In attempting to achieve household food security for smallholder farmers, synergies and tradeoffs exist between cash cropping, food cropping and food security. Available evidence on the impact of cash cropping on food security shows mixed results. The objective of this paper was to assess the impact of export horticulture farming on food security of smallholder farmers in Kenya in two provinces in different agro-ecological zones with different resource and infrastructural endowments, crop growing and marketing conditions. »