'CĪRAVA'
The cultivar was obtained by crossing ♀ Rh. yakushimanum ‘Koichiro Wada’ x ♂’Purple Splendour’. The crossing was carried out in 1974. The cultivar was selected in 1987, registered in 2016. Breeder Rihards Kondratovičs.
looms in late May, early June. A second flowering has been observed in September. The cultivar is characterized by a wide bushy, compact growth, dense branching. At 40 years, the bush is 2.20 m high and 4 m wide.
Good winter hardiness. The cultivar is suitable for cultivation in the central and western parts of Latvia.
'DACE'
The cultivar was created from 1962 open-pollinated seedlings of Smirnov's rhododendron (Rh. smirnowii Trautv.). The cultivar was selected in 1970, registered in 2001. Breeder Rihards Kondratovičs.
Blooms in the second half of May. Forms a symmetrical, dense, compact bush. Twenty-year-old plants reach 2 m in height and 2.2 m in width.
The cultivar has good winter hardiness. Suitable for cultivation in the central regions of Latvia and along the coast of the Baltic Sea and the Gulf of Riga.
'DAGNIJA'
The cultivar was created by crossing ♀’Sprīdītis’ x ♂’Erato’. The crossing was carried out in 2007. The cultivar was selected in 2014, registered in 2021. Breeder Gunita Riekstiņa.
Blooms in late May, early June. At the age of thirteen, the bush reaches a height of 1.3 m and a width of 1.3 m.
Recommended for cultivation in the central and western parts of Latvia.
At the suggestion of the Latvian University Foundation, named after the patron Dagnija Rūse as a token of gratitude for the contribution of Dagnija and Roberts Rūsis family to the support of Latvian University students and excellent projects.
'DĀVIDS HIERONĪMS GRINDELIS'
♀ R74-085/14 x ♂ ‘Miks’ 2005 cross, selected in 2013, registered in 2019. Breeder Gunita Riekstiņa.
Blooms in late May. Growth is wide bushy. At 13 years, the bush is 1.1 m high, 1.3 m wide.
Winter hardiness is very good. The cultivar is suitable for cultivation throughout Latvia.
'DIMASH QUDAIBERGEN'
The cultivar was created by crossing ♀’Sprīdītis’ x ♂’Erato’. The crossing was carried out in 2007. The cultivar was selected in 2014, registered in 2021. Breeder Gunita Riekstiņa.
Blooms in late May, first half of June. At the age of thirteen, the bush grows 1.3 m high and 1.5 m wide.
Recommended for cultivation in the central and western parts of Latvia.
Named after the popular Kazakh singer Dimash Kudaibergen at the suggestion of the fan club “Dimash Latvia Dears”.
'DOKTORS BABARIKINS'
The cultivar was created by crossing ♀ 'Scandinavia' x ♂ 'Mrs. R. G. Shaw'. The crossing was made in 1974. The cultivar was selected in 1983, registered in 2013. Breeder Rihards Kondratovičs.
Blooms in the first half of June. Rhododendron with a large, wide bushy growth. 25-year-old shrub 3 m high and 4 m wide.
Winter-hardy cultivar, suitable for cultivation throughout the territory of Latvia.
'DZEGUZĒNS'
The cultivar was selected in 2007 from the 1995 seed plants of the variety 'Babītes Kristīne'. Registered in 2017. Breeder Rihards Kondratovičs.
Blooms in the second half of May. The growth is wide-bush-like. In twenty years it reaches 1.4 m in height and 2.1 m in width.
Suitable for cultivation in the western and central parts of Latvia.
'DZIDRA'
The cultivar is a 1978 seedling of the Catawba rhododendron 'Catawbiense Grandiflorum'. Selected in 1998, approved in 2013. Breeder Rihards Kondratovičs.
Blooms in late May, very abundantly. Rhododendron with a wide bush-like growth. Twenty-year-old bushes 1.6 m high and 2.5 m wide.
The cultivar has good winter hardiness, therefore it is suitable for cultivation throughout Latvia.
'EDUARDS SMIĻĢIS'
The cultivar was obtained by crossing ♀ 'Catawbiense Grandiflorum' x ♂ 'Purple Splendour', a 1974 cross. The cultivar was selected in 1980, registered in 2001. Breeder Rihards Kondratovičs.
Blooms in late May, early June. The bush is wide-shrubby. Twenty-year-old bushes 2 m high and 3 m wide.
The cultivar has good winter hardiness. It is desirable to grow in places along the Baltic Sea and the Gulf of Riga, as well as in the central part of the country.