Did you visit The Green Pages?The Green PagesAre you passionate about gardening and horticulture? The Green Pages is made for you. You'll find thousands of pages of information on various subjects from indoor plants to lawn maintenance. Horticulture: the most popular questions All questions Do indoor plants have to be fertilized during the winter? How do we increase the humidity around indoor plants? Can indoor plants be repotted during the winter? When should seedlings be started indoors? Should frost-covered trees and shrubs be shaken?