Troubleshooting
Allium schubertii problems — and how to fix them
Allium schubertii (Allium schubertii) 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.
Bulb rot from summer wet
More than most alliums, it rots in damp or poorly drained soil during its dormant summer rest. Grow in very gritty soil or pots and keep bone-dry after flowering.
Poor hardiness in cold, wet winters
Less reliably hardy than common alliums, it can be lost in cold, wet ground. In marginal climates lift and store the bulbs dry, or grow them in pots that can be sheltered.
Fading basal foliage
The broad low leaves yellow and slump as the flower opens. Position the plant so neighbours or mulch mask the declining foliage.
Allium leaf miner
Larvae mining the foliage cause distortion and open the door to rot. Cover emerging growth with fine insect mesh during adult flight periods where this pest is active.
Prevent allium schubertii problems before they start
Most allium schubertii issues are care-mismatch, not bad luck. Dial in the basics:
Looking for allium schubertii in general rather than its problems? Read the full allium schubertii care guide — light, water, soil and feeding.
Allium schubertii problems — FAQ
Why is my allium schubertii bulb rot from summer wet?
More than most alliums, it rots in damp or poorly drained soil during its dormant summer rest. Grow in very gritty soil or pots and keep bone-dry after flowering.
Why is my allium schubertii poor hardiness in cold, wet winters?
Less reliably hardy than common alliums, it can be lost in cold, wet ground. In marginal climates lift and store the bulbs dry, or grow them in pots that can be sheltered.
Why is my allium schubertii fading basal foliage?
The broad low leaves yellow and slump as the flower opens. Position the plant so neighbours or mulch mask the declining foliage.
Why is my allium schubertii allium leaf miner?
Larvae mining the foliage cause distortion and open the door to rot. Cover emerging growth with fine insect mesh during adult flight periods where this pest is active.