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Hardiness Zone Map


Aquilegia

Columbine

This genus deserves its lofty names, which mean “eagle” and “dove,” because its intricate flowers have been said to resemble birds in flight. Beyond the symbolism of the flowers, the finely textured, widely varied species possess a gracefulness that is likely to carry you to heights of enjoyment. Whether trim dwarfs or fancy long-spurred varieties, Columbines are characterized by fern-like 3-lobed leaves. They are best suited for naturalizing in a woodland with dappled light, however the smaller species will thrive in a partially shaded rock garden.

Traversing the subalpine meadows of Europe’s Alps and Apennines mountains, this tall arresting species flaunts nodding dark purple blooms with short spurs and prominent yellow stamens, which stretch well beyond the rich-as-velvet nearly black petals. Strong lanky stems anchor the mesmerizing blooms, while the handsome glaucous greenery provides contrasting foliar hues for Hakonechloa macra ‘Aureola’ and Lysimachia ‘Aurea’.

Blooms April–early June

Size: 18" – 20" high x 12" wide.

Hardy to zone 3.

<i>Aquilegia buergeriana</i> ‘Calimero’

Dangling like delicate Japanese lanterns, the plum and soft yellow blossoms are topped with wispy, tapered spurs that curve inward. Like an ideal small-space ornament, this compact Aquilegia offers a demure mound of foliage and arresting colors.

Blooms May–mid-June.

Size: 8" high x 8" – 10" wide.

Hardy to zone 6.

Discovered by Kansas’ Dyck Arboretum of the Plains and introduced by Jelitto Seeds, this superb softly hued gem is shorter than its wild eastern cousin. The nodding, small-spurred blooms dress up with pretty pink outer petals, encompassing a buttery yellow corolla. All this floral loveliness tops refined 3-lobed ferny foliage that can be nestled amid Pulmonarias or Helleborus.

Blooms May–July

Size: 10" – 12" high x 10" – 12" wide.

Hardy to zone 3.

<i>Aquilegia chrysantha</i> ‘Denver Gold’

Bathed in brilliant golden yellow hues, fragrant extra large blossoms, some reaching over 3 in. across, achieve an elegant grace note as long tapered recurving spurs stream from behind. Promising a repeat bloom with attentive deadheading, the blithe open flowers are borne on well-branched stems above a compact ferny mound of lobed bluish green leaves. The native species, Aquilegia chrysantha, wanders throughout the southwestern U.S. and northern Mexico, while this robust Plant Select introduction brings an illuminated show to woodland gardens, the rockery and even a cut bouquet.

Blooms April–May.

Size: 2-1/2' high x 15" wide.

Zone 3/4.

As if in flight, ‘Yellow Queen’s long outward-curving spurs trail behind its cheerful, bright yellow flowers. Soaring on tall slender stems above bushy and bluish green, fernlike foliage, the upfacing, fragrant blooms are good-sized and abundant. Owing its vigor and floriferous nature to its wild southwestern cousin, Aquilegia chrysantha, this cultivar makes a sunny partner for the lush purple leaves of Anthriscus ‘Ravenswing’.

Blooms April–May.

Size: 2-1/2' high x 15" wide.

Hardy to zone 4.

Promising plenty of nodding vivid blue-violet flowers brightened by white centers, this sturdy Columbine forms a tidy low growing mound with lobed deep green foliage. Nestled along a stone wall or garden path, ‘Blue Angel’ bestows enchanting detail.

Blooms April–early June.

Size: 8" high x 10" wide.

Hardy to zone 4.

Aquilegia ‘Kristall’ (P-0020)

Each $7.75

AVAILABLE AUGUST 2019

<i>Aquilegia</i> ‘Kristall’

A glowing candidate for the shade garden, large, long-spurred pure white flowers alight firm lengthy stems. This sophisticated cultivar can be planted with Brunnera ‘Dawson’s White’ to create a spirited combination of blue and white.

Blooms April–May

Size: 2' 0" high x 15" wide.

Zone 3/4.

Aquilegia olympica (P-2030)

Each $7.75

AVAILABLE LATE SPRING 2019

Inhabiting haunts from southern Russia to northern Turkey plus Iran, this tall growing hummingbird mecca offers 2 in. wide blooms with cupped white petals, brilliant blue sepals and short, markedly hooked pale spurs. The cornucopia of fanciful blooms, perched upon wiry stems, gazes down at fine-cut glaucous greenery. Hard to find and easy to grow, Aquilegia olympica promises a pleasing foliar effect throughout the season, while positioned alongside Epimedium ‘White Queen’ and Helleborus ‘Joseph Lemper’.

Blooms May–early July

Size: 18" – 2' 0" high x 12" – 18" wide.

Zone 3/4.

<i>Aquilegia rockii</i>

Some 75 years ago, Joseph Rock gathered seed from this elegant beauty in China’s Szechwan kingdom. Elevated on stems that mimic a dancer’s grace, the pendant flowers are richly colored in deep lilac shades. White-edged corollas enhance the large, short-spurred blooms above a pleasing foliar mound.

