This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.
Cilantro seeds typically germinate in 7 to 10 days when conditions are right.
Some slow seeds can take up to 3 weeks, so don’t panic if you don’t see green right away.
How long it takes to germinate cilantro depends on soil temperature, moisture, and how deep you plant those seeds.
If you’ve been wondering how long to germinate cilantro, the short answer is about a week to ten days in warm soil.
In this post, we’ll break down exactly how long cilantro takes to germinate, what speeds it up, and what slows it down.
Let’s dig in.
How Long Does It Take to Germinate Cilantro?
Cilantro germination usually takes 7 to 10 days, but that window can stretch to 14 or even 21 days.
The reason cilantro is a bit slower than lettuce or radishes comes down to its tough outer seed coat.
Each cilantro “seed” is actually a small fruit holding two seeds inside, and that shell takes time to soften.
So when people ask how long to germinate cilantro, the honest answer is: it depends, but a week to ten days is normal.
Below are the main factors that decide whether your cilantro sprouts in 7 days or drags on for 3 weeks.
1. Soil Temperature Plays the Biggest Role
Cilantro germinates fastest when the soil sits between 55°F and 70°F.
In that range, you can expect sprouts in about 7 to 10 days.
If the soil is colder than 50°F, germination slows way down and can take 3 weeks or more.
If it’s hotter than 75°F, cilantro seeds often go dormant or germinate poorly, which is why summer planting is tricky.
This is the number one reason how long it takes to germinate cilantro varies so much from garden to garden.
2. Moisture and Seed Coat Softening
Cilantro seeds need consistent moisture to break down that hard outer coat.
Dry soil stalls germination, and soggy soil causes rot before the sprout even appears.
A light watering every day, keeping the top inch of soil damp but not soaked, is the sweet spot.
Some gardeners soak cilantro seeds in water for 24 hours before planting to soften the coat.
That simple soak can shave a few days off how long it takes to germinate cilantro.
3. Planting Depth Matters More Than You Think
Cilantro seeds should go only about a quarter inch deep.
Plant them too deep and the sprout runs out of energy before it reaches the surface.
Plant them too shallow and they dry out before germination finishes.
A quarter inch, lightly covered with soil, is ideal for fast cilantro germination.
Get the depth right and you’ll hit that 7 to 10 day window almost every time.
How to Germinate Cilantro Faster
If you want to speed up how long it takes to germinate cilantro, there are a few proven tricks.
These methods work because they tackle the seed’s tough coat and keep conditions steady.
1. Crack the Seeds Before Planting
Gently press each cilantro seed with the back of a spoon until you hear a small crack.
This splits the outer shell so water reaches the inner seed faster.
Cracked seeds often germinate in 5 to 7 days instead of 10.
Just don’t crush them into powder, a light crack is all you need.
2. Soak Overnight in Warm Water
Drop your cilantro seeds in a bowl of warm water and let them sit for 12 to 24 hours.
This mimics the natural rain cycle that softens seed coats in the wild.
After soaking, plant immediately while the seeds are still moist.
This is one of the easiest ways to shorten how long it takes to germinate cilantro.
3. Start Indoors for Better Control
Starting cilantro indoors lets you control temperature and moisture precisely.
Use a seed starting mix, keep it at 65°F to 70°F, and you’ll see sprouts in about a week.
Once the seedlings have two sets of leaves, transplant them outside.
Indoor starts also protect young cilantro from pests and harsh weather.
Common Mistakes That Slow Cilantro Germination
A lot of gardeners blame bad seeds when the real problem is planting habits.
Here are the mistakes that stretch out how long it takes to germinate cilantro.
1. Letting the Soil Dry Out
Cilantro seeds sitting in dry soil simply won’t sprout.
Check moisture daily and mist the surface instead of flooding it.
2. Planting in Peak Summer Heat
Cilantro hates the heat, and seeds above 75°F often refuse to germinate at all.
Plant in spring or fall when soil temps are cooler.
3. Crowding the Seeds
Thick clumps of cilantro seeds compete for water and light, which slows everything down.
Space seeds an inch or two apart so each one has room to sprout.
So, How Long to Germinate Cilantro?
Cilantro germinates in about 7 to 10 days under good conditions, and up to 3 weeks if the soil is cold or dry.
How long it takes to germinate cilantro really comes down to temperature, moisture, and planting depth.
Soak the seeds, crack them lightly, keep the soil at 55°F to 70°F, and you’ll have sprouts in a week.
Follow these steps and you’ll never have to guess how long to germinate cilantro again.