Onopordum algeriense

Germination Tips

A

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

2

Requires darkness.

5

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).