They are prone to hollyhock rust, a fungal infection that first shows as yellow spots on leaves, then develops into brown or rust colored bumps on the underside of the leaves. Preventing rust is much easier than trying to tame an outbreak. Watering from below, good air circulation and thorough late fall cleanup will go a long way in stopping rust from forming.
Any leaves that show signs of rust should be removed from the plant and disposed of to prevent further spread. There are cultivars that have been developed to be more rust resistant, such as Alcea rugosa varieties. Slugs, snails, spider mites and Japanese beetles can be problematic as well. Hollyhocks are seldom browsed by deer. In areas that get hard freezes, hollyhocks can be grown as annuals, starting seeds in containers and over-wintering indoors.
Water sparingly over the winter and gradually reintroduce them outside when the weather begins to warm up. In other areas where they can be left outside, prune them back to about 6 inches above ground level in the fall.
Cover with 4 to 6 inches of straw or mulch over the root zone and base of the plant. In spring, gradually remove in layers to slowly acclimate the roots.
Once new growth is emerging, remove all the straw or mulch. Recover in case of a spring freeze. One of the shortest varieties, its 3- to 4-inch, frilly-edged flowers bloom with season-long color. Its compact size makes it perfect for smaller gardens and containers.
Will flower the first year if planted in February. Color: Available in a variety of colors: yellow, pink, purple, red, white and salmon shown. These tend to be true biennials, blooming in their second year with fluffy double hollyhock flowers.
Old-fashioned hollyhocks with single or semi-double flowers will bloom the first year if planted early in spring. Cut back after flowering and you may get a second round in the fall. This dwarf variety has a bushy habit and fringed, semi-double flowers. Excellent for front or middle of borders or in containers. This variety will also bloom the first year if planted early enough. What is your soil like? I was trying to figure out why my three-month old hollyhocks were so massive.
Water it lightly every two days. I'd offer a photo but it's dark, but I just wanted to share that they were so massive that I was a bit concerned! Especially since the leaves were so heavy already that I wound up staking them with sticks all around. So apparently they like really heavy clay.
They only get hours of mid-noon sun and that's it. But they look like Jurassic Park. This is some odd soil. Everything grows incredibly large that I plant in it.
I think it most be very nitrogen rich, perhaps. But I still couldn't square the hollyhocks I've seen in photos with the ones I have growing. Quite sure they'll get awful rust though in winter and I'll have to put some other flower in front of them.
Eager to see them bloom next year. They are black and a nice sized bed of them with 15 or so plants. Likely I'll have to thin them to fewer. Sara B. Same here!! My soil doesn't seem TOO bad, but clay is the usual soil here. The leaves on my are enormous. I've cut them back several times because they block my garden path and are shading other flowers, hastening the powdery mildew. But everything I planted in the ground in this new to me yard has gotten huge.
My zinnias reached 7', which I didn't know was possible. My cosmos also reached 7'. Huge sunflowers. Really amazing. NHBabs z4b-5a NH the hollyhock leaves have already gotten some powdery mildew, as most everything does here by end of summer. We have mild days and cool, often moist very foggy nights.
Summers are mostly high 50s at night to low 70s in the day. Dry during the day, moist at night. Perfect climate for PM. I'll be cutting back most of the leaves of the hollyhocks soon in preparation for fall and winter planting and a temporary greenhouse.
I'll leave the plants and hope they come back and flower in the spring. Clay soil tends to hold both moisture and nutrients, and with reasonable drainage and added organic mater, that sound about ideal for many plants. Cleaning up diseased or old foliage to reduce spores, and trimming enough to allow reasonable air circulation both help control powdery mildew.
I plant sunflowers in front of the hollyhock to hide how mangled they get about this time. So I currently have just the tips blooming in my hollyhock, while I wait for the seeds to be ready to burst into a bag because with a move in doing slot of seed saving. I have some sweet peas that smell to die for that have certainly become one of my favorite parts of this spot.
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Email Save Comment Featured Answer. Like 2 Save. Sort by: Oldest. Newest Oldest. Like Save. Related Discussions Update this 50 year old cottage Q. Houssaon, I have to admit that when I first started this thread, that I had a vision of what I wanted and I guess I hoped that someone out there would suggest the same thing. The great part of this exercise is that no one was even close, yet all the suggestions were just as valid.
The link that you included is a beautiful design and something that would I would now consider. The mention of dark trim for the windows would have originally not have been one that I would consider, but seeing it done right changes everything.
