In the spring they begin growing again, then later flower and produce seeds. Parsley and fennel are examples of biennial herbs that need a cold period. Garlic, too, requires vernalization in order ...
Learn about the three main weed classifications—annual, biennial, and perennial—and how they impact garden management.
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Birds & Blooms on MSNCanterbury Bells Flowers Growing GuideGarden expert Melinda Myers says, "These canterbury bells (Campanula medium) are often used in flower arrangements and can be ...
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