Is it in a pot? if so, it may be potbound. Transplant it. Is it mulched? if so, clear that off and let it breathe. Is it dry? it may need water; nasturtiums like water—an inch per week. If the soil is too thick, heavy, or dense, add some soil to thin is. It may have a bacterial wilt. It could have come from the soil. They like good soil—soil that vegetables thrive in, as they are companions to vegetables in that they attract beneficial insects. We hope this helps. Reply
Is it in a pot? if so, it may be potbound. Transplant it.
Is it mulched? if so, clear that off and let it breathe.
Is it dry? it may need water; nasturtiums like water—an inch per week.
If the soil is too thick, heavy, or dense, add some soil to thin is.
It may have a bacterial wilt. It could have come from the soil.
They like good soil—soil that vegetables thrive in, as they are companions to vegetables in that they attract beneficial insects.
We hope this helps.