Indoor growers warn April price jump will hinder sector’s competitiveness and drive up costs for consumers Indoor growers warn April price jump will hinder sector’s competitiveness and drive up costs for consumers O utside, it’s an overcast and blustery February day in Kent – hardly the ideal conditions for growing tomatoes, cucumbers and peppers. Yet inside the enormous glasshouses run by grower Thanet Earth, the climate has been optimised to a humid 20C, perfect for the regimented rows of