Fall flowering aster, large basal leaves in the spring have groundcovering effect, that fades when the plants focus on blooming. Floriferous and mildew resistant.
Great perennial for sunny or part shaded woodland-edge garden.
'Twilight' is selection of natural hybrid of Aster macrophyllus and Aster spectabilis. Plant will form small colonies via slowly spreading rhizomes, height of 2.5-3' and width of 3'. Clusters of blue flowers (about 1") in August and September.
Full sun, half shade are the best, average soil, clayish soil, loam with average moisture (medium, medium-moist to medium-dry). Can be planted in dappled shade for the groundcovering effect, but plants may bloom less there. Established plants are somewhat drought tolerant.
Hardy in zones 3 to 8.
This aster has very good ecological value - it attracts native bees and butterflies and is host plant for caterpillars of Pearl Crescent, Silvery Checkerspot Butterfly and several species of moths.
'Twilight' is tolerant to black walnuts and is considered to be deer resistant.
Underused aster that can be used in sunny border, cottage garden, pollinator garden or woodland edge or light woodland garden. Leave some room, because it will spread some.
Excellent combinations can be achieved with perennials like Aconitum, Anemone x hupehensis (Japanese Anemone and hybrids), Aster divaricatus, Eupatorium coelestinum, shorter cultivars of Eupatorium, Echinacea purpurea and hybrids, Heliopsis, Helianthus divaricatus, Hosta (in half shade with average moist soil), Phlox paniculata and hybrids, Patrinia scabiosifolia, Sanguisorba, Solidago caesia, Solidago flexicaulis, Vernonia or medium to taller grasses like Andropogon gerardii, Pennisetum, Panicum or Carex.
"Twilight' is quite popular in European gardens, favorite of many famous landscape designers. In USA can be seen for example in Lurie garden in Chicago.
Pot size : square 3.5" x 5" deep pot
Picture copyright : 1 - Nigel Dunnett, 2 - US Perennials nursery