Mibuna · Norfolk, Virginia, United States
When to plant mibuna in Norfolk
Main outdoor window
10 Feb - 10 Mar
The window this page is built around.
Timed from last spring frost
10 March
In Norfolk, on your chosen risk.
Ready to pick
1 May - 30 Nov
If you plant at the start of the window.
The average last frost. Half of all years are later than this.
Step by step in Norfolk
Each window is a range, not a single day. Earlier in the range buys you a longer season; later in it buys you a safer one.
Sow for overwintering
12 Sep - 3 Oct
Counting back 64 days from your first frost so the crop matures in time.
Sow direct
10 Feb - 10 Mar
Four weeks before your last frost.
Harvest
1 May - 30 Nov
Mibuna through the year
Against the frost risk in Norfolk
Why these dates
Sow alongside mizuna from four weeks before the last frost. It stands longer before bolting, so it suits the sowings that get left unpicked.
Hardy to roughly -8C. Frost tightens the flavour rather than damaging the leaf.
Seed packets and extension guides express timing as weeks either side of the last spring frost, because that is the only reference point that travels. Mibuna are timed for direct sowing 4 weeks before it, and this page simply resolves those offsets against the frost date computed for Norfolk.
The median frost-free season here is 272 days, against 40 to 50 days to maturity for this crop counted from sowing. That margin is what decides whether a late sowing is worth attempting.
Also in Norfolk
Other vegetables to time
Growing mibuna in Norfolk
When should I plant mibuna in Norfolk?
Aim for 10 Feb - 10 Mar in an average year. If you would rather not gamble on the weather, wait until 28 Feb - 28 Mar - by then frost has finished in nine years out of ten.
When will mibuna be ready to harvest in Norfolk?
Expect to start picking around 1 May - 30 Nov, based on 40 to 50 days to maturity from the planting date calculated for this location.
How much frost will mibuna tolerate?
Hardy to roughly -8C. Frost tightens the flavour rather than damaging the leaf.