Garden Scheme

Plant library  ·  Vegetables

Mizuna

Brassica rapa var. nipposinica

Mizuna is a fast-growing, feathery mustard green that earns a compact place in cool-season vegetable beds. Its roughly 1-foot height and width make it easy to tuck into a front or middle bed position without blocking lower crops or path views. Use it where frequent picking is convenient: the quick 40-day run to maturity and spring-to-fall harvest window make it a productive short-term occupant rather than a season-long anchor.

Sunlight Full Sun
Water Regular
USDA zones 3–11
Spacing 0.75 ft
Mature size 1 ft tall, 1 ft wide
Harvest Spring and fall

Placement and use

Set mizuna in a dedicated greens strip, a small block near the edge of a raised bed, or a container positioned close to the kitchen. Keep its planting area within easy reach from a path so individual leaves can be gathered repeatedly without stepping into the bed. Its finely divided foliage gives a softer texture beside broader-leaved vegetables, while its low, rounded habit leaves taller crop rows and supports visually open.

Spacing and mature footprint

Plant mizuna 9 inches apart, center to center, to form a close, harvestable patch while preserving a little room between plants for airflow and hand access. Although each plant can reach about 1 foot wide, the tighter spacing suits a leafy crop that will be harvested often. In a rectangular bed, arrange short rows perpendicular to the path so the center of the planting can be reached from both sides.

Three plants set 0.75 ft apart, center to center; shaded circles show the 1 ft mature spread.

Sun, water, and soil

Give mizuna full sun and regular water, reserving a bed where irrigation can be applied evenly across the whole planting. Avoid placing it at the dry outer edge of a large bed or beneath the root zone of established woody plants, where keeping moisture consistent is harder. A compact greens section near a hose, drip line, or watering route makes its routine care simpler.

Seasonal notes

Plan mizuna chiefly for spring and fall, when cool conditions support leafy growth. Make room for repeat sowings instead of committing the entire bed at once; this keeps a new patch coming into harvest as an earlier one is cut back. As warm, long days arrive, clear the space for a later crop if the planting begins to flower or leaf quality declines.[1][2][3]

Growing facts

Botanical name
Brassica rapa var. nipposinica
Type
Vegetable
Category
Vegetables
Lifecycle
annual
USDA hardiness zones
3–11
Sunlight
Full Sun
Water
Regular
Plant spacing
0.75 ft
Mature size
1 ft tall, 1 ft wide
Days to maturity
40
Harvest season
Spring and fall
Pollinator friendly
No
Deer resistant
No
Native to North America
No

References

  1. How to grow mizuna and mibuna — Royal Horticultural Society
  2. Growing cool-season crops — University of Minnesota Extension
  3. Brassica rapa (Asian Greens Group) — Missouri Botanical Garden

Editorial content updated 2026-07-20.