Series: Spotlight

Alcea rosea 'Blacknight'

Blacknight Hollyhock

Categories: Herbaceous Perennial

For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color, single flowered Hollyhocks.  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.

More About Alcea rosea 'Blacknight'

  • Jelitto Seeds of Germany intro 2010
  • strong grower...less disease prone

This selection features tall spikes of large, old-fashioned single flowers in purple-black with a yellow eye over a low mound of foliage. Flowers appearing the first season. Cut plants back to 8 inches after blooming


4-6 ft


1-2 ft

Hardiness Zone:


Alcea rosea 'Blacknight' Characteristics


  • Dried Flower
  • Mass Plant
  • Specimen
  • Border
  • Cut Flower / or Foliage
  • Cottage Garden


  • Sun Tolerant
  • Does best in full sun

Growth Rate in the Garden

  • Rapid

Nature Attraction

  • Songbirds
  • Butterflies
  • Hummingbirds

Season of Interest (Flowering)

  • Summer
  • Late Summer

Soil Moisture Needs

  • Average
  • Moist

Flower Color

  • Purple


  • Upright
  • Pyramidal