Field ManualAll plants

Swedish columnar aspen
Populus tremula L. 'Erecta'
Family: Salicaceae
Pet & Human Safety
People: No hazard foundPets: Not on the ASPCA lists as we read them
No ASPCA page found for Populus tremula. 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
zones 2-7 per Utah State's characteristics table (its text says 2-6); Red Deer lists it among plants of hardiness zone 3 or below (list-wide qualifier, not a plant-specific statement)
- Light
Full sun per Red Deer; Utah State: very shade intolerant.
- Water needs
moderate moderate is a plain-language reading: Utah State rates drought tolerance medium and poor-drainage tolerance medium; Red Deer classes it dry to moist. Always finger-test two inches down.
- Mature size
CA: USask: about 40 ft tall and 5-7 ft wide; US: Utah State: 30-60 ft tall, stays very narrow (under 10 ft wide); medium growth
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