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PlantFiles: Hollyhock
Alcea rosea 'Nigrita'

 
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Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Alcea (al-KEE-uh) (Info)
Species: rosea (RO-zee-uh) (Info)
Cultivar: Nigrita

Synonym:Althaea rosea

3 members have or want this plant for trade.

Category:
Biennials

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Sun Exposure:
Full Sun

Danger:
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Maroon (Purple-Brown)

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous
Velvet/Fuzzy-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

By eala
Thumbnail #1 of Alcea rosea by eala

By tubbss5
Thumbnail #2 of Alcea rosea by tubbss5

By tubbss5
Thumbnail #3 of Alcea rosea by tubbss5

By vswilliams
Thumbnail #4 of Alcea rosea by vswilliams

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive berrygirl On Mar 4, 2007, berrygirl from Braselton, GA
(Zone 7b) wrote:

While I don't grow this particular named one, I do grow another "black" hollyhock- 'The Watchman'. In my humble, non-expert opinion there isn't much difference in them at all. The only differences I have noted are the fact that there are "black" single flowered varieties and also there are double flowered ones. Irregardless of what name they go by I love them!

From the Seed Saver's Exchange: "Grown by Thomas Jefferson at Monticello, but mentioned even earlier by John Parkinson in 1629. He described this single hollyhock as being "of a darke red like blackwood." Appears black on overcast days, but will have a hint of red in the bright sun. Plant next to a white fence for a spectacular contrast. Self-seeding biennial, 5-6' tall."

Neutral tubbss5 On Jun 27, 2005, tubbss5 from Aurora, IL wrote:

Also can be found as Alcea rosea 'Nigra'

Regional...

This plant has been said to grow in the following regions:

Aurora, Illinois
Cookeville, Tennessee



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