Japanese Poinsettia
Euphorbia heterophylla
Last reviewed: July 2026

Light
full sun
Water
medium
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CA, CO and 24 more states
Browse plants for this ecoregion
Japanese poinsettia is an annual forb that grows 1-3 feet tall with colorful bracts that resemble its holiday namesake. It blooms from June through September and thrives in full sun with moderate water needs. Despite its common name, this plant produces small flowers surrounded by showy red and green leafy bracts.
In an HOA neighborhood
Japanese Poinsettia takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Often considered a weed by HOAs
- Can self-seed aggressively
- May look untidy as annual dies back
Wildlife value
This plant provides nectar and pollen for various small pollinators during its long blooming period. The seeds may also attract small birds later in the season.
Common questions
- How much sun does Japanese Poinsettia need?
- Japanese Poinsettia grows best in full sun conditions.
- When does Japanese Poinsettia bloom?
- Japanese Poinsettia blooms in June, July, August, and September.
- Where is Japanese Poinsettia native?
- Japanese Poinsettia (Euphorbia heterophylla) is native to AL, AR, CA, CO and 24 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Japanese Poinsettia HOA-friendly?
- Japanese Poinsettia takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Japanese Poinsettia? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz