Yes, Fertilome F - Stop Lawn and Garden Fungicide Concentrate is labeled for red thread.
Yes, Ferti-lome F Stop Lawn and Garden Fungicide Concentrate can be applied in early morning or evening when temperatures are at their lowest for the day to prevent injury to turfgrass and plants giving the application time to completely dry before the heat of the day.
Per the product label of "Do not apply if temperatures are 90°F or higher as damage to plants may occur. Make applications to a dry leaf surface early in the morning or evening when winds are calm."
Ferti-lome F Stop Lawn and Garden Fungicide Concentrate is not labeled for killing nostoc algae. Nostoc thrives in areas with high phosphorus, compacted soils, and poorly draining areas. Bonide Moss Max RTS is an option. We recommend that you contact your local cooperative extension office for other alternative recommendations. Here is an article here that might help as well