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before emergence
We highly recommend using with our Hoss Germination Thermostat to provide the best control of temperature
outpacing the growth of competing weeds
Plants should be hilled so that almost all of the plant is covered with soil
Garden Phos New Seeds for 2026 before emergenceGarden Phos is a systemic fungicide that controls a wide range of fungal problems in the vegetable garden. Made with salts of phosphoric acid, this product will effectively control powdery mildew, downy mildew, pythium, late blight, and more in common vegetable crops. Garden Phos is particularly useful to manage mildews in cucumbers, cantaloupes, summer squash, winter squash, watermelons, and pumpkins. For nightshades including tomatoes, peppers and