My kumquat tree has produced orange. It is now producing green fruits looking like a lime and when I cut into it, it looks like there are some seeds in it. Can you help me with this please? Mariana
Certified GKH Gardening Expert
Either your fruit is not ripe or your tree has reverted to root stock.
Citrus Trees are often grafted unto the root stock of another citrus cultivator.
Here are some articles to help you.