As the pineberries' seeds are useless, as this is the hybrid fruit, which can't give second generation, you must get the Pineberry Plants to get the desired fruit.
In Canada, there is no cultivator or seller of Pineberries Plant, but you can get them from the United States of America. The following sellers are selling the Pineberry Plants in USA. You can visit them or call them to get a price quote. The sellers in United States are:-
1. Burpee
2. CookâÂÂs Garden
3. The Strawberry Store

Here is a link that might be useful: Sale of Pineberry Seeds and Plants