Smart Object! a great feature

Adobe photoshop's smart objects really a smart thing. In this tutorial we use the smart objects for create a nice flower
Open photoshop 800x800 with white color. Pick the pen tool from pen menu and add three anchor points shown a in picture

Pick the convert point tool from pen tool menu and start creating petal

Now click on path tab in layer panel and the click on the icon load path as selection at the bottom pf panel

create a blank layer and fill with any color and just the direction as you want

Convert it into smart object Layer > smart objects > convert to smart object

Double click on smart object (layer) thumbnail to get the editing mode. here change the layer mode ' Multiply ' and fill a gradient. You can use any colors

Now click save File > save...or CRTL +S  and close the smart object editing window
here is the results

Make 9 or 10 copies  of this smart object layer by pressing CTRL + J and adjust the all layers in flower shape

make nested circle with circle marquee tool make you have to select ' Subtract from selection '

create a blank layer and fill it with color who nearly mach the center of flower no exact color.Now got to layer style ' Fx ' at the bottom of layer panel fill the patten ( patten overlay)  change blend  mode normal to color dodge

click Ok and change the layer mode normal to ' Multiply '

Here is Final Result