Growing Lilium rosthornii for seed

Jim McKenney
Thu, 04 Apr 2013 10:12:36 PDT
Aaron  wrote "My plants usually flower in Aug-September in comparison to henryi which usually flowers in June. "

Aaron, I know you're south of here, but June seems very early for Lilium henryi. Here in USDA zone 7 Maryland, just north of Washington, D.C., it blooms in mid-July. 

Griffiths, writing about a century ago, noted that even plants growing in northern Virginia often did not ripen properly outside before freezes; he suggested cutting the stems and maturing them indoors in water. 

Jim McKenney

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