Rose-Painted Calathea problems & how to fix them
Goeppertia roseopicta
Drooping, yellowing, brown tips, or a plant that just won’t thrive? Here are the most common Rose-Painted Calathea problems, what usually causes them, and how to turn things around.
Common problems
Crispy tips (low humidity)
The first complaint from tap water, salts, or dry air — edges brown and the display suffers. Brown, dry leaf tips caused by air that is too dry for the plant, common in heated or air-conditioned rooms. Existing crispy tips never turn green again, but with higher humidity new growth should come in clean within a few weeks.
Spider mites
Thin leaves plus dry indoor air is their favorite combination. Tiny sap-sucking mites that thrive in warm, dry air and leave fine webbing and speckled leaves. Caught early they are very treatable; most plants recover fully within 3-4 weeks of consistent treatment.
a two-spotted spider mite among its silk threads
Photo: Gilles San Martin · CC BY-SA 2.0 · Wikimedia Commons
Fungus gnats
Consistently damp soil breeds gnats; top-dress with grit or let the very surface dry. Small dark flies that breed in constantly moist potting soil; the adults are harmless but annoying, while larvae can nibble roots of seedlings and weak plants. Very treatable by drying out the soil; expect the flies to fade over 2-3 weeks.
an adult fungus gnat resting on a leaf
Photo: James K. Lindsey · CC BY-SA 3.0 · Wikimedia Commons
Cold damage
Below about 16 C the leaves droop, curl, and develop limp patches. Tissue injury from a cold draft, a chilly windowsill, or a night outdoors below the plant's tolerance. Damaged leaves will not heal, but if the stems and roots survived, new growth typically appears within three to four weeks in a warm, stable spot.
fig leaves killed by a frost
Photo: Famartin · CC BY-SA 4.0 · Wikimedia Commons
The mistakes that most often kill it
- Dry air below roughly 50 percent humidity for weeks on end.
- Cold, wet soil through winter.
- Full-strength fertilizer, which scorches the roots and edges the leaves in brown.
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