How to prune 'glass gem' corn

No scheduled pruning; optional sucker removal in early summer if desired. If removing suckers, snap or cut them cleanly at the base of the main stalk while small. Leave ears on the plant until husks are dry and kernels fully hardened — typically late summer to autumn. No other intervention needed.

Rarely — sucker removal optional once if desired; otherwise none. 'Glass Gem' corn is an ornamental flour/popcorn type grown for its jewel-coloured dried ears. It needs no pruning in the conventional sense. As with other corn, sucker (tiller) removal is sometimes practised but evidence of benefit is unclear; most small-scale growers skip it. Leave ears on the stalk until fully dry before harvest.

If removing suckers, snap or cut them cleanly at the base of the main stalk while small. Leave ears on the plant until husks are dry and kernels fully hardened — typically late summer to autumn. No other intervention needed.