Yellow leaves on flaming Katy: causes and fixes

How to tell

The yellowing comes with pale, stretched new growth leaning toward the nearest window. That combination shows that the spot is too dim for a flaming Katy.

The fix

Move it to a brighter spot, but keep it out of harsh midday sun, which scorches.

How to tell

The soil is bone dry, and the yellowing arrives alongside wrinkled leaves rather than soft, mushy growth.

The fix

If the soil is dry, water thoroughly (every 8 to 12 days in summer is the usual pace for a flaming Katy), then settle into feeling the soil before every watering rather than watering on a fixed day.

How to tell

Flaming Katy grows slowly and needs very little feeding, so a uniform pale-yellow fade after many months without any is possible, but check watering and light first: those are far more common on this plant.

The fix

Use a cactus and succulent fertilizer at half the strength on the label, about every 30 days while it’s actively growing. Overfeeding a slow grower like this does more harm than skipping it.

How to tell

An older, lower leaf slowly yellows or shrivels on its own while new growth looks plump and healthy. That’s normal turnover on a flaming Katy, not a symptom.

The fix

Nothing is wrong. Remove the spent leaf once it comes away easily and carry on.

How to tell

Silvery patches with tiny black dots point to thrips.

The fix

Rinse the plant, cut off the worst leaves and treat in rounds, as the thrips guide explains.

How to get rid of thrips →