Blueberry care — light, water, toxicity and hardiness
Blueberry (Vaccinium corymbosum) wants full sun and a drink about every 3 days once established. It is hardy in USDA zones 3 to 8.
| scientific name | Vaccinium corymbosum |
|---|---|
| family | Ericaceae |
| category | fruit |
| plant type | perennial |
| light | full sun |
| water cadence days | 3 |
| soil | Acidic (pH 4.5-5.5), moist, well-draining |
| min zone | 3 |
| max zone | 8 |
| frost tolerant | true |
| edible | true |
How often should I water Blueberry?
Steady moisture; blueberries have shallow, fussy roots.
What soil does Blueberry want?
Acidic (pH 4.5-5.5), moist, well-draining
Is Blueberry toxic?
We do not have a verified toxicity record for this species, so we will not say either way. Treat it as unknown around pets and children until a vet or a poison-control source says otherwise.
Who eats it
Palatable to browsing animals such as deer: medium. Palatable to grazing animals: low. Palatable to people: yes.
What it needs
Its shade tolerance is low. Its moisture use is medium. Its drought tolerance is low. It wants at least about 32 inches of rain a year. Above roughly 50 inches of annual rain it struggles. It tolerates soil down to pH 4.7. It tolerates soil up to pH 7.5. Its fertility requirement is medium. Adapted to coarse, sandy soils: yes. Adapted to medium, loamy soils: yes. Adapted to fine, clay soils: yes. Its tolerance of waterlogging is medium. It needs at least 100 frost-free days. Its salt tolerance is high. Its tolerance of chalky soil is low. Its fire tolerance is high. Fire resistant: no. It has been recorded down to -33°F. It suppresses neighbours chemically: no.
How it grows
It grows as a multiple stem form. Its growth rate is moderate. Its lifespan is moderate. It puts on most of its growth in spring and summer. It spreads by seed at a slow rate. It resprouts after damage: yes. Coppices: no. Its tolerance of hedging is low. At maturity it reaches about 12.0 feet. By twenty years it is about 12 feet. Its roots go down at least 16 inches. Its shape is erect. It holds its leaves through winter: no.
What it looks like
It blooms in early summer. The flowers are white. Conspicuous in flower: no. The foliage is green. The foliage texture is medium. In summer the canopy is dense in porosity. In winter it is moderate in porosity. Fall colour: yes. The fruit or seed is blue. Fruit begins in summer. Fruit finishes by summer. It fruits medium. The fruit persists on the plant: no. The fruit is conspicuous: yes.
Growing more of it
Propagated by seed: yes. Propagated by cuttings: yes. Propagated by container: yes. Propagated by bare root: yes. Propagated by bulb: no. Propagated by corm: no. Propagated by tubers: no. Cold stratification required: no. Seedling vigour is low. Commercial availability: routinely available.
Source: USDA PLANTS Database; US Cooperative Extension horticulture publications · 2026-09-02