Moths? Freeze them.

I was giving a lecture last night about the historical use of felt in fashion and was asked about how to care for felt. As felt is made of animal fibres, moths are potentially the worst problem and so I explained my environmentally-friendly, sure-fire method of moth prevention. I discovered how effective this method was in February 1994 when I was moving between two apartments in Toronto in the middle of the coldest winter in decades (even colder than this past winter.)

I usually make sure I keep new acquisitions out of the storage room until I am sure they are pest free, however, something I acquired (I think it was a Canadian Women’s Army uniform) slipped in under the radar and within a few weeks the collection was all ‘a flutter’. As I went through the racks it was interesting to note that the moths preferred soft wools like cashmere over hard spun woolen twills, and gravitated to fur instead of wool, and were drawn to light coloured fur over dark coloured fur. The worst infestations were in a rabbit and ermine fur coat from the 1920s and two white fox stoles. Those items were too riddled to save and were thrown out. However, the rest of the collection was largely spared but needed treatment.

I had heard of the freezer method and as I was moving in a few days and the weather was in the negative double digits, I used the cold to my advantage by putting the collection into the truck the night before our move.┬áThe quick freezing didn’t give time for the moths to acclimatize and effectively killed the worms and adult moths. After a thorough vacuuming and inspection a 1950s cashmere blend suit had to join the fox stoles and ermine coat, but everything else was fine.

I should have posted this blog during the last few months when there was still plenty of cold weather around, but when its not below freezing outside, I use the freezer compartment of the fridge, but do it twice to be sure (freeze for 24 hours, thaw for 12 and freeze for 12) and I swear by this method. I even use it as a part of the standard acquisition process for all furs entering the collection.