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Alcea rosea ‘Blacknight’
at Digging Dog

Alcea

Alcea rosea ‘Blacknight’ full sun

Introduced by Germany's Jelitto Seeds in 2010, this seductive cultivar is the prized outcome of a diligent nearly 20 year-long breeding program, the Spotlight Hollyhock series, that touts superior A. rosea selections. 'Blacknight's tall truly perennial visage swaggers multiple hefty stalks with large single satiny blossoms in dark violet to saturated ebony shades, entrancing butterflies, hummingbirds and gardeners alike. Well-drained soil, yearly applications of compost and late season cut backs guarantee a pleasing vigorous habit plus bountiful long blooming flowers.

Blooms June–October

Size: 5' 0"–6' 0" high x 4' 0" wide; hardy to zone 3.

Alcea rosea ‘Blacknight’ (P-1872)
Each $7.75
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Other selections in this genus


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Perennials that cool down a hot summer day, refreshing foliage, soothing blooms, last chance to take advantage of our summer sale!

Bring sparkling beauty to your August plantings

Perhaps you’re looking for some soothing floral or foliar accents on a hot summer day! We’ve found that snowy white, clear pink, pale yellow and deep blue blooms coupled with silver, bluish green or emerald-toned leaves become refreshing counterpoints to warmer-hued flowers. They offer a place where your eye can rest, much like cleansing your palette when tasting wine. These shades meld the spicy-colored flowers of many Achillea, Crocosmia, Dahlia, Geum, Helenium, Kniphofia, Rudbeckia and Salvia.

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