Field ManualAll plants

Siberian crabapple
Malus baccata (L.) Borkh.
Family: Rosaceae
Pet & Human Safety
People: No hazard foundPets: Toxic to pets
Pet verdict: toxic. ASPCA has an "Apple" page (whole-genus, not a Malus baccata page specifically) listing toxic. Do not treat as pet-safe.
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
zone 2 per North Dakota State University Extension; USask writes its tree list for a Zone 3 garden (list-wide statement, not a plant-specific rating)
- Light
Full sun to part shade per NDSU.
- Water needs
moderate moderate is NDSU's own word ("Water: Medium"). Always finger-test two inches down.
- Mature size
NDSU: 25-45 ft tall, medium growth; the largest tree in North Dakota is 32 ft tall with a 40 ft canopy spread
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.
Get the app: coming soonVintage Plates
Vintage Plates
Old botanical drawings from public libraries are in the app, for plants where we have them.
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