The Esopus Spitzenburg is thought to have been one of Thomas Jefferson's favorite apples. It is also a tart apple that blooms in flowering group 4 and grows well in zones 4 though 6. A sweet apple that blooms in flowering group 4 is the Gala apple. Gala apple trees are consistent producers in zones 5 and above.
The Croatian interior which includes Zagreb and Slavonia is separated from the coast by the Dinaric mountains and has a completely different climate. In Zagreb, the average annual temperature is 12Â°C (53Â°F) with average highs of 2Â°C (35Â°F) in January and 27Â°C (80Â°F) in July. The central mountain regions of Lika and Krbava have warm summers and cold winters, with a milder climate in the valleys.
Average temperature in Croatia (Split) in January: 7.5Â°C, 46Â°F. Sea temperature in Croatia (Split) in January: 13Â°C, 55Â°F. Average rainfall in Croatia (Split) in January: 78mm, 3.1in. Note: It is very cold and snowy in the interior of Croatia during January, with the ski resorts doing brisk business.