Hollyhock is a biennial or a short-lived perennial. They need full sun and well-drained soil. When to prune hollyhocks. Collecting seeds.
Black Hollyhock - Seeds – Le Jardin de Julie
Image Common hollyhock (Alcea rosea), Eurasian smoke tree (Cotinus
Hollyhocks: how to grow alcea
Organic, Self-seeding biennial grows to 6-9 feet tall, Single blossoms in shades of white, pink, and red, Great for ornamental plantings in the
Seed Savers Exchange - Outhouse Hollyhock
An impressively tall flower, grows 3-8ft (1-2.5m), Flowers can range in colors usually red, pink or white, The flowers can be used to make tea,
Hollyhock (Alcea rosea) - Biennial - Flower - 75+ Seeds
25 Rare Bright Pink Purple Hollyhock Seeds Perennial Giant Flower
Hollyhock Seeds, Alcea rosea
Catalogue - CN Seeds
How to Plant Hollyhock Seeds - Eden Brothers Planting Guides
Seed Catalog - Fred C. Gloeckner & Company Inc.
Jerusalem Botanical Gardens - Bristly Hollyhock in bloom now Alcea