| Most people treat them as annuals or biennials, removing plants when flowering declines. |
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| Some of our favorite vegetables are biennials, meaning they take two seasons to complete their life cycles and produce seeds. |
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| I supplement them with annuals, biennials, vines, bulbs, and a few flowering shrubs. |
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| They can be either annuals, biennials, or perennials, depending on their species. |
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| Common biennials are the roadside favorite, Queen Anne's lace, native Black-eyed Susan, and Sweet William. |
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| Canterbury bells, Echium, foxglove, sweet William, Queen Anne's lace and mullein are among the commonly grown ornamental biennials. |
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| These herbaceous biennials produce tall spires clustered with tiny flowers, each of which is surrounded by its own emerald bell. |
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| Although they are in fact biennials, and will die off after flowering, they self-seed wildly. |
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| The role of the gallery is being radically transformed by the surging number of fairs, biennials and contemporary auctions. |
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| You should plant spring-flowering hardy annuals and biennials as soon as you can. |
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| Dig up and store tender bulbs from your summer garden, and cut back the worn-out perennials and biennials. |
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| Primroses are members of the genus Primula and can be perennials, biennials, or tender annuals. |
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| Plant out hardy biennials such as foxgloves and wallflowers in their flowering positions. |
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| Wildflowers and native plants also may be classified as annuals, biennials or perennials. |
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| Border carnations are those varieties typically grown outdoors by gardeners either as perennials, biennials, or annuals. |
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| Given that these plants appear to be biennials, the time frame is actually closer to only 30 generations. |
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| Species are annuals, biennials or rhizomatous perennials and have dimorphic cypselae with the ray fruit lacking a well developed crown of bristles. |
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| Annuals and biennials like sunflowers, cornflowers, wallflowers, forget me not and perennials like Michaelmas daisies are also good for the bird-feeding garden. |
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| It has stimulated the opening of other biennials in Africa, Asia, and Latin America, thus reaffirming Cuba's position as a cultural leader within the Third World. |
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| Wildflowers are either self-sowing annuals, biennials or perennials. |
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| His work found immediate and continued international success in prestigious festivals, symposia, broadcasts, biennials, museums and gallery exhibitions. |
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| During the two years between biennials, the committee ensures the participation of venues by continuously meeting with curators, artists and other organizers. |
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| As event planners seek to position benefits and biennials and clear dates for auctions, openings and galas, they need to know what else is happening and when and where. |
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| In the understorey are monsteras, warrigal greens, more Cape gooseberries, and numerous self-sown annuals and biennials, as well as many shade-loving ornamentals. |
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| As you cut down summer annuals and biennials, such as foxglove, hollyhock, poppy and sweet william, break apart the seed heads and sprinkle the seeds around. |
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| Sow spring-flowering biennials including wallflowers, sweet Williams and forget-me-nots. |
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| This month is an excellent time to divide your daylilies and irises, and perhaps plant a few biennials around them. |
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| Herbs can be perennials such as thyme or lavender, biennials such as parsley, or annuals like basil. |
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| Plant out biennials such as wallflowers, sweet williams and foxgloves where they are to flower next year. |
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| The nonpainting trends of those years have been relentlessly celebrated and valorized by museums, art historians and biennials. |
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| Radish can now be found as a cultigen throughout the world in many different forms, from small leafy annuals to biennials with large fleshy roots. |
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