The dataset contains images of maize plants and weed species. The dataset contains 36874 images in total and stored in three folders namely Dry Season, Wet Season and Annotated. The Dry Season contains 18187 images captured during dry season farm survey,the Wet Season contains 18187 images captured during wet season farm survey and the Annotated contains 500 annotated images selected from the Dry Season survey saved in JSON,XML and txt format. The annotated was achieved using the Labelmg suite. The raw wet and dry seasons images have been captured using a high-resolution digital camera during the weed survey, while the annotation of the annotated image was done using the Labelmg suite. A total of 18 farm locations were visited in North Central part of Nigeria for the data acquisition as part of an ongoing research effort on maize -weeds identification in farmlands.