Callirhoe Seed ( Perennial )
Sowing Callirhoe Seeds:
Scarify seeds by rubbing with sandpaper. Sow outdoors in the fall, 1/4" deep. Requires a long period of cold-moist stratification. Slow to germinate. Full sun.
Photo by Stan Shebs
RHC470 Callirhoe Involucrata
Wine cups, excellent slowly spreading growndcover, well drained
soil, grows 8" tall, hardy to zone 5. Perennial.
RHC471 Callirhoe Triangulata
Deep burgundy poppy mallow, long bloomer summer to fall,
spreads, for sandy soil, slow to germ, grows 8" tall, hardy to
zone 5. Perennial.