Hollyhock Nigra (Alcea rosea) – tall plants with ruffled black flowers and closed buds

Hollyhock Nigra

£2.20
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Hollyhock Nigra (Alcea rosea) – tall plants with ruffled black flowers and closed buds
RHS Plants for Pollinators

Hollyhock Nigra

Alcea rosea 'Nigra'

4 reviews

The legendary heritage Hollyhock with near-black maroon-purple single flowers and small yellow eyes — rising 2m against walls. Continuously cultivated since the 1600s.

£2.20

Free UK delivery on seed orders over £30

Dispatched from our Norfolk farm — Royal Mail, usually within one working day.

Your growing year

Sow, plant out and flowering months for this variety

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sow
Plant out
In flower
SowPlant outIn flower

At a glance

Height
1.8-2.4m
Spread
60cm
Spacing
60cm
Position
Full sun
Colour
Purple
Seeds per packet
50
Soil
Rich, moist, well-drained soil, preferring sandy to clay loam
Grow guide How to grow Hollyhock Nigra Read the full guide →

About this variety

The near-black hollyhock, and closer to true black than almost any flower gets. Open single saucers the colour of crushed blackcurrant, each with a small yellow eye at the centre, held in dense columns up two-metre stems.

It has been in English gardens since the 1600s, which is a long run for a garden plant, and it was a favourite of Thomas Jefferson's. Being a single rather than one of the heavy Chater's doubles, bumblebees can get straight into the centre, so it earns its place in a wildlife garden as well as a Gothic one.

Site it against something pale. Near-black flowers vanish against a dark hedge or a brick wall in shadow; against whitewash, weathered timber or pale stone the colour reads true and the yellow eye does its work.

Rust is the usual hollyhock problem and this one is no more resistant than any other. Expect orange pustules on the lower leaves by midsummer, water at the base rather than over the foliage, and pull spent plants rather than nursing them. The stems and leaves are bristly and can irritate skin, so wear gloves.

RHS Plants for Pollinators

This plant has been assessed by the Royal Horticultural Society and recommended as especially beneficial to bees, butterflies and other pollinators. Growing plants like this directly supports UK pollinator populations — something close to our hearts at Salle Moor Hall Farm, where we see the difference a cottage garden full of the right plants can make.

Learn more at RHS.org.uk →
  • 5 stars: 4 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
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  • 1 star: 0 (0%)
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Bridget Geoghegan
Hollyhock Nigra Seeds

The Hollyhock Seeds arrived promptly last week nicely packaged. The Seeds were sown the next day and as usual with Bishby Barnabee Seeds the healthy little seedlings emerged in a couple of days and are growing nicely into sturdy seedlings - thank you.

B
Bridget Geoghegan
Hollyhock Nigra Seeds

The Hollyhock Seeds arrived promptly last week nicely packaged. The Seeds were sown the next day and as usual with Bishby Barnabee Seeds the healthy little seedlings emerged in a couple of days and are growing nicely into sturdy seedlings - thank you.

t
tracy cole
Hollyhock Nigra

Seeds germinated within a week of sewing. Very pleased with the quality. The shop is lovely to navigate, prices are very reasonable and overall service is 100%.

I am definitely a satisfied customer and have been back and bought more seeds

t
tracy cole
Hollyhock Nigra

Seeds germinated within a week of sewing. Very pleased with the quality. The shop is lovely to navigate, prices are very reasonable and overall service is 100%.

I am definitely a satisfied customer and have been back and bought more seeds