Answer: This is a common quandary for gardeners. You may be able to arrange the plants so that larger perennials such as hemerocallis grow up to hide the ripening foliage, or you might use something like ceratostigma (hardy plumbago), which emerges quite late, to grow up and carpet the bed later in the season. Keep in mind that the bulbs and daylilies will need to be lifted and divided periodically, although not too often. The plumbago will creep and fill in and can withstand some disturbance during the bulb division procedure. You might also find that a seed sown patch of late blooming annuals such as cleome or tithonia or nicotiana is acceptable. These neighboring plants and any overplantings will, however, compete with the bulbs for nutrients.
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