Juglans regia - 'Dryanovo'
-Fruiting - Fruits form on the tips of branches and ripen to very large 14 - 18 g round nuts. The fat content is 67.4%.
-Disease Resistance - Very resistant to anthracnose, less susceptible to blight.
-Form - The tree is vigorous with dome shaped crown
-Hardiness - A hardy cultivar tolerating temperatures down to -24 ºC
-Flowering Period - Mid – Late
-Pollination Tree – Sheinovo/ Silistrenski/ Slivenski

Juglans regia - 'Izvor 10'
-Fruiting - The fruit forms on lateral buds and ripen around mid September. Excellenttasting oblong nuts with a thin shell. The nuts weigh around 10 g have a high fat content - 55.7%.
-Disease Resistance - Excellent resistance to Walnut anthracnose and Walnut blight
-Form - The tree forms a broad, relatively thin crown
-Hardiness - A very hardy cultivar tolerating temperatures down to -25 - 30 ºC
-Flowering Period – Late
-Pollination Tree – Sheinovo/ Silistrenski/ Slivenski

Juglans regia - 'Sheinovo'
-Fruiting - The fruit forms on the tips and ripen around mid September. Excellent tasting nuts that are easy to remove from the thin shell. The nuts weigh around 12 -13 g and have a high fat content - 71.4% .
-Disease Resistance - Good resistance to Walnut anthracnose and Walnut blight
-Form - The tree is vigorous with a wide spread crown
-Hardiness - A hardy cultivar tolerating temperatures down to -24 ºC
-Flowering Period - Mid – Late
-Pollination Tree - Dryanovo

Juglans regia - 'Perushtenski'
-Fruiting - The fruit form- rounded, smooth and soft shell, Excellent tasting nuts. The nuts are easy to remove from the shell; The nut weigh is around 10.4g, high fat content-72.5%,
-Disease Resistance - Good resistance to Walnut anthracnose and Walnut blight
-Form - the tree has a strong growth, the tree is vigorous with dome shaped crown
-Hardiness - a hardy cultivar tolerating temperatures down to -24 ºC
-Flowering Period – Late
-Pollination Tree - Dryanovo

Juglans regia - 'Silistrenski'
-Fruiting – medium sized elongated fruits, weight between 11 – 13g
-Disease Resistance – medium/good resistance to Walnut anthracnose and Walnut blight
-Form – comparably small but wide spread crown
-Hardiness - a hardy cultivar tolerating temperatures down to -24 ºC

-Flowering Period – Mid - Late
-Pollination Tree - Dryanovo