I need help translating this

I was looking back at some penpal letters I recieved in high school from Japanese students. In one of the letters, on the back, this penpal drew a flower and wrote this:

努力の分だけ花が咲く

I know that he mentions a flower, blossoming?... But that's about it, lol.

Thanks for the help. =3

It says: "Doryoku no bun dake hana ga saku," and literally "Flowers bloom as much as you make efforts."
"hana ga saku" literally means "flowers bloom/blossom," and another meaning is that you "succeed, become successful." So it means "Efforts will be rewarded with commensurate success," or "Success comes to those who make efforts" :)

努力の分だけ花が咲く
- The more you endeavor, the more you succeed.
- The more efforts you make, the more flowers / fruits they bear.

努力 [doryoku] - effort.
花が咲く [hana ga saku] - flourish; succeed as a result of efforts.
: synonym 花実が咲く [hana-mi ga saku] - be honored; attain / bear good results.
花 [hana] - flower.
実 [mi] - fruit.

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