Botanical gardens have been regarded as important sites for environmental education as well as for their high recreational value worldwide. Interpretation for visitors is the most common method employed in botanical gardens to deliver information to visitors. This study investigated the effects on participants' retention of the interpretation contents by including ”landscape narratives” into the procedure of the thematic interpretations. The results showed that including the landscape narratives of the thematic settings in an oral interpretation significantly improved elementary students' learning of the information they received. Their learning result was also consistently higher than the control group who did not experience the landscape narratives two months afterwards. However, whether or not including elements of landscape narratives did not show a significant influence on participants' retention of the interpretation contents over time. The results can be applied to the design of thematic areas in botanical gardens to improve visitors' comprehension in the future.