The children have been learning about two butterflies: the Brimstone, which is common, and the Duke of Burgundy, which is much rarer. Through discussion, they explored how the Duke of Burgundy depends on cowslip plants for survival, and how growing more cowslip can help support this threatened species. To put their learning into practice, the class worked together to plant cowslip seeds in the school grounds. Half of these seeds had been frozen beforehand to replicate the effect of a natural frost, giving them the best chance of germinating successfully. This hands-on activity helped the children see the link between their classroom learning and real-world conservation.