Environmental shifts have important impacts on the functional traits and bioactive products of medicinal crop Cornus officinalis

•Shifts of temperature and precipitation in March are critical for loganin content.•Environmental shift has opposite effects on fruit weight and ingredient contents.•Bioactive products have quicker response to environment than functional traits.•Different bioactive products are correlated and have similar response to environment.•Introduced regions with similar environment are beneficial for crop yield and product.