Genus Information
Sun Requirements
Alcea rosea Nigra can handle either an exposed or a sheltered position and requires full sun to thrive, this consists of more than six hours of direct sunshine per day.Hardiness
Black Hollyhock is fully hardy.
Growth Information
Alcea rosea Nigra is quite a fast grower and in the right conditions will reach its full size in 2-5 years. It can reach heights of up to 2m and will spread up to 1m.
Flowering
Alcea rosea Nigra produces purple and black flowers. These flowers will be produced between June to September.
Foliage
Black Hollyhock is a deciduous plant and produces green foliage and will benefit from being cut back once it has finished flowering to promote growth next year.
Wildlife, Pests and Diseases
Alcea rosea Nigra can have problems with Slugs and Caterpillars, it can also be vulnerable to certain diseases such as Rust. Also known to attract bees and other pollinators but is not considered to be toxic .
Soil Requirements
Black Hollyhock likes a soil won’t hold on to much water, doesn’t like sitting in the wet and it can be planted in soil of any pH.

SMART GARDEN CLASSIC 4 TIER GRO-ZONE
PREMIER DECORATIONS STAR STARBURST 240 LED COOL WHITE
TILDENET PEAT FREE STRIPS
WRENDALE PLUSH TOY HARE
THE ENGLISH TABLEWARE COMPANY ARTISAN LATTE MUG HARE
SOMERSET TOILETRY CO AAA HAND WASH LILY OF THE VALLEY 500ML
WRENDALE CANVAS SMALL THAT FRIDAY FEELING
MADISON SAGE SCATTER CUSHION
GIBSONS BOURTON ON THE WATER 1000 PIECE JIGSAW
WRENDALE CANVAS SMALL LETTUCE BE FRIENDS
GROWTH TECHNOLOGY CACTUS REPOTTING MIX 8LTR
ASHLEIGH & BURWOOD LAMP FRAGRANCE 500ML FREESIA & ORCHID
WESTLAND PERLITE
TILDENET 15 CELL INSERTS (PACK OF 5 TRAYS)
Walton & Co Pink Chevron Cotton Throw
EUGY 3D PARROT
GIBSONS THE BRANDS THAT BUILD 1000 PIECE JIGSAW 