Black spruce
Picea mariana
Last reviewed: September 2026

Toxicity unknown
Black spruce (Picea mariana) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
high
Size
180"–720" H × 96"–240" W
Bloom
May, Jun
Native to
CT, IL, MA, ME and 9 more states
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Narrow, spire-shaped evergreen conifer with short blue-green needles and small egg-shaped cones clustered near the branch tips, growing in cold bogs, swamps, and rocky uplands.
Wildlife value
Dense evergreen canopy and cones provide year-round food and shelter for birds and small mammals, including seed-eating finches.
Common questions
- How much sun does Black spruce need?
- Black spruce grows best in full sun conditions.
- When does Black spruce bloom?
- Black spruce blooms in May and June.
- Where is Black spruce native?
- Black spruce (Picea mariana) is native to CT, IL, MA, ME and 9 more states, per the World Checklist of Vascular Plants (Kew).
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Black spruce? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz