Alocasia Dragon Scale problems & how to fix them
Alocasia baginda 'Dragon Scale'
Drooping, yellowing, brown tips, or a plant that just won’t thrive? Here are the most common Alocasia Dragon Scale problems, what usually causes them, and how to turn things around.
Common problems
Root rot
Dense potting soil holds water against the rhizome — use a chunky aroid mix or expect rot. A fungal or bacterial infection of the roots, almost always triggered by soil staying wet too long. Caught early, most plants recover within a few weeks after repotting; if most roots are already mushy, recovery is uncertain.
Phytophthora root rot on a dug-up root ball
Photo: Jerzy Opioła · CC BY-SA 4.0 · Wikimedia Commons
Spider mites
Low winter humidity brings mites; the textured leaf surface hides them well. 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
Fungal leaf spot
Water sitting on the stiff leaves in stagnant air can trigger dark spotting. A fungal infection that creates dark spots inside leaf tissue, often with yellow halos, and spreads through water splash on wet leaves. Existing spots will not heal, but with pruning and drier foliage the spread usually stops within two to three weeks.
Cercospora leaf spots with dark rims on a spinach leaf
Photo: Plant pests and diseases · CC0 · Wikimedia Commons
Cold damage
Chills below 16 C cause sudden yellowing and leaf loss. 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
- Potting in heavy, moisture-retentive soil.
- Letting it sit cold and wet through winter.
- Chasing dormancy leaf-drop with more water — that finishes off the rhizome.
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