Blueberry care guide
Vaccinium
Also known as: Highbush blueberry, Rabbiteye blueberry
Pets and children
We haven't been able to confirm how this plant affects pets or small children. If any is eaten, consult a veterinarian or a doctor.
How often to water Blueberry
- Spring–Summer (Mar–Sep)
- Every day
- Shallow-rooted and quick to suffer from drought: water thoroughly when the topsoil dries, about daily for a pot in summer, morning or evening.
- Autumn (Oct–Nov)
- Every 2 days
- As a guide, water every two to three days once the surface is dry, since the soil dries more slowly.
- Winter (Dec–Feb)
- Every 4 days
- Dormant and leafless, but do not let it go bone dry: about every three to five days once the soil dries.
Light and placement for Blueberry
As a guide, a sunny spot outdoors; with too little sun it sets few, less sweet berries, and generally the pot is best kept out of hot afternoon sun so the soil does not overheat.
Overwintering Blueberry
Overwintering guide: −10°C (14°F) or above
A hardy deciduous shrub that generally winters outdoors; it needs winter chill to fruit, so keep it outside, with a pot under the eaves as a guide to avoid the roots freezing solid.
Fertilizing and repotting Blueberry
Fertilizer
It likes acidic soil: as a guide, a blueberry or ammonium sulfate-based fertilizer in small doses in March, May and after harvest in August or September, generally avoiding lime and ordinary fertilizers.
When to repot
Autumn (Oct–Nov), Winter (Dec–Feb)
Common problems with Blueberry
- Planted in ordinary potting mix, the leaves yellow and it stalls.
- A single bush sets very little fruit.
- A summer dry spell browns the leaf edges and shrivels the berries.
- Birds take the ripe berries first.
Tips for growing Blueberry
- Use a peat-based acidic mix and mulch the surface to protect the shallow roots.
- Two varieties of the same group planted together pollinate each other and crop better.
- Berries are sweetest picked a few days after they turn fully blue.
These are AI-generated general guidelines. They vary with the variety, the placement and the pot size. For effects on pets or children, consult a veterinarian or a doctor.
Keep your plant log going
Greenery is a free app that keeps your plant care going, with watering reminders and photo records. Available on iOS and Android.
