Perennials & Biennials

Showing 345–352 of 508 results

  • Penstemon strictus Rocky Mountain penstemon Z 3-8

    Spikes of deep purplish-red bells in summer

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    Spikes of deep purplish-red bells in summer.

    Size: 30" x 24"
    Care: Full sun in well-drained soil. Drought tolerant
    Native: Wyoming to Arizona
    Wildlife Value: feeds bees, hummingbirds and butterflies

    Penstemon is named for its five stamens, penta meaning five and stemon meaning stamen in Greek. Strictus means “erect.”  This species collected by explorer, military officer and politician John C Fremont (1813-1890) and described in 1846.

  • Penstemon tubaeflorus Great Plains Beardtongue 4-8

    Spikes of swan white trumpets with flared ends blooms in early summer.  One of most reliable, long lived penstemons.

    $12.75/bareroot

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    Spikes of swan white trumpets with flared ends blooms in early summer.  One of most reliable, long lived penstemons.

    Size: 2-3’x 15”
    Care: Sun in well-drained to moist well-drained soil
    Native: Central Plains N., S. to TX & NE to Maine, Wisconsin native
    Wildlife Value: feeds Baltimore butterfly, other butterflies, bees and hummingbirds

    Penstemon is named for its five stamens, penta meaning five and stemon meaning stamen in Greek.  Collected by English botanist Thomas Nuttall (1786-1859) who searched entire No. American continent – parts of Canada, from New England west to Oregon, parts of the South, Midwest, the Plains, the S.E., California & Hawaii, finding hundreds of new plants.

  • Persicaria affinis syn. Bistorta affinis Dwarf fleeceflower, Himalayan Knotweed Z 4-9

    A spreading, mat-forming perennial of pink to red flower spikes, blooming late summer and autumn. Its’ equally impressive foliage, deep green above & pale blue green beneath, turns red in autumn and winter. Excellent for groundcover, large rock gardens and the front of a border.

    $10.25/bareroot

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    A spreading, mat-forming perennial of pink to red flower spikes, blooming late summer and autumn. Its’ equally impressive foliage, deep green above & pale blue green beneath, turns red in autumn and winter. Excellent for groundcover, large rock gardens and the front of a border.

    Size: 8-12” x 3’ spreading
    Care: sun to part shade in moist well-drained soil
    Native: high mountains of Nepal in rocky areas and open slopes

    Collected by plant hunter Nathaniel Wallich (1786-1854) and described by botanist David Don (1799-1841) in Prodromus Florae Nepalensis in 1825.

  • Persicaria amplexicaulis var. speciosum syn. Bistorta amplexicaulis Mountain fleeceflower Z 4-7

    queen of flowers with red spikes lasting from June to October

    $12.75/bareroot

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    A naming mess.  Even experts cannot agree on the name.  Flora of China calls this Polygonum amplexicaule var. amplexicaule and lists 7 synonyms. The Missouri Botanic Garden says this is the same as Persicaria amplexicaule ‘Firetail.’  Regardless of the name it’s a queen of flowers with magenta spikes lasting from late June to October. One of internationally known garden designer Piet Oudolf’s “MUST HAVE” plants.  Gardens Illustrated 94 (2013)

    Size: 3’-4’ x 3’-4’
    Care: sun to part shade in moist to moist well-drained soil
    Native: Pakistan, Hubei, Sichuan, Xizang, Yunnan in China.
    Wildlife Value: deer & rabbit resistant; feeds bees and butterflies
    Awards: Silver Banksian Medal from England’s Royal Horticultural Society in 1922. The Royal Horticultural Society also granted an Award of Garden Merit and the Elisabeth Cary Miller Garden named it a Great Plant Pick

    Collected for western gardens by 1825 when described by botanist David Don in Prodromus Florae Nepalensis.   Nathaniel Kider exhibited this at the Massachusetts Horticultural Society in 1872.

