Alcea rosea flowers will reseed themselves every year, which is great news for pollinators who come after their nectar year after year. Feed with 75-100 ppm N at each watering or topdress with a CRF at a medium rate. The hollyhock, Alcea, is a classic English cottage garden plant, forming tall erect racemes of large, fully open blooms from summer to early autumn. Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial, not biennial. Alcearosea 'Blacknight'. Near-black shades, Average Soil Quality Fertile Soil Quality, Acidic Soil (pH < 7.0) Neutral Soil (pH = 7.0) Alkaline Soil (pH > 7.0), Attracts Butterflies Attracts Hummingbirds Bee Friendly, Border Plant Cut Flower Cut Foliage Dried Flower Mass Planting Specimen Focal Point, About Us • Alcearosea 'Blacknight'. Spotlight Series is being introduced by Jelitto in 2010 with four single color strains including deep black-purple, red, yellow, and white. Mallow flea beetle, capsid beetle, caterpillers, two-spotted mites, Japanese beetle, slugs, stalk borer.Leaf spot(Cercosporella), rust, anthracnose, crown gall, Pythium root rot.Rust can overwinter on debris left from the previous growing season. Near-black shades, Average Soil Quality Fertile Soil Quality, Acidic Soil (pH < 7.0) Neutral Soil (pH = 7.0) Alkaline Soil (pH > 7.0), Attracts Butterflies Attracts Hummingbirds Bee Friendly, Border Plant Cut Flower Cut Foliage Dried Flower Mass Planting Specimen Focal Point. They will look elegant in any garden. Description. rosea Spotlight Series was introduced by Jelitto in 2010 with multiple single color strains including deep black-purple, red, pink, yellow, and white. ... rosea. • P.O. Ordering • Established Alcea plants will require more consistent watering. If early flowering is desired, it is recommended to provide at least 14-hour photoperiods or night interruption lighting when the natural day lengths are less than 14 hours. FULL Sun Deep black-purple, single flowers are produced on tall, sturdy stalks in midsummer. Resources Alcea rosea 'Blacknight' (Hollyhock) Providing architectural height to borders, Alcea rosea 'Blacknight' (Hollyhock) is a robust perennial which produces tall, sturdy spikes of funnel-shaped, deep black-purple, single flowers, 4 in. across (10 cm), with a bright buttery-yellow throat. Please Login to use the "Wishlist" Feature. Our Hollyhock plug pl Other colors in the series are red, pink, yellow and white. They were usually relegated to the back of a sunny border, with something in front to hide their bare lower stems. Alcea Rosea-hybr spotlight series blacknight quantity. Hollyhock Blacknight - Common name:Alcea - There is nothing old-fashioned about these deep dark remarkable flowers. Unlike other hollyhocks that are biennials, Blacknight is a perennial. Other than their fabulous blossoms, one of the best traits about this series is that the plants are truly perennial, not biennial. www.waltersgardens.com • www.perennialresource.com • www.provenwinners.com However this is no longer necessary with this new strain. Ships in 3" pot. The Alcea rosea Spotlight Series was introduced by Jelitto in 2010 with multiple single color strains including deep black-purple, red, pink, yellow, and white. Alcea rosea, the common hollyhock, is an ornamental dicot flowering plant in the family Malvaceae.It was imported into Europe from southwestern China during, or possibly before, the 15th century. Alcea Spotlight Blacknight. (Hollyhock) Dramatic deep black-purple flowers appear on Alcea ‘Blacknight’ in mid summer. Search Plants; Explore Collections; Our Differences Hollyhocks provide excellent architectural height in the garden and make good backdrops for lower growing perennials. Height / Spread: 5 to 6 feet tall, 1 to 2 feet wide . This compact plant produces tall flower towers, excellent for cut flower arrangements. With their tall spikes, hollyhocks are a favorite for back borders or planted along a fence in a cottage garden. The 5-6′ tall sturdy stems will form the perfect foundation for a background border on your perennial garden. The Spotlight series was recently bred and introduced by Jelitto Seeds of Germany. Alcea should be vernalized for 6-8 weeks at 40° F or below. Questions? These hardy plants will grow to 6 feet tall with branches of 4-5" single blossoms. Apply a preventative fungicide at transplant. Blacknight Hollyhock, Alcea, produces large deep purple, almost black single flowers on sturdy stalks in summer. Though they don't have much flavor, they make a showy edible garnish for summer dishes. Purple shades Feel free to grow hollyhocks under Black Walnut trees; they are tolerant of the toxic juglone that is emitted through the trees' roots. Allow plants at least 6 hours of full sun. 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