Can I plant Japanese flowering cherry tree seeds???

I don't think this plant comes from seed..

You can grow it from seed, and it'll be worth it in the end! It might take 5-10 years or even longer, but it'll all be worth it. Here are some helpful tips for growing from seed:
- Make sure you use fresh seeds
- Do some stratification
- Get a nice big pot
- Put it in a sunny spot
- Give it lots of TLC! Think humidity, temperature and watering