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You can water cilantro plants by giving them about one inch of water per week, either from rainfall or from your watering can.
Cilantro is a fast-growing herb that loves consistently moist soil, but it absolutely hates being waterlogged.
If you’ve been wondering how to water cilantro plants without drowning them or letting them dry out, you’re in the right place.
In this post, we’ll walk through exactly how to water cilantro plants, when to water cilantro, and the common mistakes that ruin this tasty herb.
Let’s dig in.
How to Water Cilantro Plants the Right Way
Knowing how to water cilantro plants is honestly half the battle when it comes to growing healthy, leafy cilantro.
Here’s how to get it right.
1. Aim for About One Inch of Water Per Week
Cilantro plants need roughly one inch of water every week, whether that comes from rain or from you.
That’s the sweet spot for how to water cilantro plants growing in garden beds or containers.
If you’re watering cilantro in pots, check the soil more often because containers dry out faster than the ground.
Aim to water cilantro deeply rather than splashing a little on top every day.
2. Water When the Top Inch of Soil Feels Dry
The best way to know when to water cilantro plants is the finger test.
Stick your finger about an inch into the soil.
If it feels dry, it’s time to water cilantro.
If it still feels moist, wait another day or two.
This simple habit prevents both underwatering and overwatering cilantro.
3. Water at the Base, Not the Leaves
When you water cilantro plants, pour the water directly onto the soil around the base of the plant.
Wet leaves invite fungal diseases like powdery mildew, which cilantro is prone to.
Watering cilantro at soil level keeps the foliage dry and the roots happy.
It also makes every drop count toward how well your cilantro grows.
4. Water in the Morning
The ideal time to water cilantro plants is early in the morning.
That way, any moisture that splashes on the leaves dries quickly in the sun.
Evening watering cilantro can leave the plant wet overnight, which is a recipe for disease.
Morning watering also prepares cilantro for the heat of the day.
When to Water Cilantro Plants Throughout the Season
How often you water cilantro plants changes depending on the weather and where they’re growing.
Here’s what to keep in mind.
1. Water More Often in Hot Weather
Cilantro is a cool-season herb, and it bolts quickly in high heat.
During hot spells, you may need to water cilantro plants every other day to keep the soil evenly moist.
Consistent moisture also delays bolting, so you get more leaves before the plant goes to seed.
2. Ease Up in Cool, Rainy Weather
When temps drop and rain is frequent, you’ll water cilantro far less often.
Always check the soil before watering cilantro after a rainy stretch.
Soggy soil is worse for cilantro than slightly dry soil.
3. Watch Cilantro Grown in Containers
If you’re growing cilantro in pots, plan to water cilantro more frequently.
Small containers can dry out in a single sunny afternoon.
Check your potted cilantro daily during summer so you never miss a watering.
Common Mistakes When You Water Cilantro Plants
Even careful gardeners slip up when they water cilantro plants.
Here are the mistakes to avoid.
1. Overwatering Cilantro
Overwatering cilantro is the number one killer of this herb.
Yellowing leaves, wilting despite wet soil, and root rot are all signs you’re watering cilantro too much.
Let the top inch of soil dry out between waterings to fix it.
2. Letting Cilantro Dry Out Completely
On the flip side, letting the soil go bone dry stresses cilantro and sends it straight into bolting.
If your cilantro looks limp and crispy, you’ve waited too long to water cilantro plants.
Give it a slow, deep drink and it’ll usually bounce back.
3. Watering From Above With a Harsh Spray
A strong overhead spray can knock over delicate cilantro seedlings.
Use a gentle stream or a watering can with a soft spout when you water cilantro.
Young cilantro plants especially appreciate a light, careful touch.
So, How to Water Cilantro Plants?
To water cilantro plants, give them about an inch of water per week and keep the soil consistently moist but never soggy.
Water cilantro at the base in the morning, check the top inch of soil first, and adjust for heat, rain, and container growing.
Avoid overwatering cilantro and never let it dry out completely, and you’ll be rewarded with bushy, flavorful leaves all season.
Now you know exactly how to water cilantro plants, so go keep that herb happy and harvest away.