Where does it grow?
United StatesCanada
Harvested in Oregon; occurs as far north as British Columbia.
When is it harvested?
Northern Hemisphere
October – February
- January : indicative season
- February : indicative season
- March
- April
- May
- June
- July
- August
- September
- October : indicative season
- November : indicative season
- December : indicative season
Seasonal guide for Oregon.
Indicative seasons vary by region. Check permitted harvest dates in the country concerned.
Naming it correctly.
Distinct from T. gibbosum.
What a lot record can proveSources and references
Entry checked on 11 October 2026. Listed origins do not rank production volumes.