Ok I'll stop spraying the soil. The drying leaves have been occurring a while now (months). I only sprayed yesterday and the day before.
I forgot to add, the leaves are drying out and dying off from the top of the plant.
Yhank you both for your replies. The soil is potting soil from the bag. The soil does seem to hold moisture for a while, so I don't water it...
I started with 3 seeds. Two sprouted, 1 died. 1 is growing. I noticed little bugs in the soil. They have spread to the next plant (unknown...