The final core gameplay mechanic of the garden: disease
Tutorial that helped me tremendously putting together the disintegration effect:
• UE4 Niagara Generate Particle at Diss...
Rock-paper-scissor:
disease gets planted and spreads
light can heal disease, but if fully diseased, fire is necessary
water puts out the fire
The original foliage disintegrates, leaving the land fallow for new planting