Insert beveled rectangle shape. Select it and Reflect vertically. Insert rectangle shape and place it on top of beveled rectangle. Select top rectangle and beveled rectangle and ALIGN HORIZONTAL CENTER. Select again and Unite.

Select Pen tool and draw shape but without bottom line. After you draw last node you can click Done and shape will be without bottom line.

Select old shape and Delete it.

Insert Circle and place it inside on top left side of flowerpot. Copy Circle and paste itinside on top right side. Select both Circle and flowerpot shape and Group.

Select both Circles and flowerpot shape and Copy → Paste. Select new copy of flowerpot and Reflect vertically. Move reflected new copy of flowerpot to existing flowerpot. BE CAREFUL both shapes must touching each other for cutting. 

Select Pen tool and draw line between flowerpot shapes. You can draw it overline.

Select new line and Move to another color layer and set this layer to Score.

Insert flower shape. Click on flower shape and change process type to Cut or Score. Double click on flower shape and delete all bottom parts. Select nodes from deleted bottom parts and move it down to do simple stem.

Copy flower and paste it. Rotate new flower shape. Select new flower and change stem size. Copy new flower shape a Paste it. Select new new flower shape and Reflect horizontally.

Insert text for the front of greeting card. 

You are Done :-)

Glue all three flowers inside flowerpot with a glue stick. For a ribbon I used velvet version.