Plants
Here are origami flowers with step by step pictures (These are ideas from the web with modification)
Tulip
Step 1: Start with your square piece of paper with the colour side facing down, fold it in half along the center diagonally to create a triangle shape.
Step 2: Fold the triangle in half and then unfold it to have a crease going through the triangle vertically.
Step 3: Now fold along the dash line as shown in the pictures.
Step 4: Fold the left side over the right and fold down a small portion of the top tip.
Step 5: Now fold the bottom tip for the next few steps which is to make the stem for the tulip.
Step 6: Get a new piece of square paper with the coloured face down, start with it square rotated into a diamond shape. fold it half and then back open.
Step 7: Fold the right side towards the center crease, then do the same for the left side.
Step 8: After folding the sides, fold the paper in half
Step 9: Now fold up and bring the bottom tip up, fold it approximately along the line shown in the picture.
Step 10: Now glue the stem underneath the Tulip flower and your DONE!