The vote at the Ball Colegrave Annual Summer Showcase is by 3,500 growers, retailers, parks and landscapers and other visitors. The record number of visitors voted for their favourite from 1,300 catalogue varieties, 200 new varieties and 700 experimental products on display at Ball Colegrave near Banbury.
The new Dragon's Breath Celosia was voted as second favourite, with Petunia Amore Queen of Hearts third.
The public favoured Petunia NightSky, Celosia Dragon's Breath and Begonia F1 Majestic White Pink Picotee.
More than 2,000 blue flags were placed this year by trade visitors plus 600 on public days.
Favourite colour trend themes were 'Neon Lights', 'Brilliant Bling' and 'Strawberries & Cream', continuing the trend towards strong colours favoured by visitors.