Water and sunlight is a major cause of why Dill plants writers. The plant can slowly emerge or end up developing yellow leaves or fall in partial shade. After plantation, keep the soil uniformly moist to accelerate germination. If the seeds of the Dill Plant begin to develop in some dry soil, the plant becomes happy because it thrives better in that condition. Wet soil promotes the growth or fall of downy mildew which causes the wilting of Dill plants.