Field ManualAll plants

Snapdragon
Antirrhinum majus
Origin: Southwestern Europe and the Mediterranean region
- Cool-Season Annual
Pet & Human Safety
People: Not researchedPets: Not on the ASPCA lists as we read them
Non-toxic to dogs, cats, and horses, per ASPCA's Common Snapdragon page. NC State Extension's entry for this species agrees.
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
7a - 10b (NC State Extension); grown as a cool-season annual farther north
- Water needs
moderate
- Mature size
6 in (dwarf/bedding types) to 4 ft (tall cutting types) depending on cultivar.
- Family
Plantaginaceae (formerly Scrophulariaceae)
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.
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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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