Tarragon is one of the most aromatic plants. It is valued for its unique flavour that enhances many sauces and pairs well with meats and fish. Native to Central Asia, this fine herb has found its place in our gardens and kitchens. Beyond its culinary qualities, tarragon is also easy to grow and maintain. One of the most effective methods to propagate this plant is through division. So why and how should you divide tarragon? Here are our tips to help you successfully carry out this operation and enjoy a bountiful harvest.
Why divide tarragon?
Tarragon (Artemisia dracunculus), with its subtle taste, does not produce fertile seeds (except for Russian tarragon and Mexican tarragon), so it cannot be sown. Division allows you to multiply your tarragon plants and is also a useful technique for rejuvenating an aging clump. By dividing clumps, you contribute to the vigor of the plant and simultaneously promote better leaf production for the upcoming season. Note that you can also take cuttings of young tarragon shoots during the summer.
When to divide tarragon?
The best time to carry out this operation is at the beginning of spring, around March and April, or possibly at the end of autumn. During these periods, the plant is still dormant or just coming out of dormancy. This gives it time to recover after division and establish itself well before the growth or winter rest periods.
How to divide tarragon?
To divide tarragon, you will need a few tools:
- clean pruning shears
- a spade
- pots
- quality potting soil
Tarragon grows by spreading its underground stems, which gradually form suckers.
- Start by gently extracting the clump of tarragon from the soil using the spade.
- Try to preserve as much as possible the roots and underground stems.
- Then place the clump on a clean surface and use the pruning shear to separate the suckers into several sections. Each section should have at least one bud and some roots. If you notice that the plant has several well-developed stems, you can also separate them to multiply your plants even further.
How to transplant tarragon?
Once the division is done, you will immediately transplant. You have two options: replant the tarragon directly in your garden or pot it.
For garden transplantation, dig a hole about 20 cm deep and place the new plants in it, spaced 25 cm apart. Cover them with soil and water thoroughly. Tarragon thrives in light, rich, humus-bearing soil, in full sun.
If you choose to grow in a pot, ensure that the container has good drainage (a hole and clay balls or gravel at the bottom). Fill the pot with potting soil, insert the plant, and water.
Tips and advice
Here are some tips to maximise the success of your tarragon division. First, ensure you work with clean tools to avoid any contamination. Next, prefer well-drained soil rich in organic matter to encourage good recovery. Finally, don’t forget to water your new plants regularly, especially during dry periods.
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