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Cilantro will self seed, and if you’ve ever watched a patch of it magically reappear in your garden without replanting, you’ve already seen this happen.
Cilantro is one of those herbs that loves to drop its seeds and come back on its own terms.
So if you’ve been asking “will cilantro self seed?”, the short answer is a big, leafy yes.
But there’s a catch: it only self seeds if you let it go to seed in the first place.
In this post, we’ll look at why cilantro will self seed, how to encourage it, and what to do if you want more of it without buying new seeds every year.
Let’s dig in.
Why Cilantro Will Self Seed
Cilantro will self seed because it’s an annual plant that’s genetically wired to reproduce.
Here’s how it works.
1. Cilantro Bolts and Flowers
When the weather warms up, cilantro stops producing leaves and starts bolting.
Bolting means it shoots up a tall stalk and forms little white flowers.
Those flowers turn into seeds, which is where the self seeding magic begins.
2. Coriander Seeds Drop Naturally
Those seeds are actually coriander, the spice you buy at the store.
If you leave them on the plant, they dry out and fall to the ground.
Once they hit the soil, they wait for the right conditions to germinate.
That’s why cilantro will self seed without any help from you.
3. The Seeds Are Tough
Cilantro seeds have a hard outer shell that protects them through winter.
This means they can survive cold temperatures and sprout when spring arrives.
So even if you get a frost, your cilantro will self seed again the next season.
How to Encourage Cilantro to Self Seed
If you want cilantro to self seed in your garden, you need to give it a little room to do its thing.
Here’s how to make that happen.
1. Let Some Plants Go to Seed
The biggest mistake people make is harvesting every single leaf.
If you want cilantro to self seed, you have to let at least one or two plants bolt.
That means no more cutting, just letting them flower and drop seeds.
2. Don’t Mulch Too Heavy
A thick layer of mulch can block seeds from reaching the soil.
Cilantro will self seed best when the seeds can fall directly onto bare dirt.
So keep mulch light or pull it back around your cilantro patch.
3. Water Gently After Flowering
Once the flowers turn brown and seeds form, give the area a light watering.
This helps seeds settle into the soil instead of blowing away.
But don’t soak the ground, because soggy seeds can rot.
4. Leave the Area Alone
Resist the urge to clean up every fallen seed.
Cilantro will self seed on its own if you just leave the garden bed alone.
In fact, the seeds need that natural cycle of cold and warmth to break dormancy.
What to Do If Cilantro Doesn’t Self Seed
Sometimes cilantro won’t self seed, even if you do everything right.
Here’s why that happens and what you can do about it.
1. You Harvested Too Early
If you picked every leaf before flowers formed, there were no seeds to drop.
Cilantro will self seed only after it flowers, so you need to let that happen.
2. The Seeds Got Eaten
Birds and rodents love coriander seeds.
If your seeds disappear before they sprout, that’s likely the culprit.
You can cover the area with a light row cover to protect them.
3. The Soil Was Too Wet or Too Dry
Cilantro seeds need consistent moisture to germinate.
If the soil dries out completely or stays waterlogged, they won’t sprout.
That doesn’t mean cilantro won’t self seed, it just means you need better drainage or a little more watering.
4. You Planted a Hybrid Variety
Some hybrid cilantro varieties are sterile or produce fewer viable seeds.
If you want cilantro to self seed reliably, stick with open-pollinated or heirloom types.
So, Will Cilantro Self Seed?
Cilantro will self seed, and it’s one of the easiest herbs to let go wild in your garden.
All you have to do is let a few plants flower and drop their seeds.
Then nature takes over, and you’ll have fresh cilantro popping up season after season.
So next time you wonder if cilantro will self seed, just remember: yes, as long as you give it a chance.
Happy gardening.