Hollyhock - Alcea rosea

Hollyhocks like rich, free draining soil in a sunny position. They are perennials, but are usually grown as biennials.

They can suffer from rust, there's not too much that you do about this, apart from remove the plant after flowering. However, companion planting with Achilla millefolium (common yarrow), the leaves and roots are rich in copper which is a natural fungicide, which may help.

They will self-set freely or pick off the seed heads and sow the seeds as soon as the are ripe in pots or open ground in autumn, they will flower the following year.

Suggested sowing time:


(Key: sow indoors,   sow outside,   sow outside under cover.)

Cultivars and varieties:

Alcea rosea 'Chater's Double' - This short lived perennial has a frilly, double flowers. It is named after the nurseryman W. Chater who grew hollyhocks in his garden in the 1840-50's.

Alcea rosea 'Chater's Salmon Pink'

Alcea rosea 'Chater's Scarlet'

Alcea rosea 'Chater's Yellow'

Alcea rosea 'Nigra' - Has a deep red/maroon flower.

Seeds to sow now:

Indoors or in a heated greenhouse

Alyssum

Antwerp hollyhock, Fig-leaved hollyhock, Hollyhock

Aubretia, Rock cress, Aubrieta, Aubrietia

Bell pepper, Pepper, Sweet pepper

Bristly hollyhock

Brussels sprout

Cardoon

Cauliflower

Celery

Columbine

Common hollyhock

Cress

Cucumber

Hollyhock

Leek

Lettuce

Lobelia

Ornamental pepper

Pepper

Petunia

Salvia

Tomato

Outside

Alyssum

Parsnip

Spring onion

Outside under cover

Brussels sprout

Cabbage

Carrot

Cauliflower

Cucumber

Lettuce

Onion

Pea

Radish

Turnip

What else to plant now:

Apple & pear trees (bare rooted)

Roses (bare rooted)

 

 

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