Step 1:
The rose paper is red on both sides. Prefold in half four times.

Step 6:
Fold the flap downwards.
Repeat steps 3 to 6 on the backside.
Then rotate the model, see arrow.

Step 5:
Press the edges downwards / flat.

Step 2:
Fold over the 2 lines at the bottom right, then over the 2 diagonal lines. And then over the 2 lines at the top left.

Step 4:
Fold the tip upwards.

Step 3:
Prefold over these two lines.

Step 10:
Fold the four edges inwards.

Step 8:
Repeat step 7 on the other three flaps.

Step 9:
Make the same two folds on the backside (=valley-folds)

Step 7:
Make zig zag folds over these lines.

Step 16:
Fold over these two lines.

Step 15:
Fold over these two lines.

Step 12:
Twist and press the bottom inwards.

Step 11:
Press the corners against the opposite edges, see arrows.

Step 14:
This is the leaf paper, I used sizes of about 3x3 to 4x4 inches.
Fold over these two lines.

Step 13:
The flower is done.....

Step 21:
Done.....

Step 19:
Fold the tip and the stem in half.

Step 20:
Press the edges inwards to make the leaf a little prickly.

Step 18:
Fold on the four corners.

Step 17:
Press the model flat.

Step 22:
Fold a long rectangle around a metal / florist wire.

Step 24:
Glue a flower into the top of the stem and glue 1 or 2 leafs to the stem.

Step 23:
Fold in half and curve the stem on several places, a bit irregular.

Picture: White and red Origami Roses.