Q.which perennials to fertilize in spring
I have a list from a website of perennials that are not supposed to be fertilized, including asclepius, dianthus, echinacea, and others. I’m skeptical. Don’t these plants need some kind of feeding at least once in a while?

Downtoearthdigs
Answered on April 9, 2019
An application of an all purpose fertilizer can be applied in early spring.
This link will help you.
https://www.canr.msu.edu/news/fertilizing_established_perennial_gardens_feed_em_and_weep
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