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Education > Moss Picks > 2008 Awards > Peruvian Daffodil

Best Summer Bulb: Ismene x festalis

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ismene stalks

Above: Ismene Scapes and Buds

Peruvian daffodils are large plants. The small, young bulbs bought in spring are misleading. After a few years mature bulbs are nearly softball sized and produce many offsets. They like to be crowded. The 3-4' long leaves of three large bulbs and their offsets completely overwhelmed Gerbera daisies and amaryllis in their shared container.

Peruvian daffodils (Ismene) differ from their close relatives spider lilies (Hymenocallis) in two obvious ways. The flowers have a cup, like true daffodils, and the leaves emerge together in a papery sheath only separating about 8" up.

They beat out Altai lily, star-of-Bethlehem, and fall crocus because they bloomed most of the summer. New scapes were sent up every week. Typically 3 flowers are bundled in the amaryllid "purse" but some had as many as six. Unfortunately, none produced viable seed, probably because we don't have the right pollinators (moths?, hummingbirds?) in Chicago.

The flowers themselves are marvels. Stamens are partially attached to the cup like ribs before curving out and coming together at the mouth. The even longer pistil is positioned several inches away from the group of anthers, suggesting a large, mobile pollinator. Makes a great cutflower with Asiatic lilies.

 

swamp lily container in bloom

Left: 2nd Place winner - Crinum americana: swamp lily. Amazingly swamp lily bloomed on the roofdeck in a ceramic container with no drainage holes This crinum requires wet conditions, so typical drainage on a baking hot roof would not do. To help keep the water from stagnating, hardy palm sedge (Carex muskingumensis) was planted with these half-hardy crinums.

After being ravaged by thrips earlier in the summer, blossoms were not expected. I let out a "Kaloo Kalay!" when I noticed the bud emerging. The "purse" opened quickly to reveal six gleaming white, lightly scented flowers .



wemoss.org 2009, Last Updated February 10, 2009