Q.Can I Plant Cherry Trees In Nigeria, West Africa? What Species Of Cherry Tree Will Grow In Our Tropical Region?
Are cherry seeds available for planting or only the nursery trees?

Certified GKH Gardening Expert
The Barbados Cherry may be the best for a hot climate. My best suggestion is to contact a local university or agricultural extension service in your area for additional advice.
https://hort.purdue.edu/newcrop/morton/barbados_cherry.html
You'll need to refer to the Internet to find seeds and/or trees, as we don't make retail recommendations, but provide gardening information only.