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The
Valley
of Roses
is one of the biggest producers of rose oil in the world. The soil and the climate in this region are quite
suitable for the roses. The conditions in Kazanlak proved to be
more favourable for the cultivation of the rose than those in its
own country of origin - Tunisia. This is specifically valid for
the rainfalls. The air humidity, cloudiness and precipitation in
May and June contributed to obtain roses yielding high percentage
of oil. |
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The
Rose
Valley
is not a geographical
name – it is just a notion, associated with the location where
the Bulgarian oil-bearing rose grows. The valley altitude is 710m at his highest point Klisoura.
The climate in the
Rose
Valley
is transitional
between moderately continental and transitional continental. The
rose plants usually start coming into leaf around March 10, when
the air temperature settles at over 5º C.
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| The rainfalls in the Rose
Valley
are heaviest in the spring, with a peak in June. Daily rainfalls
are not abundant, yet the rainy days are many. This kind of
weather prolongs the flowering period, suppresses oil evaporation,
at the same time increasing the yield of oil and its quality. The
mean monthly precipitation in May and June is usually between 80
and 100 litres per square meter. |
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The absence of intensive sunshine prevents undesired
liberation of the volatile aromatic ingredients from the flowers.
Every five to seven years there occurs a sudden warming during the
harvesting time, which hampers gathering, storing and
distillation. To avoid the adverse effect of the winds on the rose
bushes, they were always planted in hedge-rows.
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