Key Points Divide irises every three to five years to renew growth, ease crowding, and support flowering.Split irises after flowering in late summer or early fall so roots establish before ...

Key Points You can divide perennials during a dry spell if you take extra precautions to minimize root damage and transplant ...

Some perennials ( delphiniums come to mind) are short-lived. Others, like coneflowers, have moderate lifespans. But some can ...

Research on medicinal plants like ginkgo, turmeric, echinacea, and chamomile is often limited or inconclusive. While some studies suggest potential benefits, more evidence is necessary to verify their ...

Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.

If spring and early-summer perennials are overgrown, blooming less or flopping over, they might need dividing.