Blooms May–June

Size: 15" – 20" high x 12" wide.

Hardy to zone 6.

Hailing from central Asia, this splendid species beckons us with large, dazzling deep blue flowers described by short spurs and clear white corollas. The nodding, hummingbird and butterfly-friendly blooms reside on graceful 14 in. stems above a cold-hardy blue-green mound of attractive rabbit- resistant leaves. Happiest in fertile soil and coastal sun, or bright shade elsewhere, Aquilegia sibirica can be tucked into troughs, rock work or alpine gardens.

Blooms May–June

Size: 14" high x 10" – 12" wide.

Hardy to zone 3.

Exhibiting the easy elegance that assures Columbine‘s well-known charm, exquisite short-spurred, double flowers dressed in deep ruby red hues rest atop long, sturdy stems like lazy nodding bells. Sumptuous against a winsome clump of bluish green ferny leaves, the blooms create an intoxicating color echo when combined with Epimedium x rubrum’s red blossoms and the dark foliage of Heuchera ‘Blackout’.

Blooms May–June.

Size: 2' 0" – 2-1/4' high x 15" wide.

Zone 3/4.

A shining star of the cut flower trade, ‘Blue Barlow’ prances elaborate, fully double deep violet-blue blossoms—upward-facing, spurless and nearly 2 in. across—on tall lithe stems. Grayish blue-green divided foliage shapes a tailored lacy mound below the plush, long-lasting Dahlia-like inflorescences that everyone adores, especially hummingbirds and butterflies. Ideal for bright dappled recesses, this uniquely beautiful Columbine appreciates well-drained, compost-rich soil and a cutback after the blooms are spent.

Blooms May–July

Size: 2-1/2' high x 18" wide.

Hardy to zone 3.

<i>Aquilegia vulgaris</i> var. <i>stellata</i> ‘Green Apples’

Steeped in a Granny Smith apple-green hue, the new ferny leaves plus nodding flower buds set the stage for unique, green-rimmed, creamy white double blossoms. The spurless, multipetaled flowers initially transmute luminous green tones, later adopting a wide flattened appearance, enhanced by starburst-like points. The epitome of ornate elegance, ‘Green Apples’ can grace a vase, enliven a cottage garden or be utilized as a foil for fading spring bulbs.

Blooms May–July

Size: 2' 0" – 2-1/2' high x 18" wide.

Hardy to zone 3.

A merry union of speckles, splotches and streaks in Irish green, chartreuse and golden hues embellish each marbled leaf, rendering no two alike. Spurred deep purple pendulous flowers, poised on tall slender rosy stems lend splendid dark accents. Deemed the most treasured of variegated Aquilegias, this colorful Jelitto Seeds introduction gilds a shady nook, while a hard trim after blooming refreshes its leafy clump.

Blooms April–May.

Size: 2' 0" high x 15" wide.

Zone 3/4.

<i>Aquilegia vulgaris</i> ‘William Guiness’

‘William Guiness’s dark purple blossoms skirt snow-white corollas, lending dramatic contrast and an element of surprise. Deeply incurved spurs stand sentinel over each nodding bloom, which rises 2 ft. on lean steady stems from a leafy bluish green mound. Set this dark knight near the gilt foliage of Campanula ‘Dickson’s Gold’ for a captivating union.

Blooms May–June

Size: 2' 0" high x 15" wide.

Zone 3/4.

<i>Aquilegia vulgaris</i> ‘Woodside Gold’

We grew this unusual cultivar from seed, and its intensely golden springtime foliage gradually transmutes into light yellow summer garb, imparting a bright glow to darker garden corners. Gorgeous bicolored blue and rose blooms heighten the display while the deep greens of Pulmonaria ‘Benediction’ and Omphalodes ‘Joy Skies’ furnish an invigorating contrast.

Blooms April–May.

Size: 18" – 2' 0" high x 12" – 15" wide.

Hardy to zone 4.

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Current Staff's Favorite Plant

Current Staff's Favorite Plant

Our Featured Plant: Geranium nodosum ‘Clos du Coudray’

Gorgeous Geraniums, Long-lasting summer flowers, Saturday Strolls!

Gorgeous Geraniums!

True Geraniums are sturdy yet refined, with 5-petaled flowers borne on dainty stems above attractive, palmately divided leaves. Their spectrum of colors, from cool to electric, is rivaled only by their ability to create soft mounds and flowing carpets of lush foliage in ordinary garden soil. We plant an assortment of cultivars to always have some in bloom from spring to fall. Our hardy selections are easily grown and most will re-bloom after flowering if lightly trimmed. Be sure to browse our online selections.

Enjoy these blossoms all summer long….

Our newsletter features a diverse collection of long-blooming perennials and shrubs whose reliable flowers will grace your garden for months. These lovely blooms unfurl at the beginning of summer and continue flowering through August or September. Offering unique hues, they populate airy sprays, tall spires, blowsy flower heads or bold verticillasters. We hope you’ll find these long-bloomers as delightful as we do. 

Happy digging and happy summer from all us Digging Dog Plant Wranglers! 

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