For most Mississippi gardens, The Best Asian Greens are the sturdy, fast, cool-season types: mizuna, tatsoi, mustard greens, bok choy and komatsuna. Grow them in fall, winter and early spring. Summer belongs to heat-lovers like amaranth. Which types win depends on timing, since the frost windows below frame two separate growing lanes.
The short answer for Mississippi
Think in lanes rather than a single list. The reference-city figures (from the Jackson airport station) put the last spring frost between March 6 and March 22 and the first fall frost between November 7 and November 22. Those are probabilities, not promises: they mark the span where the odds of a 32°F freeze sit between 30 and 70 percent, based on NOAA’s 1991-2020 Climate Normals. Suburban and rural gardens usually freeze later in spring and earlier in fall than an airport does, often by one to two weeks, and more at elevation.
The coldest month averages a daily low of 36.6°F at the Jackson reference station. That is the average low, not the record low, but it shows that winter here rarely shuts a garden down for long. Heat, not cold, is what ends the Asian greens season. So the strongest picks are types that finish before summer arrives, or that start as it fades.
| Type | Examples | Best lane | What it does well here |
|---|---|---|---|
| Fast leafy mustards | Mizuna, komatsuna, mustard greens | Fall through early spring | Quick to harvest, tolerant of cool snaps, forgiving of uneven weather |
| Rosette greens | Tatsoi, baby bok choy | Fall and early spring | Compact, cut young before bolting becomes a risk |
| Full-size heading types | Mature bok choy, choy sum, napa cabbage | Fall, started in time to finish before hard freezes | Need a long, cool run; fall suits them better than spring |
| Heat-lovers | Amaranth (yin choy), water spinach | Summer | Thrive when the cool-season greens have bolted |
If you plant only one lane, make it fall. Seedlings sown as summer fades face falling temperatures instead of rising ones, which is the opposite of what spring offers. Exact sowing dates are on the companion page, When to Sow Asian Greens in Mississippi, and the broader overview lives at Growing Asian Greens in Mississippi.
Water spinach deserves a caveat. It is restricted in parts of the country as a noxious weed, so check with your extension office before ordering seed. Amaranth is the easier summer green.
What will not work here
Napa cabbage sown in spring is the classic letdown. It wants a long cool stretch to form a tight head, and a Mississippi spring that opens around the March frost window turns hot before the head fills. You get a tall, flowering stalk instead of a heavy cabbage. Fall is the only sensible lane for it.
Bok choy and tatsoi sown into summer fare no better. Heat triggers bolting, and flea beetles riddle the leaves with tiny holes. The seed packet may say it grows in “any season,” but in this climate that claim only holds in the cool half of the year.
Dense planting is the second trap, and humidity is the reason. Mississippi gardens spend long stretches warm and wet, and tight stands of baby greens stay damp at the base, which is where rot and downy mildew begin. A bed sown thick enough to look like a salad bar in the first week can be a slimy mess by the third. Spacing that would be fine in a dry Western state invites disease here. Thin early, leave air between plants, and water the soil rather than the leaves.
Third on the list is heavy rain on poorly drained ground. Standing water suffocates roots and splashes soil-borne disease onto the lower leaves. Raised beds or a slight mound solve most of this, and they warm faster in early spring too.
Last, a late fall start. The frost window of November 7 to November 22 sounds distant in September, but slow heading types sown too late will be small when it arrives. Cold itself is not the villain, since mizuna, mustard greens and tatsoi shrug off a light freeze. The problem is slow growth as days shorten, which leaves a late sowing with little to harvest by midwinter. If you are late, switch to the fast leafy types in the table above.
One more thing that fails: assuming Jackson’s numbers describe your yard. They describe an airport.
What changes across Mississippi
Mississippi is not one garden. The USDA Plant Hardiness Zone Map (2023 edition, built on 1991-2020 data) places the state in zones 7b to 9a, which takes in 8a and 8b between them. That spread is built on a single variable, the average annual extreme minimum temperature. So there is no single answer for the state, and any one set of dates will be a little wrong for someone.
The cooler end of the range sits toward the north of the state and at higher ground. There, spring frost lingers and fall frost arrives sooner, so the fall lane starts earlier and closes sooner, and tender seedlings need protection (a row cover is enough) into the spring window. If you garden in the north or on a hill, shift your plans toward the early end for fall sowing and the late end for spring sowing, relative to the Jackson dates above.
The warmer end runs toward the Gulf Coast and the southern counties, where winters are gentler and the cool-season greens often keep producing deep into winter. The trade-off is a hotter, longer summer, so the spring window closes earlier relative to the calendar and heat-lovers like amaranth carry more of the summer load. This page has no station data for the coast or the north, so it will not put frost dates on them. It only tells you which way to lean.
To find your own zone, look up your location on the USDA Plant Hardiness Zone Map rather than guessing from a neighbor or a plant tag. Zones tell you about winter survival, which matters less for annual greens than frost dates do, but they are a quick check on how far your yard sits from the Jackson reference.
Where to check this for your own county
The best source for local detail is Mississippi State University Extension, the state’s land-grant extension service. Each county has an office with agents who know the soils, the pests and the local weather patterns. A county recommendation beats a state one every time, and this page is the state one.
Look for three things when you get there:
- A vegetable planting guide or calendar that lists cool-season crops, with sowing windows for your part of the state.
- Any variety trials or recommended lists for leafy brassicas, since cultivars that perform well in one county can bolt early in another.
- Notes on local pests and diseases, especially flea beetles and mildew, and what the agents suggest for them.
This page does not have a Mississippi-specific planting calendar for Asian greens from the extension service, so it will not pretend to. The extension calendars in my reference set cover lawn grasses and come from another state, which makes them useless here. A phone call to the county office or a visit to the Master Gardener volunteers may turn up local knowledge that no website has.
Checking this against your own garden
Your own observations outrank every date on this page. Three are worth tracking, and none needs equipment.
First, soil warmth by feel. In early spring, dig a few inches down and hold a handful. Cold, sticky soil that clumps and stays wet will rot seed, while soil that crumbles and feels neutral against your skin is ready. Do this in different spots. A bed against a south-facing wall will warm days before one in shade, and that gap is your microclimate.
Second, the first flush of male flowers on trees. When oak catkins loosen and pine pollen starts yellowing your car, your local spring has turned. Note the date each year. It tracks your area’s real warming more faithfully than a calendar average, and after a season or two it becomes your personal marker for the end of the cool-season lane.
Third, the first true leaves on a test sowing. Seedlings first show rounded seed leaves, then the true leaves that look like the mature plant. If a small trial row of mizuna or tatsoi gets there quickly and stays compact, conditions suit you. If the seedlings stretch thin and pale, the spot is too shady or too warm. Rows that stall point to cold, wet soil.
Common questions
What is the easiest Asian green for a first Mississippi garden?
Mizuna and mustard greens are forgiving. They grow fast, handle light freezes, and tolerate uneven weather better than heading types. Sow them in fall for the best results.
Can I grow bok choy in spring?
Yes, but treat it as a short sprint. Sow early, harvest while plants are small, and expect bolting once heat arrives. Baby bok choy handles this better than full-size heads.
Which Asian green handles Mississippi summer?
Amaranth, sometimes sold as yin choy or Chinese spinach, is the dependable summer pick. Water spinach also loves heat, but check its legal status with extension first.
Do I need row cover or a cold frame?
Often not. With a mean daily minimum of 36.6°F in the coldest month at the Jackson reference station, the hardy types usually keep going without them. Gardens in the north or at higher elevation should keep a light row cover handy for hard freezes, and everyone should have one ready for the fall frost window.