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To plant Thai basil from cuttings is one of the easiest and most rewarding ways to grow this fragrant herb.
You can plant Thai basil from cuttings directly in soil or water, and it will root quickly with minimal fuss.
If you have a healthy Thai basil plant or a fresh bunch from the market, you already have everything you need to start.
In this post, we’ll walk you through exactly how to plant Thai basil from cuttings so you get a thriving plant in just a couple of weeks.
Let’s dig in.
Why You Should Plant Thai Basil From Cuttings
Planting Thai basil from cuttings is faster than growing from seed and gives you an identical clone of the parent plant.
When you plant Thai basil from cuttings, you skip the long germination period that can take up to two weeks.
Cuttings also let you preserve the exact flavor and aroma of your favorite Thai basil variety.
Seed-grown basil can be unpredictable, but cuttings always match the parent.
You can plant Thai basil from cuttings any time of year indoors, or outdoors when temperatures stay above 50°F.
The success rate is incredibly high if you follow a few simple steps.
1. The Best Time to Take Cuttings
Take cuttings in the morning when the plant is fully hydrated and the stems are firm.
Avoid taking cuttings when the plant is stressed, wilted, or flowering heavily.
Healthy, green, non-woody stems root the easiest and fastest.
If you’re buying Thai basil from a store, choose stems that look crisp and have plenty of leaves.
You can plant Thai basil from cuttings right away, but storing them in water for a few hours helps them recover from transport.
2. Pick the Right Stems
Look for stems that are about 4 to 6 inches long with at least two sets of leaves.
The stems should be tender and green, not woody or brown.
Snip them just below a leaf node, which is where the leaves attach to the stem and where roots will form.
Using a clean, sharp pair of scissors or pruning shears prevents crushing the stem.
Crushed stems are more prone to rot and less likely to root successfully.
3. Prepare Your Cuttings
Strip off the leaves from the bottom half of each cutting so only the top two or three leaves remain.
Lower leaves that sit in water or soil will rot and can introduce bacteria that kills the cutting.
If the remaining leaves are large, you can trim them by half to reduce water loss.
This helps the cutting focus its energy on producing roots instead of maintaining big leaves.
Your cutting is now ready to root.
Two Easy Ways to Root Thai Basil Cuttings
There are two proven methods to root Thai basil cuttings, and both work incredibly well.
You can choose whichever fits your setup, or try both to see which you prefer.
Here’s how to plant Thai basil from cuttings using each method.
1. Rooting in Water (The Simplest Method)
Place each prepared cutting in a small glass or jar filled with about an inch of fresh, room-temperature water.
Ensure only the bare stem is submerged and no leaves are touching the water.
Put the jar in a bright spot with indirect sunlight, like a windowsill that gets morning sun.
Change the water every two days to keep it oxygenated and prevent bacterial growth.
Within 7 to 14 days, you’ll see small white roots emerging from the nodes.
Once the roots are at least an inch long, you can plant Thai basil from cuttings into soil.
2. Rooting Directly in Soil
You can also skip the water step entirely and plant Thai basil from cuttings straight into moist potting soil.
This method works well but requires a bit more attention to moisture levels.
Dip the cut end of the stem in rooting hormone powder if you have it, though it’s not strictly necessary.
Poke a hole in the soil with a pencil, insert the cutting, and firm the soil around the stem.
Water gently and place the pot in a warm, bright spot out of direct harsh sun.
Keep the soil consistently moist but not soggy for the first week.
You can cover the pot with a clear plastic bag to create a mini greenhouse and boost humidity.
How to Care for Your New Thai Basil Plants
Once your cuttings have established roots, it’s time to give them the care they need to grow into bushy, productive plants.
Whether you root in water first or directly in soil, the same care rules apply.
1. Potting and Transplanting
When planting Thai basil from cuttings into a permanent pot, choose a container at least 6 inches wide with drainage holes.
Use a light, well-draining potting mix and add a little compost for nutrients.
Water the cutting thoroughly after transplanting and allow the top inch of soil to dry out between waterings.
Thai basil likes moisture but hates sitting in waterlogged soil.
2. Sunlight and Temperature
Thai basil thrives in warm, sunny conditions and needs at least 6 hours of direct sunlight per day.
A south-facing window or a sunny balcony is perfect.
If you’re growing indoors, you may need a grow light during winter months.
Keep the plant in a spot that stays between 65°F and 85°F for optimal growth.
Cold drafts and sudden temperature drops can shock young cuttings.
3. Fertilizing and Watering
Start feeding your Thai basil with a diluted liquid fertilizer once a week after the roots are established.
A balanced fertilizer with equal nitrogen, phosphorus, and potassium works great.
Water your basil when the top inch of soil feels dry, and always water at the base to avoid wetting the leaves.
Watering too much can cause root rot, so it’s better to err on the dry side.
4. Pruning for Bushier Growth
Once your plant has about six leaves, pinch off the top set of leaves to encourage lateral branching.
This simple trick stops the plant from getting tall and leggy.
Every time you pinch, the plant grows two new stems from that point.
You can harvest your Thai basil regularly this way, and the plant will keep producing for months.
Never let the plant flower, because flowering triggers woody stems and a decline in leaf flavor.
5. Common Mistakes to Avoid
Even though planting Thai basil from cuttings is easy, a few common errors can stop it from working.
Leaving leaves in the water is the number one cause of rot, so always strip them off.
Using cold water or placing the cutting in a drafty spot slows root development.
Exposing fresh cuttings to harsh afternoon sun can burn the leaves before roots form.
Overwatering in soil is just as bad as underwatering, so check the soil moisture daily.
Avoid using old, woody stems because they rarely produce roots.
So, How to Plant Thai Basil From Cuttings?
You can plant Thai basil from cuttings by snipping a healthy stem, removing the lower leaves, and rooting it in water or soil.
It’s a fast, simple, and reliable way to get endless basil without buying new plants.
With proper sunlight, moisture, and regular pruning, your cuttings will grow into lush plants in no time.
So if you’ve been wondering how to plant Thai basil from cuttings, now you have the complete answer.
Go grab a stem, follow these steps, and enjoy fresh Thai basil all season long.