British Flowers Week 2014 has been promoting lisianthus and sweet williams in its first two days.
Florists Okishima & Simmonds have 'reinvented' lisianthus with new designs for the New Covent Garden Flower Market campaign.
Corporate florist Hybrid did something similar with sweet Williams on 17 June.
And florist Simon Lycett arranged dianthus on Wednesday.
Three further flowers and florists will be revealed before Friday 20 June.
New Covent Garden Market says 22 of its 30 wholesalers stock British as part of their range. This includes Pratley, Zest, SR Allen, Goodchilds, Dennis Edwards Flowers, Alaqar, GB Foliage, L Mills and Arnott and Mason.HW revealed in March issues with British-grown flowers being largely unavailable from many retail outlets.