Perennials & Biennials

Showing 153–160 of 548 results

  • Dalea purpurea syn. Petalostemon purpurea Violet prairie clover

    Vase shaped clump with wands of violet to purple encircling tall coneheads

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    Vase shaped clump with wands of violet to purple encircling tall coneheads.

    Size: 2’ x 18”
    Care: full sun in well-drained to moist well-drained soil. Drought tolerant.
    Native: Canada to Texas, Wisconsin native
    Wildlife Value: Host for caterpillars of Dogface Sulphur, Striped blue & Mexican blue butterflies.

    Dalea named to honor English botanist Dr. Samuel Dale (1659- 1739.)  Chippewa, Meskwaki and Navajo used medicinally – as remedies for heart ailments, pneumonia, diarrhea and measles.  Comanche and Lakota chewed the root like gum, for its sweet taste.  Pawnee made brooms from the flexible stems.  1st collected by Frenchman André Michaux (1746-1802) who spent 11 years in America collecting hundreds of new plants.  Bailey described the flowers: “a constant succession of showy spikes of flowers…”(1933)

  • Darmera peltatum syn. Peltiphyllum peltatum Umbrella plant, Indian rhubarb Z 5-8

    Round with ruffled edged foliage dramatic green in summer but magnificent turning red in fall or pink umbellifer flowers in spring

    $12.95/bareroot

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    Grow for its gigantic, round, with ruffled edged, foliage, green in summer but magnificent red in fall. Pink umbellifer flowers in spring

    Size: 3-4’ x 3’
    Care: shade to sun in wet soil
    Native: Oregon & California
    Awards: Royal Horticultural Society Award of Garden Merit

    Collected before 1849.  Karok ate young shoots and Miwok mixed crushed root with acorn meal.

  • Delphinium elatum Perennial larkspur Z 2-7

    Spikes of blue to purple single, elf-capped shaped blossoms with black eyes

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    Spikes of blue to purple single, elf-capped shaped blossoms with black eyes in June, repeating in August-September.  Sturdy stems.  Need no staking.   One of internationally known garden designer Piet Oudolf’s 100 “MUST HAVE” plants, Gardens Illustrated 94 (2013)

    Size: 4’ x 12”
    Care: sun to part shade in moist well-drained soil. Do not cut back in fall. Delphiniums have hollow stems where moisture will collect and kill the plant (crown rot) over winter.
    Native: Siberia & central Europe

    Introduced to English gardens by 1578. One of the parents of today’s border hybrids.  Pressed specimen in Emily Dickinson’s herbarium.

  • Delphinium exaltatum Tall Larkspur

    lavender or purple spikes of trumpets

    $11.95/bareroot

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    Fabulous, lavender or purple spikes of trumpets on tall stems in July to August.

    Size: 3-5' x 9"
    Care: sun to part shade in moist well drained soil. Withstands winds, no staking needed. Not fussy like fancy hybrids.
    Native: From Minnesota to Alabama, Wisconsin native
    Wildlife Value: attract hummingbirds

    Delphinium, named by Dioscorides, is Greek for “dolphin” due to the resemblance of the flower shape.  Cultivated by Jefferson at Monticello where he planted it in the NW quarter of the outer border in March 1811.

  • Delphinium grandiflorum ‘Blue Butterfly’ Z 4-8

    Picture a dangling blue elf cap for the flower.

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    Picture a dangling cornflower blue elf cap for the flower. Blooms in June and repeats if deadheaded.

    Size: 12-18" x 9"
    Care: sun to part shade in moist well-drained soil.
    Native: Siberia, China & Japan
    Wildlife Value: attracts hummingbirds

    Dr. Johann Ammann sent the seeds of this Delphinium from the Imperial Academy at St. Petersburg to Peter Collinson in England in 1736. ‘Blue Butterfly’ selected by 1900. Gertrude Jekyll, mother of the mixed perennial garden valued ‘Blue Butterfly’ for its “pure blue,” late 1800’s.

  • Delphinium tricorne Dwarf larkspur, Spring larkspur Z 4-8

    Spring ephemeral of blue delphinium elf-cap spikes – an absolute delight. Substitute these for tulips, a favorite food of deer and rabbits

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    OUT OF STOCK – Available to order in Spring only

    Spring ephemeral of blue delphinium elf-cap spikes – an absolute delight. Substitute these for tulips, a favorite food of deer and rabbits

    Size: 18-24” – 6-9”
    Care: sun to shade in moist well-drained to moist soil
    Native: PA to IA, s. to GA, AL, AR & e. OK
    Wildlife Value: food for hummingbirds and butterflies; deer & rabbit resistant.

    Collected by Andre Michaux c. 1800. Cherokee used this for heart ailments and reported that it makes cows intoxicated and they die. The name tricorne comes from the 3-cornered shape of its seeds, like the shape of colonial hats with brims turned up on three sides.

  • Delphinium vestitum syn. D. chitralicum syn. D. rectivenium, qian lie cui que in China, Clothed Delphinium, Flowers of India Z 6-10

    Spikes of purple-blue with deep black centers rise above large rounded leaves. Blooms in August-Sept

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    Spikes of purple-blue with deep black centers rise above large rounded leaves. Blooms in August-Sept

    Size: 24” x10”
    Care: full sun to part shade
    Native: Himalayas
    Wildlife Value: attracts bees & butterflies

    Nathaniel Wallich had already described Delphinium vestitum but the name was validly published by John Forbes Royle in 1834.

  • Delphinium x formosum ‘Belladonna’ Garland delphinium Z 4-8

    June & repeat in September pale sky blue graceful, short spikes

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    June & repeat in September pale sky blue graceful, short spikes

    Size: 2- 3’ x 12”
    Care: Sun well-drained soil. Do not cut back in fall. Delphiniiums have hollow stems where moisture will collect and kill the plant (crown rot) over winter.

    Delphinium, named by Dioscorides, is Greek for “dolphin.” In 1597 Gerard wrote that the Delphinium leaf paralyzed scorpions and all venomous beasts. D. x formosum called “the finest garden hybrid” of the early 19th century. It was “raised by Mr. G. Moore, a nurseryman of East Dereham, Norfolk.” George Phillips, (1933). ‘Belladonna’ hybridized in 1800’s as cutting flowers. Blooms last long in the vase. In the July 1872 issue of “the Garden” Wm. Robinson called this “too seldom seen” and “a great ornament.”