How long does wasabi take to grow?

Wasabi is ready to harvest in about 150 days, measured from planting.

When to Plant Wasabi

Plant wasabi by your frost dates, not the calendar: plant outdoors right around your last frost date. Pick your USDA zone below for exact dates.

Wasabi planting calendar

🌿

Direct sow

Apr 15

🌾

Projected first harvest

Sep 12

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a — approximate

Wasabi is ready to harvest in about 150 days. Dates above use zone 7 as a reference point. Pick your zone below, or set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

1 variety of wasabi in the HomeSown library. Tap any for its full grow guide.

Wasabi →

Common problems with wasabi

What to watch for, with identification and treatment for each

Four-Lined Plant Bug Common Stalk Borer Groundhogs Ants Aphids Armyworms Anthracnose Damping-Off Frost & Cold Injury Gray Mold Herbicide Injury Mosaic Virus

🌱 Grow wasabi with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

When to plant wasabi in your zone

Zone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →Zone 10 →