Yes, this is sourcing.
No, you may not talk about *insert vendor* no matter how big or legit they may or may not be.
We do not allow discussion of dried botanical materials, period. If you'd like to inquire about living plants or seeds we are moar than haapi to oblige your sustainable pursuits.
If you can websearch a vendor, you can websearch vendor reviews.
Thanks for asking though, as this is the most misunderstood part of the attitude, consistent reminders are always helpful.