Check the undersides of leaves. A sharp blast of water from the hose usually knocks them off. 7. Harvesting
Here is everything you need to know about growing mustard, from seed to harvest. 1. Timing and Climate growing mustard
Space seeds about 1 inch apart. Once they are a few inches tall, thin them to 6 inches apart for greens, or 12 inches apart if you want the plant to grow large for seed production. Check the undersides of leaves