Field ManualAll plants

Rose mallow
Muenchhusia moscheutos (L.) M.M.Hanes & R.L.Barrett
Family: Malvaceae
Pet & Human Safety
People: No hazard foundPets: Not on the ASPCA lists as we read them
No source gives a verdict for this species. Do not assume it from Hibiscus syriacus. Any plant can upset a pet's stomach; call a vet or the ASPCA Poison Control line if a pet eats a lot of it.
PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.
Poison control
If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.
Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.
Naturalist Lore
Historical Background & Breeding Lore
The history of this plant and its name, and how it was bred, where we have them.
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- Hardiness zones
USDA zones 4a to 9b (NC State Extension). Zone 10 is not listed.
- Water needs
high (wet to constantly moist soil)
- Mature size
2 to 6 feet tall and 2 to 5 feet wide (NC State).
- Where it comes from
Wetlands and creek edges in the southeastern United States; NC State's range is southeast Canada, the central and eastern United States and northeast Mexico, with Florida on its state list.
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
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Botanical Anatomy & Characteristics
How the flowers and leaves are built and which pollinators visit, where we have them.
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Field Doctor
What can go wrong with this plant and what to do about it, where we have them.
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Vintage Plates
Old botanical drawings from public libraries are in the app, for plants where we have them.
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