Perennial hibiscus, on the other hand, need to wait 1-2 weeks after the frost free date has passed. These stately beauties belong to the Mallow (Malvaceae) family, which includes an unbelievable 1500 different species out of which 27 genera are found throughout North America. Seeds can be sown directly outdoors about a week before last frost. Hollyhocks are easy to grow and their blooms come in a wide range of jewel colours, flowering from early summer to autumn. Anise hyssop, catmint, columbine, coreopsis, echinacea, gaillardia, helianthus, hollyhock, monarda, thyme, and yarrow. I'm planting new bulbs and have no idea if the hollyhocks are supposed to be laid out, or if you have to try to put them in like carrots grow? Hollyhocks originated in Asia and the area around the Eastern Mediterranean Sea. Height – 4 to 8 feet (120 to 250 cm) Exposure – full sun Soil – ordinary. The recommended planting time is fall. Most hollyhocks are biennial, meaning they bloom every other year. Flowering – July to September. Hollyhocks have long taproots, so if seeds are started indoors, use tall, individual pots and transplant early to avoid damage. Grow hollyhocks in moist but well-drained, light soil in a sunny spot. Just place the roots with the root tips down and the stem ends up, in a hole that is deep enough so that the base of the stems will be at the surrounding ground level when you fill in the planting hole. Hollyhock is a true summer marvel with its magnificent flowers.. Summary of hollyhock facts. However, bulbs can be stored in the refrigerator if needed until planting. Rudbeckia and violas are a little hardier and can go out in the garden 1-2 weeks before the last frost. If timed right, this should be as soon as possible after purchase. They bloom the following year, unless brutal winter weather kills them. I've never had hollyhock bulbs this size before. Let seeds develop after flowering before removing and composting the plants, so you can sow seeds of the following year’s hollyhocks without paying a penny for them. Taller varieties may need staking. PLANTING BULBS WHEN TO PLANT BULBS. If you plant the seeds in the spring, you may have to wait a full year before you see blooms. Name – Alcea rosea Family – Malvaceae Type – perennial. The first year, biennial hollyhocks grow vegetatively; that is, they produce only stalks, stems, and leaves—no flowers. Sow at just ¼ inch deep and about 2 feet apart. How to grow hollyhocks. How and when to plant hollyhock seeds: Hollyhocks are easily started from seed indoors or out. Zones 4 to 7: In colder climates, spring-flowering bulbs can be planted as soon as the ground is cool, evening temperatures average 40° to 50°F, and it is at least 6 to 8 weeks before the ground freezes. Because of their long taproots, hollyhocks don’t like to … Sowing and caring for hollyhocks is easy, and they have the great advantage of reseeding themselves every year without needing help! In gardening zones 6 through 8, plant hollyhock seeds February through March or September through October. If you plant seeds in the fall, hollyhocks have a good chance of blossoming in the next year. Answer: Hollyhock seeds can be sown outdoors in either pots or in seedbeds in late summer. Their tall spires look good grown against walls and fences and are stalwarts of cottage gardens. They look like the pathetic carrots your child brought home, so proud, from a science class on photosynthesis. You may choose from a wide variety of hollyhocks, dwarf to tall, single or double blooms. Hollyhocks have roots (but they don't have bulbs). In the fall, before the ground freezes, or in the spring after the ground has thawed, move the plants to a permanent location in the garden. 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