Northumberland Park in North Shields won £2.2m to open up historic views, manage woodland, recreate formal bedding displays and conserve historic features.
Isabella Plantation in Richmond Park received £1.4m to improve entrance gates and paths and fund two apprenticeships. Eastwood Park in Chesterfield scooped £1m.
Rouken Glen Park in East Renfrewshire received £2.1m for historic features including a walled garden and Dock Park, Dumfries, gained £1m.
Support totalling £1.3m was also awarded to Gunnersbury Park in Hounslow, Langtons Gardens in Havering and Memorial Park in Fleetwood to firm up bids.
Grosvenor & Hilbert Park, Cassiobury Park and Stornoway Castle Grounds won six-figure sums to develop bids.