Commercially available

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Pink blend Hybrid Tea.
Registration name: La Tosca (hybrid tea, Schwartz 1900)
Exhibition name: La Tosca

Bred by Marie-Louise (aka Widow,Vve) Schwartz (France, 1900).
Introduced in Australia by Taylor & Sangster in 1905 as 'La Tosca'.

Hybrid Tea.  

Lilac - pink, silver(y) shading, salmon-yellow shading, yellow undertones.  Moderate fragrance.  Large, semi-double to double, borne mostly solitary, in small clusters bloom form.  Blooms in flushes throughout the season.  

Tall, bushy, few or no prickles/thorns, upright.  

USDA zone 7b and warmer.  Hardy.  vigorous.  Disease susceptibility: 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) .  

Giacomo Puccini's opera Tosca premiered at the Teatro Costanzi in Rome on January 14, 1900.