Troubleshooting
Sichuan Cycad problems — and how to fix them
Sichuan Cycad (Cycas szechuanensis) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Cold damage to emerging fronds
New croziers are frost-sensitive even though the mature plant has some cold tolerance. Protect emerging flushes from late frosts with horticultural fleece. Damaged fronds will not recover and should be cut back cleanly.
Scale insects
Cycad aulacaspis scale (Aulacaspis yasumatsui) and other armoured scales are serious pests. Treat with horticultural oil or systemic imidacloprid; monitor regularly as infestations can kill the plant if left unchecked.
Chlorosis from poor drainage
Yellow fronds with green midribs often indicate waterlogging or manganese deficiency on high-pH soils. Improve drainage, acidify if necessary, and apply chelated micronutrient supplements.
Prevent sichuan cycad problems before they start
Most sichuan cycad issues are care-mismatch, not bad luck. Dial in the basics:
Looking for sichuan cycad in general rather than its problems? Read the full sichuan cycad care guide — light, water, soil and feeding.
Sichuan Cycad problems — FAQ
Why is my sichuan cycad cold damage to emerging fronds?
New croziers are frost-sensitive even though the mature plant has some cold tolerance. Protect emerging flushes from late frosts with horticultural fleece. Damaged fronds will not recover and should be cut back cleanly.
Why is my sichuan cycad scale insects?
Cycad aulacaspis scale (Aulacaspis yasumatsui) and other armoured scales are serious pests. Treat with horticultural oil or systemic imidacloprid; monitor regularly as infestations can kill the plant if left unchecked.
Why is my sichuan cycad chlorosis from poor drainage?
Yellow fronds with green midribs often indicate waterlogging or manganese deficiency on high-pH soils. Improve drainage, acidify if necessary, and apply chelated micronutrient supplements.