Question What can I grow in Zone 4? Answer You can grow many plants in Zone 4! Endless Summer® Hydrangeas and many Easy Elegance® Roses are hardy in Zone 4. If you’re looking for trees and shrubs, there are many Zone 4 hardy First Editions® Shrubs & Trees. Tags: Easy EleganceFirst EditionsEndless SummerPlantingZone 4 Related Questions I JUST RECEIVED AN ENDLESS SUMMER HYDRANGEA FOR MOTHER’S DAY. SHOULD WE PLANT IT RIGHT AWAY OR CAN WE PUT IT IN A POT? IF WE PUT IT IN A POT WHEN CAN WE PUT IT IN THE GROUND? ALSO, IN IOWA, HOW MUCH SHADE IS PARTIAL SHADE? Did cutting flowers last year in the fall to dry in vases cause my hydrangeas to not produce any flowers this year? If the flowers are drooping to the ground, should I prop them up with supports? WHY IS MY AMBER JUBILEE NINEBARK ALL GREEN?