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You can grow a lavender hedge by choosing the right variety, preparing well-drained soil, and spacing plants properly so they form a dense, fragrant boundary.
It’s one of the most rewarding garden projects you can take on, especially if you love that classic English cottage look.
If you’ve been wondering how to grow a lavender hedge that thrives for years, the good news is that it’s totally doable even for beginners.
In this post, we’ll walk through exactly how to grow a lavender hedge, from picking the best lavender varieties to planting, pruning, and keeping it looking sharp season after season.
Let’s dig in.
How to Grow a Lavender Hedge: The Key Steps
Learning how to grow a lavender hedge comes down to three non-negotiables: sun, drainage, and spacing.
Get those right and your hedge will reward you with intoxicating scent and months of color.
1. Choose the Right Lavender Variety
The first step in how to grow a lavender hedge is picking a variety that suits your climate and the look you want.
English lavender (Lavandula angustifolia) is the go-to choice for hedges because it’s hardy, compact, and blooms early.
‘Hidcote’ and ‘Munstead’ are two classic picks that stay tidy and dense.
If you live somewhere with mild winters, French lavender offers a longer bloom season but is less cold-tolerant.
For a lavender hedge, stick with English varieties unless you’re in a warm zone.
2. Pick a Spot With Full Sun
Lavender needs at least six to eight hours of direct sunlight daily to grow into a thick, healthy hedge.
Without enough sun, plants get leggy, blooms fade, and your hedge will look sparse instead of solid.
So when planning how to grow a lavender hedge, watch your yard for a full day and pick the sunniest strip you’ve got.
South-facing borders are ideal for a lavender hedge in most climates.
3. Get the Soil Drainage Right
Lavender hates wet feet, and soggy soil is the number one reason hedges fail.
If your soil is heavy clay, amend it with grit, horticultural sand, or compost before planting.
You can also plant on a slight mound or raised bed to help water drain away fast.
The goal is soil that dries out quickly after rain, because that’s what lavender roots love.
Get this step right when learning how to grow a lavender hedge and you’ll avoid most problems down the road.
How to Plant a Lavender Hedge
Once your site is ready, planting a lavender hedge is straightforward.
1. Space Plants 12 to 18 Inches Apart
Spacing is key to how to grow a lavender hedge that fills in evenly without choking itself out.
For smaller varieties like ‘Hidcote,’ plant about 12 inches apart.
Larger growers need 18 inches or more between each plant.
They’ll look a bit sparse at first, but within a season or two they’ll knit together into a solid hedge.
2. Plant in Spring or Early Fall
The best time to plant a lavender hedge is spring after the last frost, or early fall in mild climates.
This gives roots time to establish before extreme heat or cold hits.
Avoid planting in the middle of summer when stress is highest.
3. Water Deeply but Infrequently
Newly planted lavender needs regular water for the first few weeks, then less as it settles in.
Once established, a lavender hedge is drought-tolerant and rarely needs extra watering.
Overwatering is far more dangerous than underwatering for lavender.
How to Prune and Maintain a Lavender Hedge
Knowing how to grow a lavender hedge also means knowing how to keep it shaped.
1. Prune After Flowering
Right after the blooms fade, shear the hedge back by about a third.
This keeps plants bushy and stops them from going woody in the middle.
Just avoid cutting into old, leafless wood, because it rarely regrows.
2. Light Trim in Early Spring
A gentle tidy-up in early spring removes winter damage and encourages fresh growth.
Don’t go hard, though, since lavender is slow to recover from heavy spring cuts.
3. Feed Sparingly
Lavender doesn’t need much fertilizer, and too much makes it floppy and short-lived.
A light sprinkle of compost in spring is usually all a lavender hedge needs.
So, How Do You Grow a Lavender Hedge?
You grow a lavender hedge by giving it full sun, sharp drainage, and proper spacing from day one.
Pick a hardy English variety, plant it in spring, and prune it right after blooming each year.
Do those things and your lavender hedge will reward you with fragrance, color, and pollinators for many seasons.
Now you know exactly how to grow a lavender hedge that looks and smells amazing.