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Yes, you can plant lavender next to hydrangeas, and doing so can create a stunning and beneficial garden pairing when you get the conditions right.
If you’ve been asking whether you can plant lavender next to hydrangeas, the short answer is yes, but it’s not as simple as just digging two holes side by side.
You can plant lavender next to hydrangeas successfully, but you’ll need to understand that these two beauties have very different needs when it comes to soil, sunlight, and moisture.
Planting lavender next to hydrangeas is absolutely doable, and with a little planning, you can enjoy both the fragrant silvery foliage of lavender and the lush, colorful blooms of hydrangeas in the same garden bed.
In this post, we’ll explore why you can plant lavender next to hydrangeas, the challenges you might face, and the best strategies to make this pairing thrive together.
Let’s dig in and see how these garden favorites can coexist happily.
Why You Can Plant Lavender Next To Hydrangeas
The real reason you can plant lavender next to hydrangeas comes down to planning, not luck.
You can plant lavender next to hydrangeas if you create microclimates within your garden that cater to each plant’s unique preferences.
While lavender craves dry, alkaline, and lean soil, hydrangeas prefer moist, rich, and slightly acidic ground, but that doesn’t mean they can’t share a space.
Here’s what you need to think about when you decide to plant lavender next to hydrangeas.
1. Sunlight Requirements Align Perfectly
Both lavender and hydrangeas love a good dose of sunshine, which is one reason you can plant lavender next to hydrangeas without worrying about light competition.
Lavender thrives with at least six to eight hours of full, direct sun each day.
Most hydrangea varieties, especially panicle and smooth types, also perform best with morning sun and some afternoon shade.
When you plant lavender next to hydrangeas, position them so both receive that bright morning light.
The lavender can handle the harsher afternoon rays, while the hydrangea can benefit from the dappled shade cast by taller plants or structures nearby.
This way, your lavender isn’t shaded out, and your hydrangea doesn’t get scorched.
2. Soil PH Is a Challenge But Not a Dealbreaker
One of the biggest concerns when you plant lavender next to hydrangeas is soil pH, but you can work around it.
Lavender wants soil with a pH between 6.5 and 7.5, which is neutral to slightly alkaline.
Hydrangeas, on the other hand, prefer a pH of 5.5 to 6.5, and acidic soil gives you those beautiful blue flowers while alkaline soil turns them pink.
If you plant lavender next to hydrangeas in the same exact soil, you might end up with one plant struggling.
The trick is to plant lavender on a slight slope or in a raised mound where water drains quickly and the pH leans higher.
For the hydrangea, you can amend the surrounding soil with compost or sulfur to keep it more acidic.
By physically separating their root zones with a small barrier or just spacing them apart, you can plant lavender next to hydrangeas and give each its ideal environment.
Best Practices When You Plant Lavender Next To Hydrangeas
So you’ve decided you can plant lavender next to hydrangeas, now let’s talk about the best practices to keep both plants healthy and blooming.
It’s all about water management, spacing, and choosing the right varieties.
Follow these tips, and your garden will thank you.
1. Master The Watering Balance
Watering is where most gardeners fail when they try to plant lavender next to hydrangeas because their needs are polar opposites.
Lavender hates wet feet and can develop root rot if the soil stays soggy for too long.
Hydrangeas need consistent moisture and will wilt dramatically if they dry out.
To plant lavender next to hydrangeas successfully, water deeply but less often for the lavender, and give the hydrangea more frequent drinks.
Consider using drip irrigation with separate zones or just hand-water the hydrangea while letting the lavender fend for itself once established.
Mulch around the hydrangea to retain moisture, but keep the mulch away from the lavender base to prevent humidity buildup.
2. Space Them For Airflow
Proper spacing is critical when you plant lavender next to hydrangeas because lavender needs excellent air circulation to prevent fungal diseases.
Hydrangeas can grow quite large and bushy, so if you plant them too close, the hydrangea’s foliage will trap moisture around the lavender.
Aim for at least two to three feet of space between a mature lavender plant and a hydrangea shrub.
If your hydrangea is a big oakleaf or climbing type, give even more room.
You can plant lavender next to hydrangeas as long as the lavender isn’t completely engulfed by the hydrangea’s shadow or leaves.
3. Choose The Right Lavender Variety
Not all lavender is created equal, and some types handle moisture better than others when you plant lavender next to hydrangeas.
English lavender (Lavandula angustifolia) is the most cold-hardy and generally the best choice for a mixed border.
French or Spanish lavender prefer warmer, drier climates and may struggle if the hydrangea’s watering schedule keeps the area too humid.
If you plant lavender next to hydrangeas in a region with high summer rainfall, choose a tough variety like Hidcote or Munstead.
These compact types stay manageable and won’t overtake the hydrangea’s space.
Potential Problems When You Plant Lavender Next To Hydrangeas
While you can plant lavender next to hydrangeas, there are a few pitfalls you’ll want to avoid from the start.
Being aware of these issues helps you make adjustments before they become big headaches.
1. Overwatering The Lavender
The most common issue is that gardeners water the hydrangea so much that the lavender drowns.
If you plant lavender next to hydrangeas and notice yellowing leaves or a mushy stem on the lavender, it’s getting too much water.
Solution: raise the lavender on a small mound or gravel bed to improve drainage.
You can also plant lavender in a container and sink it into the ground next to the hydrangea, which gives you control over its soil.
2. Shade From The Hydrangea
As hydrangeas mature, they can cast significant shade over lower-growing neighbors.
If you plant lavender next to hydrangeas on the south side of the hydrangea, the shrub’s shadow might block the sun the lavender needs.
To avoid this, place the lavender where it gets unblocked sunlight for most of the day.
Position the hydrangea to the north or east of the lavender so it doesn’t shade the lavender during peak sun hours.
So, Can You Plant Lavender Next To Hydrangeas?
You can plant lavender next to hydrangeas, but it takes a thoughtful approach to make it work.
Yes, you can plant lavender next to hydrangeas if you manage soil pH, watering, spacing, and sun exposure with care.
The key is to treat them as separate plants with distinct needs, even though they share the same garden bed.
Remember that lavender wants arid, alkaline, and well-drained conditions, while hydrangeas want rich, moist, and acidic soil.
By creating microzones, choosing the right varieties, and staying vigilant with your watering routine, you’ll enjoy a beautiful, fragrant, and colorful display.
So go ahead and plant lavender next to hydrangeas in your garden this season, and watch these two contrasting beauties complement each other perfectly.
Your garden will be the envy of the neighborhood, and both plants will reward you with vigorous growth and stunning blooms.
Happy gardening, and enjoy the unique charm that comes from successfully growing lavender alongside hydrangeas.