How Tall Does A Blueberry Tree Grow

A blueberry tree doesn’t actually grow tall because blueberry plants aren’t trees at all.
 
They’re flowering shrubs that belong to the genus Vaccinium, and they grow to different heights depending on the specific variety you plant.
 
So if you’ve been searching for how tall a blueberry tree grows, the honest answer is that there’s no such thing as a blueberry tree.
 
Instead, you get a blueberry bush that ranges anywhere from 6 inches to 12 feet tall, depending on the cultivar.
 
In this post, we’ll dig into how tall blueberry plants grow, what factors affect their size, and how to pick the right one for your garden.
 
Let’s get into it.
 

How Tall Does a Blueberry Tree Grow?

Since blueberry plants grow as shrubs rather than trees, their height depends entirely on the variety you choose.
 
Here’s a breakdown of how tall different types of blueberry plants typically grow:
 

1. Lowbush Blueberries Grow 6 to 24 Inches Tall

Lowbush blueberries are the shortest type, usually growing just 6 to 24 inches tall.
 
These are the wild blueberries you’ll find in places like Maine and eastern Canada.
 
They spread slowly through underground runners and work great as a ground cover in cold climates.
 
So when someone asks how tall a blueberry tree grows, lowbush varieties are proof that some blueberry plants barely reach knee height.
 

2. Rabbiteye Blueberries Grow 6 to 12 Feet Tall

Rabbiteye blueberries are the tallest of the bunch, often reaching 6 to 12 feet tall.
 
They thrive in the warmer climates of the southeastern United States and can grow into large, bushy shrubs.
 
Some gardeners even train them into a tree-like shape, which is probably why people wonder how tall a blueberry tree grows in the first place.
 
If you want a blueberry plant that grows tall and produces heavily, rabbiteye is your best bet.
 

3. Highbush Blueberries Grow 6 to 8 Feet Tall

Highbush blueberries are the most common type grown in home gardens, and they usually grow 6 to 8 feet tall.
 
Northern highbush varieties handle cold winters well, while southern highbush types prefer milder weather.
 
These are the blueberry plants you’ll see in most u-pick farms and backyard orchards.
 
So if you’re picturing how tall a blueberry tree grows, highbush plants are right in that middle range.
 

4. Half-High Blueberries Grow 3 to 4 Feet Tall

Half-high blueberries are a cross between highbush and lowbush varieties.
 
They grow about 3 to 4 feet tall, which makes them perfect for small gardens and container growing.
 
They’re cold-hardy and produce full-sized berries on compact plants.
 
So when you think about how tall a blueberry tree grows, half-highs show you don’t need a lot of space to grow blueberries.
 

What Determines How Tall Blueberry Plants Grow?

The height of your blueberry plant isn’t just about genetics, several other factors play a role too.
 

1. Sunlight

Blueberry plants grow tallest in full sun, meaning at least 6 to 8 hours of direct light each day.
 
Less sun means slower growth and a shorter plant overall.
 

2. Soil Acidity

Blueberries need acidic soil with a pH between 4.5 and 5.5.
 
If the soil isn’t acidic enough, the plant struggles and won’t reach its full height.
 

3. Pruning

Regular pruning keeps blueberry plants healthy and productive.
 
But if you prune too aggressively, you can limit how tall your blueberry plant grows.
 

4. Age of the Plant

Young blueberry plants focus on root growth first.
 
It usually takes 4 to 6 years before a blueberry plant reaches its mature height.
 

How to Make Blueberry Plants Grow Taller

If you want your blueberry plants to grow as tall as possible, here’s what to do.
 

1. Choose the Right Variety

Pick a rabbiteye or highbush variety if height is what you’re after.
 

2. Test and Amend Your Soil

Get a soil test and add sulfur or peat moss to bring the pH down to the right range.
 

3. Water Consistently

Blueberries have shallow roots and need steady moisture, about 1 to 2 inches of water per week.
 

4. Mulch Around the Base

A layer of pine bark or wood chips helps retain moisture and keeps roots cool.
 

5. Fertilize Carefully

Use a fertilizer made for acid-loving plants, but don’t overdo it.
 

So, How Tall Does a Blueberry Tree Grow?

A blueberry tree doesn’t grow tall because blueberry plants aren’t trees, they’re shrubs that grow anywhere from 6 inches to 12 feet tall depending on the variety.
 
Lowbush types stay under 2 feet, half-highs reach 3 to 4 feet, highbush plants grow 6 to 8 feet, and rabbiteye blueberries can stretch up to 12 feet tall.
 
With the right soil, sunlight, and care, your blueberry plant will reach its full height within a few years.
 
So now you know exactly how tall a blueberry tree grows, and more importantly, why it’s really a bush.