SproutSmart
SproutSmart Intelligent Garden Sowing

Tokyo Long White

Family: Amaryllidaceae Vegetable

Planting Schedule

Add Tokyo Long White to your garden to build a schedule and get reminders.

Crisp, green-tipped stalks rise with a clean, bright snap—Tokyo Long White delivers a mild-to-sharp bite that lingers pleasantly, never harsh.

At maturity, the long, slender white shanks are tender and juicy, with a fine, smooth texture that shines in fresh bunches and quick stir-ins. Grow it for its elegant, upright form and reliable 60-day performance, ideal for sauces, pickling, and roasting where its flavor turns sweet and savory.

Light: Full SunMaturity: 60 DaysHabit: Upright

Botanical illustration of Tokyo Long White

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsMar 28th
Last FrostApr 25th
Transplant / Sow OutdoorsApr 18th
Harvest BeginsJun 17th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity60
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)5

Culinary Notes


Chef's Note

Tokyo Long White gives you that elegant, tender white shank with a crisp, juicy snap—raw it reads bright and clean, cooked it turns sweet-savory instead of going onion-bitey. Use it where you want flavor lift and texture retention, not softness; it’s built for quick heat, vinegar, and high-surface cooking.

Best Uses

  • shaking up with quick sauté or stir-in, where it stays crisp-tender
  • thin-sliced raw for crunch in salads and herb-heavy toppings
  • short pickle or vinegar cure for sharp, snappy bite
  • roasting to coax the long white shanks into caramelized sweetness

Flavor Profile

mild-to-sharp allium bite crisp, juicy snap clean, bright finish sweet-savory shift with heat

Kitchen Pairings

soy sauce ginger garlic sesame oil rice vinegar miso

Frequently Asked Questions


How can I prevent and treat onion thrips or downy mildew on Allium fistulosum (Tokyo Long White scallions)?
Check leaves weekly for silvery streaking and distorted tips—those are common signs of onion thrips on scallions. Rinse plants with a strong jet of water early morning and use insecticidal soap, repeating every 5–7 days until new growth looks normal. If you see grayish-purple downy growth on leaf undersides or yellowing from the tips, improve airflow and avoid overhead watering; remove badly affected leaves and keep the bed evenly moist but not wet to slow downy mildew.
How often should I water Allium fistulosum during its main growing phase (about weeks 3–8)?
During active leaf growth, keep the soil consistently moist—aim for top 1–2 inches to stay damp without waterlogging. In typical home gardens this often means watering about 1–2 times per week, but increase frequency during hot, windy spells and reduce if the bed stays soggy. Mulch lightly to steady moisture, and water at the base to avoid prolonged leaf wetness that encourages mildew.
When are Tokyo Long White scallions (Allium fistulosum) ready to harvest?
Harvest when plants form long, firm green-white stems with a decent diameter for eating—typically around 55–65 days from sowing. You can start cutting outer leaves earlier for baby greens, but for the classic “long white” look harvest when the white portion is well developed and the leaves are still crisp (not excessively hollow or floppy). For best quality, harvest in the morning and stop cutting once leaves begin to thin or the plant shows signs of bolting.