Commercially available

• Grandpa Dickson
• Irish Gold

33 favorite votes.  
Average rating: GOOD+.  

Medium yellow Hybrid Tea.
Registration name: Irish Gold

Bred by Patrick Dickson (1926-2012) (United Kingdom, before 1966).
Introduced by Unknown (Australia) in 1966 as 'Grandpa Dickson'.
Introduced in France by NIRP International in 1966 as 'Grandpa Dickson'.
Introduced in United States by Jackson & Perkins Co. in 1966 as 'Grandpa Dickson'.

Hybrid Tea.  

Yellow.  Moderate fragrance.  33 petals.  Average diameter 7".  Very large, full (26-40 petals), high-centered, quilled bloom form.  Blooms in flushes throughout the season.  Ovoid buds.  

Bushy, upright.  Glossy, dark green, leathery foliage.  

Height: 30" to 4' (75 to 120cm).  Width: 18" to 4' (45 to 120cm).

USDA zone 7b through 10b.  Disease susceptibility: disease resistant, susceptible to blackspot .  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).  

United States - Patent No: PP 2,769  on  19 Sep 1967   VIEW USPTO PATENT

Named for Alexander Dickson III who was born in 1893 and died 15 October 1975.



[Source: L'Haÿ-les-roses Label]