For this reason, it is difficult to transplant mature hollyhock plants. Instead of moving entire hollyhock plants, it is better to either gather the seeds and plant them where you want them the next year, or wait until the seedlings emerge the next year and transplant the seedlings to a new location.
Some varieties of hollyhocks can grow as tall as 6 ft. These varieties are not suited to growing in containers. However, there are some dwarf varieties of hollyhocks that can be successfully grown in containers, such as in a whisky or wine barrel.
Just make sure to check the soil frequently to see if it needs watering, as containers will dry out fairly quickly in the summertime. Water when it feels dry more than 1 inch deep into the soil. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. This post may contain affiliate links. Full disclosure: I get commissions from purchases made through links in this post. Related to the hibiscus, the tall stalks of gorgeous flowers appear biennially and mainly in USDA plant hardiness zones 3 through 9.
Mature hollyhocks have long tap roots so transplanting it may kill it. That said, if you simply must move the plant, do so now — in fall — and do so carefully. As soon as it finishes blooming, cut the flower stalks to about 5 inches in height.
Then, start scouting a new location. Hollyhocks require lots of sunshine and little wind the stalks can snap easily when winds gust. Make sure no water gets on the leaves. Spread a one or two inch layer of mulch around the seedling. Make sure to keep the weeds down by mulching around the plants or by simply pulling the weeds up and out. The best time to pull weeds out is right after a rain, while the ground is loose.
Water the hollyhock transplants at least once a week to support the roots. The best time to water the plants is in the morning, and the worst time is at dusk. Watering this late in the day encourages disease. When new leaves start to appear on the plant, give it some light fertilizer. As they grow taller, some hollyhocks may need staking to keep them from falling over.
Caring For the Hollyhocks After Transplanting Make sure to keep the weeds down by mulching around the plants or by simply pulling the weeds up and out.
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