Unlike its traditional garden centre products, which consist of 9cm and two-litre containerised plants, Howard Nurseries' bagged irises are aimed towards the point-of-sale (POS) and horticultural gift sectors.
The bagged irises, which are on sale between July and September, saw an 87 per cent increase in sales between 2013 and 2014.
The grower also showcased Cedric Morris irises at the RHS Chelsea Flower Show in May.
By selling the range of 10 peat-free irises in plastic packaging with a three-week shelf life, Howard Nurseries aims to turn bare-root rhizomes into an attractive POS product "ideal for holidaymakers and garden centre visitors who don't want to carry around a containerised plant peat-free and come with less plastic packaging than a containerised plant, reducing the product's overall carbon footprint by a considerable margin".
Director Christine Howard said: "They are a brilliant product unique to our business. We are excited to offer them again to our garden centre customers this year."
Varieties available are Braithwaite, Black Swan, Carnaby, Jane Phillips, Kent Pride, Lemon Ice, Langport Wren, Raspberry Blush, Stepping Out and White City.