On Mon, 12 Jul 2010 12:06:30 -0400, blake murphy
> wrote:

>On Sun, 11 Jul 2010 21:58:11 -0500, Sqwertz wrote:
>
>> On Sun, 11 Jul 2010 21:30:30 -0500, zxcvbob wrote:
>>
>>> Most store-bought jalapeños are mild. Not just slightly hot, but mild
>>> like a bell pepper. (I seek out the ones with cracks in the skins, they
>>> often have a little heat.) So I started buying serranos, but they are
>>> not really hot either now. Yesterday I bought a handful of little Thai
>>> peppers thinking at least they would be hot. Well, some of them are,
>>> barely.
>>>
>>> This is starting to **** me off.
>>
>> I think you have a problem with your hot-receptors. As far as I
>> know there is no mild serrano or thai bird - and no drastic
>> changes in growing conditions.
>>
>> I have not noticed any heat reduction in either of those peppers
>> and I use each of them almost weekly. I've heard this from
>> several people here (not the first for you), but I just think
>> you're taste buds are wearing out.
>
>i don't often buy fresh peppers, but i've not heard of 'mild' thai peppers,
>either.

It's very possible. Peppers are easy to hybridize... most every
pepper grown for market is a hybrid. Peppers also readily cross
pollinate, making mild peppers hot and hot peppers mild.