The listing, 50 pcs kumquat seeds fruit bonsai high grade has ended.
kumquat
Your planters should allow water to drain out of the pot and not sit in the pot.
You can move the container tree outdoors in the summer once the danger of frost has passed.
If you are doing this for indoor fruit, you may wish to purchase a grafted container kumquat tree from a nursery instead. These will be better suited for fruit production.
Kumquat trees need humidity and heat to product fruit. If not supplied, your tree may flower but not produce fruit. If no flowers, the tree needs more sun.
Water-logged soil will slowly kill the kumquat tree! Keep well drained.
Dry soil will kill the kumquat tree. Keep well watered