Agapanthus Before Flowering. The common reasons for Agapanthus to fail to flower are too much shade cold weather or lack of winter protection. Part-shade to full sun will be tolerated by agapanthus.
Be sure the soil drains well or the plant may rot. Its worth a try. Department of Agriculture plant.
According to the RHS the agapanthus gall midge is a tiny fly that lays eggs on developing flower buds.
Agapanthus look great when planted with drifts of ornamental grasses sun-loving rudbeckias and goldenrod Solidago. The best time to lift and divide agapanthus is late March after they have finished flowering. Agapanthus Deadheading Deadheading agapanthus and other perennial flowers involves removing the faded flowers before they form seeds which offers several aesthetic and practical benefits. Peter Pan This dwarf evergreen agapanthus produces pale blue flowers throughout the summer.