How to make a motif with flower for crochet blanket

So if your just joining us, this is the last part the flower square mandala project. In this section we intend to join the flower to the border. Before you begin, have all of your flower petal with leaves ready. Go ahead....

Schematic of Border before joinin :

Start by attaching your background yarn in a chain space corner with your square oriented. Work (SC, Chain 4, 3DC) all in corner. 
 4DC in next chain space, DC in SC, 4DC in next chain space, (3DC, Chain 3, 3DC) in corner, 3DC in all 3 chain spaces across to corner, make corner. Continue in this manner around. You will end up with 15 DC per side (this includes corner DCs).
Join with a slip stitch to the first chain of the round (above the beginning SC). SC in corner space, Chain 4, 3DC, create your 3DC granny-style clusters in between every set of 3 DC on each side.
At the end of the round, join in the first chain as before. (SC, Chain 5, SC) all in corner space (corner made), Chain 3, SC between 3DC groups – across to corner.
Continue around in this mannerworking (SC, Chain 5, SC) in all corners.