A spraying device for the production of artificial snow, provided with a support body comprising pressurized water supply means, pressurized air supply means, and a plurality of water spraying elements of the spraying nozzle type (5, 6), said support body comprises: - at least one water spraying element of the constant opening cross-section nozzle type, suitable for spraying only water, in order to produce water droplets capable of producing snow, supplied by said pressurized water supply means, and - at least one element for spraying a mixture of air and water, in the form of a nucleation element suitable for the formation of ice microbeads intended to promote the production of ice crystals by the associated water spray nozzles (5, 6) supplied by said pressurized water supply means and by said pressurized air supply means, characterized in that said support body still comprises: - a first control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said water spraying element of the constant opening cross-section nozzle type, - at least one water spraying element of the variable opening cross-section nozzle type, suitable for spraying only water, in order to produce water droplets capable of producing snow, supplied by said pressurized water supply means, and - a second control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said at least one water spraying element of the variable opening cross-section nozzle type, and - control means (10, 11) adapted to control differently the opening and closing of said first and second control valves (8, 9). - at least one water spraying element of the constant opening cross-section nozzle type, suitable for spraying only water, in order to produce water droplets capable of producing snow, supplied by said pressurized water supply means, and - at least one element for spraying a mixture of air and water, in the form of a nucleation element suitable for the formation of ice microbeads intended to promote the production of ice crystals by the associated water spray nozzles (5, 6) supplied by said pressurized water supply means and by said pressurized air supply means, characterized in that said support body still comprises: - a first control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said water spraying element of the constant opening cross-section nozzle type, - at least one water spraying element of the variable opening cross-section nozzle type, suitable for spraying only water, in order to produce water droplets capable of producing snow, supplied by said pressurized water supply means, and - a second control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said at least one water spraying element of the variable opening cross-section nozzle type, and - control means (10, 11) adapted to control differently the opening and closing of said first and second control valves (8, 9). - a first control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said water spraying element of the constant opening cross-section nozzle type, - at least one water spraying element of the variable opening cross-section nozzle type, suitable for spraying only water, in order to produce water droplets capable of producing snow, supplied by said pressurized water supply means, and - a second control valve, whose opening and closing can be controlled, for adjusting the pressurized water supply of said at least one water spraying element of the variable opening cross-section nozzle type, and - control means (10, 11) adapted to control differently the opening and closing of said first and second control valves (8, 9).