I will take a couple of new pictures this weekend and post them. Awkward space Q. You have a big area to work with. If TV going here arrange so TV on back wall. Get a big tall long media dark wood. Big screen TV 50" or bigger. Float sofa in front of windows and chairs on either side of coffee table. Facing TV. Area rug and window covers as suggested above. Don't worry about getting to slider only need 3ft walkway and you would have it. Slider should not be a concern. Will attempt to stain glass my sidelights at the front door.
Removed the frosted glass panels before Thanksgiving and boarded the openings up The Holidays have come and gone, hope to get back to the project! The glass is purchased and all other supplies as well, this will be my first attempt at stain glass!! Wish me well.
Need new better ideas Q. Mixing hosta varieties can create great visual texture. Hydrangeas, another common shade choice, would bulk out too much for the width of that side bed unless you expand it a couple feet. If you aren't ready to commit to a plant, consider adding a piece of structural decor like a pedestal, garden tower, or a standing solar light. Good luck! Schoolhouse, I dont have powdery mildew on my hollyhocks or malva , I just come out and every day, there are holes in leaves or skeletons of leaves on the plants, the bugs have had a field day.
Like 1 Save. OK, so dont laugh at my meager hollyhocks,but here's a photo with first bloom : Skimpy in the leave dept, but very pretty flowers. NHBabs z4b-5a NH 6 years ago. Susan Clifton 5 years ago. NHBabs z4b-5a NH 5 years ago. Like 3 Save. NHBabs, great photo! I hope to get some hummers visiting mine as well.
Lol, I'm hooked on Hollyhocks! Wild Haired Mavens 5 years ago. Matt Conner 5 years ago. Eric 5 years ago.
Just an update! Still patiently waiting for flowers hahah! My single hollyhock looks like its budding too. Can't wait to find out what color it is. Mine is in bloom In cold climates, you can grow hollyhocks as annuals. Hollyhock flowering spires grow between 5 and 9 ft. The vibrant pink, white, red, yellow, or purple flowers look like hibiscus flowers or Rose of Sharon flowers. Dozens of flowers can grow on a single stalk, and the flowering part of the stalk can measure up to 2 ft.
Due to their tall height, hollyhocks are ideal for growing at the back of flower beds, along fences and walls, or staked to prevent the long stalks from snapping in the wind. Hollyhock flowers can be single or double blooms. Hollyhock flowers are identified by cup-shaped vibrant blooms that are single or double-flowered varieties.
Flowers growing on hollyhock plants can be shades of pink, red, yellow, purple, and white. There is also a spectacular hollyhock plant with black flowers. In most varieties, hollyhock flowers grow along the length of the upright stems. The tall tapering flowering spires create dramatic, colorful backdrops in summer gardens. Hollyhock flowers bloom during the warm summer months from June until August.
Because hollyhocks grow as biennials, the flowers bloom during the second year of growth. By removing spent flowers, you can enjoy the spectacular flowers through fall and until the first frost.
Hollyhock seed pods left and seeds right. Hollyhocks self-seed, or you can harvest the seeds from dried-out flowers from the start of August. Hollyhock plants are easy to grow from seeds. Start the seeds indoors about six to nine weeks before the last frost date. Growing in a moist, well-draining potting mix will take about 14 days for the seeds to germinate. After the risk of frost has passed, you can plant germinated hollyhock seedlings in a sunny part of your garden.
Hollyhock leaves are large, rounded leaves in a palmate or scalloped shape with five to seven lobes. An identifying feature of hollyhocks is the large round leathery leaves growing on long stems petioles. A common issue with hollyhock leaves is brown-orange leaf spots called hollyhock rust. This fungal disease typically occurs if there is too much moisture in the ground or extremely humid conditions.
In addition, hollyhock rust foliage damage can occur due to poor air circulation if the plants grow too close together. Hollyhocks Alcea rosea are impressive flowering plants that are easy to grow in your front or backyard. The two most essential aspects when growing hollyhocks is plenty of sunshine and fertile, moist, well-draining soil.
After planting, hollyhocks require minimal care to bloom throughout the summer until fall. How to plant hollyhock seeds: Sow hollyhock seeds in a light, soilless potting mix perlite, vermiculite and peat moss are ideal indoors about nine weeks before the last frost date.
The seedlings take two weeks to germinate and should grow for at least another five weeks indoors. Alternatively, you can plant hollyhock seeds directly in the ground a week before the last frost date. When to plant hollyhock seeds in the ground: When starting seeds indoors, transfer hollyhocks to the garden after the risk of frost has passed.
Plant the small plants 2 ft. During the first year, the biennials will grow tall and develop foliage. Blooming takes place the following year. Where to plant hollyhock flowers: Hollyhock plants grow best in full sun but can tolerate light shade. The plants are relatively drought tolerant but grow best in moist soil. The best place to plant hollyhocks is along a fence, wall or provide support with stakes.
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