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You can successfully grow cilantro indoors by giving it the right light, the right soil, and a steady watering routine.
Cilantro is one of those herbs that people either love or hate, but if you’re here, you probably love it.
The good news is that growing cilantro indoors is totally doable, even if you don’t have a garden or a balcony.
The tricky part is that cilantro has a reputation for bolting quickly, which means it shoots up a flower stalk and stops producing those tasty leaves.
But when you grow cilantro indoors, you actually have more control over the environment than you would outside.
In this post, we’ll walk through how to successfully grow cilantro indoors, from choosing the right container to keeping your plant productive for as long as possible.
Let’s dig in.
Why Growing Cilantro Indoors Works So Well
Growing cilantro indoors works because you can manage temperature, light, and moisture more precisely than in an outdoor garden.
Here’s why it’s worth trying:
1. You Control the Climate
Cilantro prefers cooler temperatures, ideally between 60°F and 75°F.
When it gets too hot outside, cilantro bolts almost immediately.
Indoors, you can keep the air conditioner on or move your pot away from heat sources.
This simple step makes a huge difference when you grow cilantro indoors.
2. Fresh Leaves Year-Round
When you grow cilantro indoors, you’re not limited to a spring or fall harvest.
You can snip fresh leaves in January while snow is falling outside.
There’s something satisfying about walking to your kitchen counter and grabbing a handful of cilantro for your tacos.
3. No Pests Taking Over
Outdoor cilantro often gets attacked by aphids, whiteflies, and caterpillars.
Indoors, you have fewer pests to worry about, though you still need to watch for fungus gnats and spider mites.
Growing cilantro indoors means you can catch problems early before they spread.
How to Successfully Grow Cilantro Indoors Step by Step
If you want to know how to successfully grow cilantro indoors, follow these steps carefully.
1. Choose the Right Container
Cilantro has a long taproot, so it needs a deeper pot than you might expect.
Pick a container that’s at least 8 to 10 inches deep and has drainage holes at the bottom.
A 10-inch wide pot works well for a small cluster of plants.
When you grow cilantro indoors, drainage is non-negotiable because soggy roots will kill your plant fast.
2. Use Well-Draining Potting Mix
Regular garden soil is too heavy for indoor containers.
Instead, use a quality potting mix that drains well but still holds some moisture.
You can also mix in a little perlite or vermiculite to improve drainage.
This helps when you grow cilantro indoors because you want the roots to breathe.
3. Plant Seeds Directly
Cilantro doesn’t transplant well because of that taproot.
So when you grow cilantro indoors, sow the seeds directly into the pot you plan to keep them in.
Scatter a few seeds about a quarter inch deep and cover them lightly with soil.
Keep the soil moist until you see sprouts, which usually takes 7 to 10 days.
4. Give It Plenty of Light
Cilantro needs at least 4 to 6 hours of direct sunlight per day.
A south-facing window is ideal, but if you don’t have one, a grow light works beautifully.
When you grow cilantro indoors with a grow light, keep it about 4 to 6 inches above the plant for 12 to 14 hours a day.
Without enough light, your cilantro will get leggy and weak.
5. Water Consistently
Cilantro likes soil that’s consistently moist but never waterlogged.
Check the top inch of soil with your finger.
If it feels dry, it’s time to water.
If it still feels damp, wait another day.
When you grow cilantro indoors, you’ll probably water every 2 to 3 days, depending on your home’s humidity.
Common Mistakes When Growing Cilantro Indoors
Even with the best intentions, people make mistakes when they grow cilantro indoors.
Here are the big ones to avoid:
1. Overwatering
This is the number one killer of indoor cilantro.
If the soil stays soggy, the roots rot and the plant collapses.
Always use a pot with drainage holes and never let your cilantro sit in a saucer of water.
2. Too Much Heat
Cilantro bolts when temperatures climb above 75°F.
Keep your indoor cilantro away from heating vents, radiators, and hot windowsills.
If your home is warm, consider growing cilantro indoors in a cooler room or near an air conditioning vent.
3. Not Harvesting Often Enough
The more you cut cilantro, the more it produces.
Snip the outer stems regularly, starting when the plant is about 6 inches tall.
When you grow cilantro indoors, regular harvesting actually extends the plant’s life.
4. Letting It Bolt Without a Plan
If your cilantro does bolt, don’t panic.
The flowers are edible and attract pollinators if you move the pot outside.
You can also let the flowers turn into coriander seeds, which you can harvest and use in cooking.
So even a bolted cilantro plant isn’t a total loss when you grow cilantro indoors.
So, Can You Successfully Grow Cilantro Indoors?
You can successfully grow cilantro indoors by giving it cool temperatures, bright light, well-drained soil, and consistent watering.
It’s not the easiest herb to keep going long-term, but it’s absolutely worth the effort.
Start with a deep pot, sow seeds directly, and harvest often to keep your plant productive.
Avoid overwatering and overheating, and you’ll be rewarded with fresh cilantro for months.
So go ahead and give it a try.
Once you learn how to successfully grow cilantro indoors, you’ll never want to buy those sad little supermarket bunches again.