<<Disclaimer: Verify this information before applying it to your situation.>>

Here is the note I received from Celestral Seasonings about the GF status of 
their Teas. 
Thank you for taking the time to send us an e-mail.

Persons that have reactions to gluten should avoid consuming any wheat,
barley, oats or rye.  In addition, some of our current
Celestial Seasonings' products contain roasted barley, roasted barley
malt, crystal malt, and caramel malt.  These ingredients
are always listed on the label.

Teas currently in production that have a gluten containing ingredient
include the following:

Almond Sunset
Canadian Vanilla Maple Decaf
Detox A.M.
Echinacea
English Toffee
Gingerbread Spice
Ginseng Energy
Roastaroma
Sugar Plum Spice
Vanilla Hazelnut

As we update our packaging all other products will be identified as
being gluten free.  If you have any questions, please call
us at 1-800-351-8175.

I also received a note from Twining Tea that all of their teas are GF. 

Hope this info is helpful to others. 

Helen

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