Onopordum acanthium

Germination Tips


Sow @ 20°C. Seed germinates within 3 months.


Germination is successful only when GA3 is used. See http://botanicallyinclined.org/fridays-seeds-with-the-ga3-seeds-treatment


This species needs special care as described.
Special Care: 
squeeze seeds to determine which are viable, 15% germination rate
Most of the seeds in our Germination Guide have been offered from time to time in our annual Seed Exchange (Seedex).