Blue Elderberry
Sambucus mexicana
Last reviewed: September 2026
Sambucus mexicana, known as blue elderberry, grows as a small tree in canyons, washes and streambanks across the desert Southwest, blooming from May through July with flat clusters of small white flowers.

Toxicity unknown
Blue Elderberry (Sambucus mexicana) 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
medium
Size
120"–360" H × 120"–240" W
Bloom
May, Jun, Jul
Native to
AZ, CA, NM, NV and 1 more states
Pollinators
bees, butterflies, beetles
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.
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Mexican elderberry is a large deciduous shrub or small tree with clusters of creamy white flowers in late spring and summer. It produces dark blue berries that can be used for jams or left for birds, and features compound leaves that provide dappled shade.
Growing Blue Elderberry
Grow Blue Elderberry in full sun and medium water. Mature plants reach 120 to 360 inches tall and spread 120 to 240 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Blue Elderberry is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: mid zone, foundation.
- Can appear somewhat rangy without regular pruning
- Deciduous nature means winter bareness
- Size may overwhelm smaller front yards
Wildlife value
Host plant for mourning cloak butterfly.
Excellent wildlife plant that attracts bees, butterflies, and beetles to its nectar-rich flowers. Birds are drawn to the berries, making it a valuable multi-season support plant.
Common questions
- How much sun does blue elderberry need?
- Blue elderberry grows best in full sun but can tolerate part sun and part shade, especially in hot inland climates where some afternoon shade eases water stress.
- How much water does blue elderberry need?
- This tree is often found along streambanks and in washes where water is plentiful, but once established it also tolerates drier upland sites with only medium or low water.
- When does blue elderberry bloom?
- Blue elderberry typically blooms from May through July, producing flat topped clusters of small white flowers.
- What pollinators visit blue elderberry flowers?
- Bees, butterflies and beetles are frequent visitors to the broad flower clusters of blue elderberry.
- What kind of habitat does blue elderberry grow in?
- It is commonly found in canyons, desert washes, floodplains and along streambanks, often forming part of riparian woodland in arid and semi arid landscapes.
- Is Blue Elderberry HOA-friendly?
- Blue Elderberry is generally an HOA-friendly choice in the right placement, with moderate maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. 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 Blue Elderberry? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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