When to Plant Orach in Zone 4
In USDA zone 4, plant outdoors May 1 to June 10, and expect your first harvest around June 10. Zone 4 also has a fall planting window opening around August 9.
Orach planting calendar for USDA Zone 4
spring planting
Direct sow
May 1
Projected first harvest
Jun 10
fall planting
Direct sow
Aug 9
Projected first harvest
Sep 18
spring planting
fall planting
Orach is ready to harvest in about 40 days. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 4 means for orach
Average last spring frost
May 15
Average first fall frost
September 20
Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and orach need about 40 days to mature.
Varieties to grow
1 variety of orach in the HomeSown library. Tap any for its full grow guide.
Common problems with orach
What to watch for, with identification and treatment for each
🌱 Grow orach 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 →