that is totaly possible but...
do not cut to length now!
keep long and put white glue, or latex paint on the ends
let ends dry for a couple of days
then scrape the bark down to the reddish cambium layer while sap is down.
then stand upright in your hot water/furnace room for about 2 weeks...
then check and see if the ends are checking...if they are add more glue/paint.....then turn stave upside down for another 2 weeks.
then place in the back of an upstairs closet for about 2 months.
or if you realy cant wait..
roughly cut to shape,leave long,coat whole bow with watered down tb1,or elmers glue,and let it dry overnite.
then take rubber tiedown straps/or cut innertubes and wrap it up like it was the devil himself to a 2x4 and set in your hotwater/furnace room for 2 months.
if you want to induce a perry reflex you can build up the ends of the 2x4 before you wrap the bow to it.
i usualy can tell when a bow wood is workable by wood type and how i age it.
but normaly i can have a seasoned sappling bow in a couple of months maybe less depending on size.
if the wood you start to remove by way of file/rasp orsaw starts to "gum" up on teeth...it is too wet!
hope this helps.
jamie