How Soon Can Mustard Green Seeds Be Planted

Question From: B. Nantambu - MICHIGAN
Q: how soon can I plant mustard green seeds in my pots outside?

A: Sow mustard seeds 1/4 to 1/2 inch deep in the prepared soil, six to eight inches apart. As long as the soil temperature is at least 40 degrees Fahrenheit, mustard seeds will germinate.
(source: https://homeguides.sfgate.com/plant-mustard-greens-seeds-57744.html)

Best And Happy Yardening, Nancy.