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Discussion in 'HortForum' started by Kelly Rose, Jul 14, 2002.
Looking for the most successful way to cultivate trilliums, from seeds directly off the plant
I got the informations from the 'Reader's Digest A-Z Encyclopedia of Garden Plants':
PROPAGATION: Sow seeds as soon as ripe in containers in a shaded cold frame; leaves will not usually appear until the second spring, and plants take 5-7 years to reach flowering size. Divide rhizomes after flowering; divisions may be slow to re-establish. Alternatively, cut out the growing point from the rhizome after flowering, which stimulates formation of offsets.
CULTIVATION: Grow in moist but well-drained, deep, humus-rich, preferably acidic to neutral soil, although some will grow in moderately alkaline soil, in deep or partial shade. Mulch annually in autumn with leaf mold.
I hope that will help !