  • Persicaria polymorpha syn. Persicaria alpina, Koenigia alpina Giant fleeceflower Z 4-9

    Giant white plumes June-October tower on its 5-6’ stems

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    Giant white plumes June-October tower on its 5-6’ stems

    Size: 5-6' x 5' (big but not invasive)
    Care: sun to part shade in moist to moist well-drained soil
    Native: China, Korean peninsula & Himalayas
    Wildlife Value: Deer and rabbit resistant
    Awards: Great Plant Pick Award from Elisabeth Carey Miller Botanical Garden. Rated “Excellent” by Chicago Botanic Garden

    One of the hot “new” plants promoted by landscape designer Wolfgang Oehme.  In fact, this plant was collected before 1872 (it flowered in London in 1872, per The Garden) and was described more than 100 years ago by premier Japanese botanist Takenoshin Nakai (1882-1952.)  Nakai, professor, author, scholar and appointed official botanist for Korea in 1910 after Japan annexed Korea following the Sino-Japanese and Russo-Japanese wars. There he explored the botanically unknown mountains and forests introducing its plants to the world through his international contacts and authoring Flora Koreana. (1909-1910)

  • Petrophytum caespitosum Mat rock Spiraea Z 4-8

    Tight cushions bearing white spikes August-September. Its roots penetrate rock crevices and cracks.

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    Tight cushions bearing white spikes August-September. Its roots penetrate rock crevices and cracks

    Size: 4” x 4-6"
    Care: sun to part shade in well-drained soil. Do not allow leaf litter to cover it.
    Native: Sierras to Rocky Mountains

    Collected by premier plant hunter Thomas Nuttall 1834-1837 on his exploration across the continent to the Pacific “on high shelving rocks in the Rocky Mountains, towards the sources of the Platte.”

  • Phlomis tuberosa syn. Phlomoides tuberosa Jerusalem sage Z 5-8

    Whorls of bubblegum pink, beak-shaped flowers encircle stem, ladder-like, in July. One of internationally known garden designer Piet Oudolf’s 100 “MUST HAVE” plants, Gardens Illustrated 94 (2013)

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    Whorls of bubblegum pink, beak-shaped flowers encircle stem, ladder-like, in July. One of internationally known garden designer Piet Oudolf’s 100 “MUST HAVE” plants, Gardens Illustrated 94 (2013)

    Size: 4' x 12"
    Care: Sun well-drained soil
    Native: central and S.E. Europe to central Asia.
    Wildlife Value: attracts butterflies, deer resistant.
    Awards: Chicago Botanic Garden rates this 4-stars for health, robust growth, hardiness and flower production.

    In garden of English plant enthusiast Peter Collinson, 1736. The name Phlomis is Greek meaning “to burn” “because in old time the peasants used to burn these plants to enlighten their chambers.” Gardeners Dictionary, 1768.  This species 1st collected in Siberia in 1759.

  • Phlox buckleyi Sword leaf Phlox Z 4-8

    Sprays of mauve, pink or purple in May-June

    $12.75/bareroot

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    Sprays of mauve, pink or purple in May-June

    Size: 8- 18” x 12”
    Care: sun to part shade in any soil
    Native: Virginia & West Virginia

    Bob from Texas reports “they are absolutely the most fragrant flowers we have ever experienced.  We only pick a few each spring and put them in a vase in the house with sugar sweetened water.  They produce that amazing fragrance in the house for virtually two full weeks in that vase while the rest put that aroma across the back yard.  Sword Leaf Phlox is simply an amazingly beautiful plant.”
    Described and named by Edgar Theodore Wherry (1885-1982), unflagging naturalist in the finest tradition of wide interests in the natural world.  After getting his Ph.D. in 1909 in geology-mineralogy he became Asst. Curator of Minerals for the Smithsonian.  In 8 years he transferred to the USDA Bureau of Chemistry, becoming its principal chemist.  In 1930 he was appointed botany professor at U. Penn., where he taught botany and ecology for 25 years.

    **LISTED AS OUT OF STOCK BECAUSE WE DO NOT SHIP THIS ITEM.  IT IS AVAILABLE FOR PURCHASE AT OUR RETAIL LOCATION.