Considered a biennial Hollyhock will only flower for one full growing season. The best way we find to grow hollyhock is to sow these directly in your garden from late summer until at least two weeks before your first frost in early fall. Hollyhock will not germinate when temps are 60 or below and need several days of temps in the 70's to germinate.
Work enriched garden soil 6" deep and scatter your seeds and then top with a light dusting of compost or peat. One of the biggest mistakes made with holly hock sowing the seeds too deep as they need light to germinate. The seeds will germinate, and develop roots over winter, and flower the following spring and summer. The last picture is a hollyhock that is about 30 days old that direct seeded in the garden on October 1st here in zone 7.
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