SproutSmart
SproutSmart Intelligent Garden Sowing

Mizuna

Botanical illustration of Mizuna
🌱 35d to harvest Rosette

Tender mizuna arrives with a peppery, gently mustard-bright bite and a crisp, leafy snap that stays pleasantly lively in the bowl…

Planting Schedule

Add Mizuna to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 25th
Transplant / Sow OutdoorsMay 25th
Harvest BeginsJun 29th
Harvest EndsAug 29th

Crop Details

TraitValue
Days to Maturity35
Sun RequirementsFull SunFull sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)55
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)Not Required

Frequently Asked Questions


What pests commonly attack mizuna (Eruca vesicaria subsp. sativa) and how can I control them?
Mizuna is frequently targeted by flea beetles (small jumping holes in leaves) and cabbage loopers/diamondback moth caterpillars. Use floating row covers over seedlings and keep them on until you’re ready to harvest, then hand-pick any caterpillars you see. If damage starts, spray a targeted organic option like spinosad for caterpillars or use neem/BT per label directions to protect new growth.
How often should I water mizuna during the main growing phase, and what soil moisture level should I maintain?
During the ~35-day growing period, keep soil evenly moist so leaves develop fast and stay tender—typically watering when the top 1 inch of soil feels dry. Aim for consistent moisture without pooling, because waterlogged brassicas can develop weak growth and rot. In warm weather, mizuna often needs more frequent watering (still checking the 1-inch depth) to prevent bolting.
How do I know when mizuna is ready to harvest?
Harvest at about 30–35 days when leaves are large enough to eat—commonly around 4–6 inches long, with a good density of rosettes. Cut-and-come-again: harvest outer leaves first (leave the center growing point) to encourage a second flush. If you see flower stalks starting, harvest immediately for the best flavor before the leaves turn more bitter.
Botanical illustration of Mizuna

Tender mizuna arrives with a peppery, gently mustard-bright bite and a crisp, leafy snap that stays pleasantly lively in the bowl. The frilly, deeply cut leaves form an airy rosette that feels delicate yet resilient—ideal for quick harvests over a long cool-season window. Grow Mizuna for fresh salads and vibrant stir-ins, or let its lively flavor shine in quick sautés and savory greens blends.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors.

Expert Note

Sow or transplant mizuna for cool-weather growth (it’s happiest before and after frost, and can bolt in heat).