Perennials & Biennials

Showing 513–520 of 548 results

  • Thymus serpyllum ssp. arcticus syn. T. praecox Lemon thyme Z 2-9

    Purple flowers May – August with evergreen foliage on this tiny leaved plant. Good for groundcover or rock garden.

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    Purple flowers May – August with evergreen foliage on this tiny leaved plant. Good for groundcover or rock garden.

    Can not ship to: Maryland

    Size: 4” x 12” and spreading
    Care: sun to part shade in moist well-drained to well-drained soil
    Native: Greenland, Norway, Iceland, the Arctic, much of the US incl WI.

    Thymus from the Greek word for “odor” due to the plant’s fragrance. Ancient Greeks made incense with thyme. This species collected on an exhibition in the Arctic before 1855. Parkinson describes lemon thyme in 1640 but it may be different than this.

  • Thymus serpyllum syn. Thymus praecox Mother-of-thyme, creeping thyme Z 4-9

    Short purple spikes in June-July

    $7.75/pot

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    Short purple spikes in June-July

    Size: 3” x 24”
    Care: sun in well-drained soil
    Native: Europe & Western Asia
    Size: groundcover, rock garden, herb, fragrant foliage, thyme lawn

    Thymus  from the Greek word for “odor” due to the plant’s fragrance.  Ancient Greeks made incense with thyme.   This species since at least 1753. Acc’d to Parkinson in 1640 this remedied hysterics in women.  Wm. Robinson wrote,”nothing can be more charming than a sunny bank covered with” Thymus serpyllum.  LH Bailey extolled it as “prized as an evergreen edging and as cover for rockwork and waste places …The leaves are sometimes used for seasoning.”

  • Tiarella cordifolia Allegheny foam flower Z 3-9

    White spikes in spring, gorgeous en masse. Make a great groundcover for shade.

    $11.95/bareroot

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    White spikes in spring, gorgeous en masse. Make a great groundcover for shade.

    Size: 6-12”x 12-24” spreading
    Care: Shade to part shade in moist to moist well-drained soil
    Native: Novia Scotia to Georgia, native to Wisconsin.
    Awards: Royal Horticultural Society Award of Merit.

    Tiarella is Latin meaning little tiara referring to the form of the pistil.   The common name is derived from the form of blossoms. Cherokee used this plant to remove the white coating on their tongues. For the Iroquois it increased the appetite of children and cured sores in their mouths. One of 1st No. American plants sent to Europe – grew in Tradescant the Elder’s South Lambeth nursery in 1634.  Liberty Hyde Botanist L.H. Bailey described Tiarella cordifolia as: ”An elegant plant well worthy of general culture.” Pressed specimen in Emily Dickinson’s herbarium.

  • Tradescantia bracteata Spiderwort Z. 4-9

    rosy purple flowers July-August

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    $11.95/bareroot

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    rosy purple flowers July-August

    Size: 12-18” x 12”
    Care: full sun to part shade in moist well drained soil
    Native: WY east to MI, south to OK, WI native
    Wildlife Value: attracts bees & butterflies

    Genus named after John Tradescant the Younger, an English botanist, who introduced Tradescantia virginiana to garden cultivation in 1637, when he sent it to his father, gardener to King Charles I.   This prairie plant collected before 1938.

  • Tradescantia virginiana Spiderwort Z 4-9

    bluish lavender to purple 3 petaled stars with showy yellow stamens

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    Prominent pendulous buds open to bluish lavender to purple 3-petaled stars with showy yellow stamens. Free blooming from June thru September.

    Size: 18-24" x 24"
    Care: Full sun to part shade in moist to moist well-drained soil
    Native: From New York to South Dakota, Virginia and Arkansas

    Named after English planthunter John Tradescant the Younger, who introduced this plant to garden cultivation in 1637.   Parkinson explains the origin of this plant: “This Spider-wort is of late knowledge, and for it the Christian world is indebted unto that painfull industrious searcher, and lover of all natures varieties, John Tradescant who first received it of a friend, that brought it out of Virginia,” (1639). Cherokee ate the young greens and prescribed it to cure stomachaches after overeating, female illnesses, cancer and insect bites.  Menominee revived those “defiled by touch of bereaved.” By 1659 ones with white, light blue and reddish flowers grown in England.

  • Tricyrtis hirta Japanese Toad Lily, Hairy toadlily Zone 4 – 8

    flowers white with purple spots. Valuable fall-blooming flower

    $11.95/bareroot

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    From August to October flowers white with purple spots. Valuable fall-blooming flower, not many shade fall bloomers.

    Size: 2’ x 2’
    Care: Moist well-drained soil in sun to shade
    Native: Japan
    Awards: Oklahoma Proven 2010, Rated good by the Chicago Botanic Garden

    Name Tricyrtis is Greek meaning “three cavities”, supposedly describing the outer petals.  The Japanese name for this plant hototogisu, means “cuckoo” because the purple dots on the petals resemble the spots on the cuckoo bird’s chest.

  • Trillium grandiflorum Large flowered Trillium, Wake robin Z 4-8

    Pure white trio of petals atop whorl of leaves in May. Ephemeral.

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    OUT OF STOCK – Available for purchase in Spring only

    Pure white trio of petals atop whorl of leaves in May. Ephemeral.

    Size: 12-18” x slowly spreading
    Care: shade to part shade in moist soil
    Native: Quebec to Georgia, west to Minnesota WI native
    Awards: Elisabeth Carey Miller Botanical Garden Great Plant Picks

    Chippewa made decoctions of Trillium for aching joints & sore ears. Menominee cured many ailments with this Trillium: irregular menstrual periods, cramps, diuretic, swollen eyes and “sore nipples and teats pierced with a dog whisker.” Collected by Frenchman André Michaux (1746-1802) who spent 11 years in America collecting hundreds of new plants.

  • Trillium luteum Yellow Trillium Ephemeral Z 4-8

    Sometimes mottled, hosta-like leaves support a lemon-scented, three-petaled yellow blossom in April-May

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    Sometimes mottled, hosta-like leaves support a lemon-scented, three-petaled yellow blossom in April-May

    Size: 15” x 8”
    Care: Shade to part shade in moist, well-drained soil
    Native: Southeastern US
    Wildlife Value: Attracts bees
    Awards: Elisabeth Carey Miller Great Plant Pick, recipient of the Royal Horticultural Society Award of Garden Merit

    First published description by Gotthilf Heinrich Ernst Muhlenberg (1753-1815) American botanist Lutheran minister and college president.