Hello guys. I spring next year i would like to make a bog for some of my hardy sarracenia's. I have read a few posts about growers using planters without drainage holes and some posts with them. If it helps these are the plants to be planted.

Sarracenia alata x flava maxima
Sarracenia catesbaei
Sarracenia harperi
And maybe a couple of hardy sundews.

I think our summer heat is ok as it never seems to get as hot as what it does in the US and i don't think there is any concern for scorching. Putting a bog in the ground is out of the question because of our dog and bad dog habits our kids,(SAFTEY). Can you guys come up with any ideas for a planter and the drainage topic. Thanks