Perennials & Biennials

Showing 505–512 of 548 results

  • Thalictrum minus ‘Adiantifolium’ Fernleaf meadowrue Z 5-9

    Yellowish flowers in spring

    $11.95/bareroot

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    In spring loose panicles of tiny yellowish flowers top fern-like ornamental foliage, 3′ tall.

    Size: 36" x 24"
    Care: part shade in moist to moist well-drained soil. Deer resistant.
    Native: Europe
    Wildlife Value: Attracts Black swallowtail butterfly
    Awards: Rated as excellent by the Chicago Botanic Garden.

    Grown by English herbalist Gerard in the 1590’s.

  • Thalictrum polygamum syn. T. pubescens Tall Meadowrue, King of the meadow Z. 4-8

    Showy, delicate ivory stamens July to September

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    $11.95/bareroot

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    Showy, delicate ivory stamens July to September

    Size: 3-8’ x 4’
    Care: part shade to shade in moist soil
    Native: along streams & ponds from Newfoundland west to the Mississippi River & south to Mississippi
    Wildlife Value: Attracts Black swallowtail butterfly
    Awards: Rated as “excellent” by the Chicago Botanic Garden
    Size: Iroquois smashed this Meadowrue to wash their heads and necks for nosebleeds. They also used it to remedy gall ailments. For the Montagnais its leaves flavored salmon.

    Thalictrum is from Greek meaning “to flourish” or “look green.”  Collected  before 1793. Pressed specimen in Emily Dickinson’s herbarium.

  • Thalictrum rochebruneanum Lavender mist meadowrue Z 5-8

    Airy clusters of lavender blooms

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    Lacy, fine-textured, bluish-green, pinnately compound, columbine-like foliage topped by pendulous, lavender-purple flowers with yellow stamens July-September in airy clusters rising well above the foliage to 4-6′ tall. Extraordinary en mass.

    Size: 4-6’ x 30”
    Care: sun to part shade in moist well-drained soil
    Native: Japan
    Wildlife Value: Attracts Black swallowtail butterfly

    Collected for gardens before 1878. Likely named for Alphonse Trémeau de Rochebrune (1834-1912)

  • Thermopsis caroliniana syn. Thermopsis villosa Carolina lupine Z 4-9

    Dense spikes of buttery yellow in June, resembling Baptisia or Lupin with clover like foliage.

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    Dense spikes of buttery yellow in June, resembling Baptisia or Lupin with clover-like foliage.

    Size: 4’ x 2’ spreading by root
    Care: Sun in well-drained soil. Drought & Heat tolerant.
    Native: forest openings in the Appalachians
    Wildlife Value: Attracts bees & butterflies, Deer & rabbit resistant.

    Collected before 1843

  • Thermopsis lanceolata Lanceleaf thermopsis, Siberian lupin Z 3-8

    Striking spikes of buttercup yellow pea-like flowers June-July

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    Striking spikes of buttercup yellow pea-like flowers June-July

    Size: 3’ x 18”
    Care: sun to part shade in well-drained to moist well-drained soil
    Native: E. Asia, Siberia to Japan & Alaska

    Thermopsis is Greek meaning “lupin” and “like;” lanceolata refers to the lance shaped leaves. Collected before 1753.

  • Thermopsis montana syn. T. rhombifolia Golden banner, False lupin Z 4-9

    Yellow spikes of pea-like flowers May-June and longer in cool climates.

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    Yellow spikes of pea-like flowers May-June and longer in cool climates.

    Size: 24-36” x 18-24” & spreading by rhizomes
    Care: sun to part shade in moist well-drained to well-drained soil
    Native: Rocky Mountains

    Thermopsis is Greek meaning “lupin” and “like;”because the flower looks like a yellow lupine. Collected in 1834 by plant hunter extraordinaire Thomas Nuttall (1786-1859) on the trip to California, the Wyeth Expedition.

  • Thymus pseudolanuginosus Woolly thyme Z 4-8

    miniature, very hairy silver leaves, resembling wool. Lavender flowers in June.

    $8.75/pot

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    Grown as a groundcover or in rock gardens for its miniature, very hairy silver leaves, resembling wool.  Lavender flowers in June.

    Size: 1” x 12” spreading slowly
    Care: sun to part shade in well-drained soil. Drought tolerant. Deer resistant
    Native: Europe

    1st mentioned in literature by Phillip Miller of Chelsea Physic Garden, 1771.

  • Thymus serpyllum ‘Minus’ syn. T. praecox ‘Minus’ Dwarf thyme Z 5-9

    Miniscule gray-green leaves, topped by tiny pink flowers

    $8.75/pot

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    Miniscule gray-green leaves, topped by tiny pink flowers in midsummer, spreads to form a tight carpet.

    Size: 1” x 12” spreads
    Care: sun to part shade in well-drained soil
    Native: Europe
    Wildlife Value: Deer resistant.
    Size: Great for rock gardens, groundcover, drought tolerant.

    Thymus  from the Greek word for “odor” due to the plant’s fragrance. Ancient Greeks made incense with thyme.  ‘Minus’ described by Parkinson in 1640.  He called it Thymus serphyllum vulgare minus.