Linda from Whispering Pines, Nc writes
Ferti-lome Liquid Systemic Fungicide II is not labeled to control daylily leaf streak. Unfortunately, we do not currently have any products that are labeled specifically for this issue. This Extension article suggests that Daconil may be helpful on new growth. This article also includes important non-chemical control steps such as clearing dead plant debris before winter and avoiding overhead irrigation.
Answer last updated on: 06/26/2022