Printer Friendly Version Print Plant Details

Alcea rosea 'Black Knight'

Photo Courtesy of Walters Gardens

Photo Courtesy of Walters Gardens

Series: Spotlight

More About Alcea rosea 'Black Knight'

  • Deep blackish-purple single flowers on tall sturdy stalks
  • Vigorous upright perennial
  • Rounded hairy light green foliage
  • This cultivar bred to resist rust
  • Bloom Time: Mid to late summer

Zone:

3

Height:

150-170 cm

Spread:

60-70 cm

Colour:

Purple (deep)
You must be logged in to
view availability and prices.
×

Hollyhock Growing and Maintenance Tips

Grows best in a moderately fertile, average to moist, well-drained soil, in full sun. May require staking if planted in exposed sites. 


Alcea rosea 'Black Knight' Characteristics

Full Sun
Full Sun
Attracts Butterflies
Attracts Butterflies
Attracts Hummingbirds
Attracts Hummingbirds
Deer Resistant
Deer Resistant
Cut Flower/Foliage
Cut Flower/Foliage

Soil Moisture

Well-drained
Moist to Average

Growth Rate

Medium

Attributes

Juglan Tolerant

Flowering Time

Lt. Sum-Fall
Summer

Habit

Clumping
Upright

Foliage Color

Green

Landscape uses

Foundation planting

 Suitable Substitutions for Alcea rosea 'Black Knight'