright, well-branched.  Semi-glossy, dark green, leathery foliage.  

Height: 3' to 4¼' (90 to 130cm).  

USDA zone 6b and warmer.  Vigorous.  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.  

United States - Patent No: PP 2,078  on  22 Aug 1961   VIEW USPTO PATENT
Application  on  24 Oct 1960