Calla Lily Flower Turning Green: Natural Aging, Not Fertilizer

Why Your Yellow Calla Lily Flower Is Greening

Calla lily (Zantedeschia) flowers naturally progress from vivid color to green as they age. Your 20-20-20 fertilizer application coincided with this transition but did not cause it.

What to Do

• Accept the color change—it's the flower's life cycle.
• Cut the flower stem at the base when it fades completely.
• Continue normal care for foliage and future blooms.

No treatment can restore the original color.