Step 1:
Prefold any paper (green or brown on just one side) in parts of the same width. Cut along the prefolded lines.

Step 6:
Lift the edge upwards, see arrow

Step 5:
Each square is going to be a white flower

Step 2:
Tape/glue the strips together into one paper of 2 to 3 metres in length.

Step 4:
Fold around the prefolded lines

Step 3:
Make diagonal prefolded lines on spots where you want a flower

Step 10:
Lift these two edges upwards and fold over the purple line

Step 8:
Fold over this line

Step 9:
Press the edge downwards again.

Step 7:
Fold over this line

Step 16:
Repeat step 15 on the other three edges

Step 15:
Fold the edge downwards

Step 12:
The white square is for a flower

Step 11:
Fold over this line and press the edges downwards again

Step 14:
Press the edges inwards.

Step 13:
Prefold the white square over these four lines

Step 19:
Curl the petals downwards and fold/twist/crumple the green parts into a more realistic looking twig.

Step 20:
One flower is done....

Step 18:
Open the four petals

Step 17:
Fold the green side of the paper facing upwards on these places

Step 21:
Repeat the previous steps over the whole length of the paper

Step 22:
The twig with flowers is curved into a large circular wreath