• October is the perfect time to divide spring-blooming wildflowers and ephemerals. Jack-in-the-pulpit (Arisaema triphyllum) benefits from division and immediate replanting.
• Plant spring-blooming bulbs as well. Put some in containers for forcing to enjoy early blooms indoors. Set the pots in a cool, dark place and water the bulbs weekly.
• Collect fallen leaves from the lawn, then shred them and make a leaf-mold pile for use next summer.
• Dig up dahlias and other tender bulbs for storage after frost blackens the foliage. Move perennials grown as part of container plantings into the ground now to allow them to get established before winter.
• Bring in tender perennials before a hard frost strikes.
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