Field ManualAll plants

Eastern redbud
Cercis canadensis L.
Family: FabaceaeZones: 4a to 9b per NC State Plant Toolbox
Pet & Human Safety
People: Not researchedPets: Not on the ASPCA lists as we read them
Dogs, cats, horses: no source makes a pet toxicity statement. NC State has no poison severity line for this plant.
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.
Get the app: coming soonCare
- Hardiness zones
USDA 4a to 9b per NC State Plant Toolbox
- Light
Full sun to part shade.
- Water needs
moderate
- Mature size
NC State: 20 to 30 ft tall (6 to 9 m) and 25 to 35 ft wide (7.6 to 10.7 m) in the quick facts; the text says 20 to 35 ft wide. Clemson: 20 to 30 ft tall and 15 to 35 ft wide. Varieties are often smaller, for example NC State gives 'Ace of Hearts' as 10 to 12 ft tall.
- Where it comes from
NC State: eastern and central North America; New Mexico north to Nebraska, east to Michigan and Ontario, south through Pennsylvania and Massachusetts to Florida. Clemson: native to the eastern United States and Canada.
How to prepare the soil, when and what to feed, and how and when to prune where that applies.
Get the app: coming soonAnatomy & Guilds
Botanical Anatomy & Characteristics
How the flowers and leaves are built and which pollinators visit, where we have them.
Get the app: coming soonField Doctor
Field Doctor
What can go wrong with this plant and what to do about it, where we have them.
Get the app: coming soonVintage Plates
Vintage Plates
Old botanical drawings from public libraries are in the app, for plants where we have them.
Get the app: coming soon