The recent appearance of brown splotches on your ten-year-old dragon tree is likely due to under-watering, salts in tap water, or dry air rather than rust infection. To improve the situation, check watering habits ensuring the soil dries out between waterings and use filtered water. Enhancing humidity, moving the plant away from heat sources, and pruning affected leaves are suggested. Maintaining a care routine with proper light and fertilization can prevent future issues, helping your dragon tree thrive once again.
Checking your watering routine is essential. Allow the top 5-8cm of soil to dry out before watering, preventing issues stemming from waterlogging.
Dragon trees are sensitive to salts and chemicals, which can cause brown splotches. Use filtered water or let tap water sit overnight to dissipate chemicals.
To enhance humidity, mist the plant, use a pebble tray, or utilize a humidifier, keeping it away from heat sources to prevent leaf damage.
Prune any severely affected leaves to focus energy on positively contributing growth, and keep the plant in bright, indirect light for optimal health.
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