Brassica rapa japonica Open Pollinated

  • Asian vegetable, salad green
  • Mild mustard flavour
  • Good for baby leaf

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'Mibuna' seeds

Brassica rapa japonica

  • Asian vegetable, salad green
  • Mild mustard flavour
  • Good for baby leaf

Plants form dense clumps of fine white or pale green stalks with spoon shaped green leaves that have a mild mustard like flavour. Leaves are most commonly used as a salad green but are also excellent pickled or cooked in stir fries, soups and rice dishes. Fast growing. Cold tolerant. Good for microgreens.  Good for baby leaf production; ready in around 25 days.

Seeds per gram: 460
Product code: D3-12_P

Best Months to Sow
  J F M A M J J A S O N D
Quick Sowing Guide
Method Raise seedlings
Sowing Depth 5mm
Season Spring and autumn
Germination 4-10 days @ 18-24°C
Hardiness / Life Cycle Frost hardy Annual
Plant Spacing 20cm
Plant Height 35cm
Position Part or full sun, moist soil
Days Until Maturity 55 days (25 days for baby leaf)

*Notes: Cut leaves and stems at any stage of growth as required. Can be treated as a cut and come again plant or plant can be harvested whole when mature.

How To Grow



We deliver Australia wide.

All orders are dispatched from our warehouse in Knoxfield, Victoria, Australia.

We do not deliver overseas.

Shipping cost is calculated using all the items in your shopping cart and your delivery postcode. The table below outlines the delivery options and costs.

Order dispatch time is currently 2-4 business days plus delivery time.
Please note we are unable to guarantee specific delivery dates or delivery timeframes, all delivery times are estimates only.


Order contains: Delivery options: Delivery cost per order
Small seed packets ONLY - Economy Delivery $3.00 or FREE on orders over $25 $5
Parcel Delivery Capped rate of $8.99
Express Delivery $15.00

BULK seed, garden supplies, tools, or accessories -

Parcel Delivery

Capped rate of $8.99

Express Delivery

Starting from $15.00
(Calculated by weight)
Live Plants - Live plants Capped rate of $10.00

*All orders sent to Western Australia are subject to mandatory inspection and fees by Quarantine WA. These fees are included in all shipping costs above.

**We will replace all orders that are lost or damaged in transit however we will not replace or refund orders simply because they were delivered later than estimated. Full details here.


Ratings & Reviews


Very fast growing and long live plant. My plants have a base of around 30across and the top is about 80cm across 6months old. We Rob about a 1/3 of the outside of the bushes every few days and it just keeps producing more. Nice flavour.
ruth b 6 September 2021