nostr:npub1a0d9zantztgzurvs0w8mzw76zvuuanakh3crnuqyxwn5p2gdm5fs0q5n6h They'll be fine to grow up north, if you can grow other camellias, you'll be able to grow it. I ordered from the Plant Company. Shipping is horrible, but you maybe able to find it locally. 

https://www.theplantcompany.co.nz/shop/product/shrubs/camellia-sinensis