![]() ![]() Be sure not to cover the stalks with the compost or to place a thick layer of compost right against the stalks, since this can cause moisture retention around the stems that can rot them. Spread a little compost around the base of the remaining stalks after pruning. At the end of the blooming season when the flowers fade, cut your hollyhocks back to just a few inches above the grown. To keep your plants healthier and extend their lifespan, deadhead flowers as they fade. You will also have showier blooms if you fertilize your plants about once a month. They are drought tolerant, but you will see better blooms with more water. Hollyhocks require regular watering until established and during hot, dry weather. This also means that your hollyhocks will creep into other areas of your garden, but you can transplant these seedlings to control the spread of your hollyhock population and to fill in open spots where tall plants are needed. Hollyhocks are self-sowing and will drop seeds during the blooming period that will germinate and grow, so, once you establish your hollyhocks, you can expect to continue to get new plants. If you prefer planting hollyhocks from seedlings, wait until a few weeks after the last frost, and then plant them 18 to 24 inches apart in your flowerbed. You can also start seeds in seed pots or a seed tray indoors to later transplant into your garden around the last frost in spring. It is best to water the soil before sowing the seeds to avoid washing them away or having them shift positions before germination. If you choose to plant hollyhocks from seeds, sow the seeds just below the surface of the soil about 18 inches apart. You can plant hollyhocks from seeds or seedlings. So, if you are working with a heavier soil, work compost into the soil to improve drainage before planting. ![]() If frost and freezes are not an issue where you live, you can plant in the fall, which could reward you with first-year blooms after the seeds sprout in spring.Ĭhoose a spot in your garden that gets full sun and is protected from the wind. If you live in an area where winter freezes are common, it is best to plant in spring. Hollyhocks can be planted in the spring or fall. However, it can be grown as a perennial, and its self-sowing nature can keep you flush with hollyhocks for years to come. Hollyhock is considered a biennial, which means the plant starts by growing foliage the first year, and then flowering and going to seed the second year. Since hollyhocks are known to attract pollinators, be sure to consider these beautiful blooms if you are planning a butterfly garden or want to support local bee communities.ĭepending on the variety you choose, hollyhocks mainly bloom throughout summer or from mid-summer to early fall. The height of hollyhocks also makes them a good choice for the back of borders or the center of island flowerbeds. The showy flowers on stalks that can reach a height of about nine feet make this a good choice for a natural privacy screen or to block the view of an unsightly shed or fence. Hollyhocks are a garden favorite often found in cottage gardens or growing along fences or buildings. ![]()
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