My 3 year old asparagus crowns have been busily sending up spears over the last few weeks. However, a recent visit to the lottie revealed that most of the spears that have emerged (and which I was hoping of harvesting soon) have died. They are sort of dry and flattened, as if hollow and collapsed. They also look a bit chewed? The newly emerging spears all look fine, though. Have they been attacked by a pest or is it likely to be due to the cold spells we've had recently?
