How Far Apart Should You Plant English Lavender

Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!

English lavender should be planted about 12 to 18 inches apart for most garden settings.
 
If you’re growing a hedge or a dense border, you can space English lavender plants around 12 inches apart.
 
For a looser, more natural look in a flower bed, 18 inches apart is a good rule of thumb.
 
Dwarf varieties of English lavender can be planted closer, at around 10 to 12 inches apart.
 
Larger English lavender cultivars may need up to 24 inches apart so they have room to spread.
 
The reason how far apart you plant English lavender matters so much comes down to airflow and sunlight.
 
In this post, we’ll look at how far apart to plant English lavender in different situations.
 
We’ll also cover why spacing English lavender correctly keeps it healthy and blooming.
 
Let’s dig in.
 

How Far Apart Should You Plant English Lavender?

How far apart you plant English lavender depends on a few simple factors.
 
English lavender (Lavandula angustifolia) is a compact, woody perennial that hates crowded roots and damp air.
 
The general rule is to space English lavender plants between 12 and 18 inches apart.
 
That distance gives each plant enough room to grow into its natural mound shape.
 
It also lets air move freely between the plants so leaves dry quickly after rain or watering.
 

1. Spacing for Garden Beds

In a regular garden bed, plant English lavender about 18 inches apart.
 
That gives each shrub roughly a foot and a half of breathing room in every direction.
 
When English lavender plants are spaced like this, they form individual mounds instead of merging into one soggy clump.
 
This spacing also makes it easier to prune each English lavender plant without cutting into its neighbor.
 

2. Spacing for Hedges and Borders

If you want a low hedge of English lavender, plant them closer, around 12 inches apart.
 
At 12 inches apart, English lavender will grow into a continuous ribbon of gray-green foliage and purple blooms.
 
Just keep in mind that tight spacing means you’ll need to prune more carefully to maintain airflow.
 
A hedge of English lavender spaced 12 inches apart still needs good drainage and full sun to thrive.
 

3. Spacing for Containers

In pots, how far apart you plant English lavender changes completely.
 
Plant one English lavender per container unless the pot is very wide.
 
A 12-inch pot is perfect for a single English lavender plant.
 
If you’re using a long trough planter, space English lavender about 10 to 12 inches apart.
 
That way each plant has its own root zone but they still fill the space nicely.
 

4. Spacing for Dwarf Varieties

Dwarf English lavender varieties like ‘Hidcote’ or ‘Munstead’ can go a bit closer.
 
Plant dwarf English lavender about 10 to 12 inches apart.
 
These compact English lavender plants stay small, so they don’t need as much elbow room.
 
However, even dwarf English lavender needs airflow, so don’t jam them together.
 

Why Spacing English Lavender Correctly Matters

Getting the spacing right for English lavender isn’t just about looks.
 
It’s about keeping your plants alive and healthy for years.
 
Here’s why how far apart you plant English lavender makes such a big difference.
 

1. Airflow Prevents Root Rot

English lavender is native to dry, rocky Mediterranean hillsides.
 
It hates wet feet and stagnant air.
 
When English lavender plants are crowded, moisture lingers between them.
 
That trapped moisture invites fungal diseases like root rot and powdery mildew.
 
Spacing English lavender properly lets breezes dry the foliage and soil surface fast.
 

2. Sunlight Reaches Every Plant

English lavender needs at least six to eight hours of direct sun daily.
 
If you plant English lavender too close together, larger plants shade smaller ones.
 
That shade weakens the plants and reduces blooming.
 
Correct spacing ensures every English lavender plant gets its full dose of sunshine.
 

3. Roots Have Room to Spread

English lavender has a fibrous root system that spreads outward.
 
When plants are 12 to 18 inches apart, their roots can grow without competing for water and nutrients.
 
Crowded roots lead to stunted growth and fewer flowers.
 
Spacing English lavender generously gives each root ball its own territory.
 

4. Easier Pruning and Harvesting

English lavender needs annual pruning to stay bushy and productive.
 
If your English lavender plants are too close, you can’t reach the center of each shrub.
 
Proper spacing makes it easy to shear back the stems after blooming.
 
It also makes harvesting English lavender sprigs a breeze.
 

Tips for Planting English Lavender at the Right Distance

Now that you know how far apart to plant English lavender, here are a few extra pointers.
 

1. Amend Soil for Drainage First

Before you space out your English lavender, improve the soil.
 
Mix in coarse sand or gravel to boost drainage.
 
English lavender in soggy soil will struggle no matter how perfectly you space it.
 

2. Plant on a Slight Mound

Plant each English lavender on a small mound of soil.
 
This keeps the crown above the water line and prevents rot.
 
It also helps you visualize the 12- to 18-inch spacing more clearly.
 

3. Mulch with Gravel, Not Bark

Use gravel or crushed rock as mulch around English lavender.
 
Organic mulches like bark hold moisture against the stems, which English lavender hates.
 
Gravel mulch keeps the root zone dry and reflects heat, which English lavender loves.
 

4. Water Deeply but Infrequently

Once established, English lavender is drought tolerant.
 
Water deeply every two to three weeks in dry weather.
 
If you planted English lavender 12 to 18 inches apart, the soil between them will dry out evenly.
 

So, How Far Apart Should You Plant English Lavender?

English lavender should be planted 12 to 18 inches apart for most gardens.
 
For hedges, 12 inches apart works well.
 
For dwarf varieties, 10 to 12 inches apart is fine.
 
For larger English lavender plants, 18 to 24 inches apart gives them room to shine.
 
The key is giving your English lavender enough airflow, sunlight, and root space to stay healthy.
 
So whether you’re planting a single English lavender in a pot or a whole field of it, remember the spacing.
 
Your English lavender will reward you with fragrant blooms for years to come.