Peppery leaves grow quickly. Mizuna is a leaf mustard type; harvest young before spring heat intensifies the bite.
EdibleCool-season crop
Growing spaceVegetable bedClimate fitUrban core · USDA 9b–10a · Valley suburbs · USDA 9a–9b · Desert outskirts · USDA 8b–9bCrop familyBrassicaceae (mustard)Life cycleAnnual cropPhoenix planting windowSeptember–February.How to plantDirect sow seed.Plant spacing6–12 in; closer for baby leavesFrostTolerates light frost once established; cover during a hard freeze.Time to harvestAbout 35–45 daysSuccessionSow every 2–3 weeks.Special categoriesEDIBLETypical harvestCut young leaves through the cool season.
Before you plant
These conditions determine whether it will thrive.
Cold hardinessCover in a hard freeze below 28°F
Light frost is fine, but leaves can burn in the upper 20s. Cover in a hard freeze.
Leaves and wood: damaged below 28°FHeat toleranceNeeds afternoon shade
Gets hotter and more bitter as it warms, then bolts quickly. Expect it to flower by late March or April in Phoenix. Last sowing is February.
