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!
Yes, you can plant lemon balm and cilantro together, and it can actually work out quite well if you plan things carefully.
Both are leafy herbs that grow happily in garden beds, raised planters, and containers, so pairing them isn’t a problem in itself.
The trick is understanding that lemon balm and cilantro have different growth habits and different needs, and if you ignore those differences, one can crowd out the other.
If you’ve been wondering whether you can plant lemon balm and cilantro together, the short answer is yes, but with a few smart adjustments.
In this post, we’ll look at why you can plant lemon balm and cilantro together, how to keep both thriving, and the mistakes to avoid so your herb garden stays productive.
Why You Can Plant Lemon Balm and Cilantro Together
You can plant lemon balm and cilantro together because they share similar basic growing conditions, even though they behave differently as they mature.
1. They Like Similar Light and Soil
Lemon balm and cilantro both enjoy partial sun to full sun, depending on your climate.
They also both prefer well-draining soil that stays evenly moist but never soggy.
That shared preference means you can plant lemon balm and cilantro together in the same bed without fighting over drastically different soil types.
2. They’re Both Fast, Leafy Herbs
When you plant lemon balm and cilantro together, you’re pairing two herbs that are harvested for their leaves rather than their roots or fruits.
That makes them compatible in terms of how you care for them and when you pick them.
You can snip cilantro leaves as needed, and you can trim lemon balm regularly to keep it bushy and flavorful.
3. Neither One Is Overly Aggressive to the Other
Unlike some herbs that release chemicals to suppress nearby plants, lemon balm and cilantro generally coexist peacefully.
You can plant lemon balm and cilantro together without worrying about one poisoning the soil for the other.
The real issue is space and pruning, not compatibility.
How to Plant Lemon Balm and Cilantro Together Successfully
If you want to plant lemon balm and cilantro together and get a good harvest from both, a little planning goes a long way.
1. Give Lemon Balm Plenty of Room
Lemon balm is the bigger, more spreading plant of the two.
It can grow into a bushy clump and self-seed readily, so it needs more elbow room than cilantro.
When you plant lemon balm and cilantro together, place lemon balm at the back or edge of the bed so it doesn’t smother the cilantro.
2. Plant Cilantro in Succession
Cilantro bolts quickly in heat, which means it finishes its life cycle fast.
If you plant lemon balm and cilantro together at the same time, the cilantro may be done before the lemon balm even hits its stride.
Sowing cilantro every few weeks keeps a steady supply while the lemon balm fills in the space.
3. Use Containers if Space Is Tight
You can plant lemon balm and cilantro together in one large container if you choose a wide pot.
A pot at least 12 to 14 inches across gives both herbs room to grow without tangling roots too much.
Just remember that cilantro has a taproot, so it dislikes being transplanted and prefers direct sowing.
4. Water Consistently but Don’t Overwater
Both herbs like moisture, but lemon balm is slightly more forgiving of dry spells than cilantro.
When you plant lemon balm and cilantro together, aim for consistent watering so the soil stays damp but drains well.
Mulching lightly helps retain moisture without creating a soggy environment that invites root rot.
Potential Problems When You Plant Lemon Balm and Cilantro Together
Even though you can plant lemon balm and cilantro together, there are a few challenges worth watching.
1. Lemon Balm Can Take Over
Lemon balm spreads by seed and by runners, and it can quickly crowd out slower herbs.
If you plant lemon balm and cilantro together, prune lemon balm often and remove flower spikes before they set seed.
Growing lemon balm in a submerged pot inside the bed is another smart way to control it.
2. Cilantro Bolts in Heat
Cilantro hates hot weather and will bolt to seed as soon as temperatures climb.
When you plant lemon balm and cilantro together in a sunny spot, the cilantro may struggle in midsummer.
Partial afternoon shade or a slightly cooler microclimate helps cilantro last longer.
3. Different Lifespans
Lemon balm is a perennial in many climates, while cilantro is a fast annual.
That means when you plant lemon balm and cilantro together, you’ll be replanting cilantro while lemon balm keeps coming back.
Plan your layout so the returning lemon balm doesn’t shade out new cilantro seedlings.
4. Competing for Nutrients
Both herbs are fairly light feeders, but a crowded bed can still lead to competition.
If you plant lemon balm and cilantro together in poor soil, growth slows for both.
A light dose of compost or balanced organic fertilizer keeps them healthy without pushing excessive leafy growth.
So, Can You Plant Lemon Balm and Cilantro Together?
Yes, you can plant lemon balm and cilantro together, and with the right spacing and care, both will thrive.
They enjoy similar light and soil, and neither one is truly toxic to the other.
The key is managing lemon balm’s vigorous spread and cilantro’s short season so one doesn’t overwhelm the other.
If you plant lemon balm and cilantro together in a roomy bed or a wide container, water consistently, and harvest often, you’ll enjoy fresh herbs from the same patch all season long.
Happy planting, and enjoy your homegrown lemon balm and cilantro.