Box of 10 packets of organic herbal tea plant seeds, including lavender, lemon balm and sage

Twenty brown paper seed packets arranged in a grid, surrounded by lavender, lemon balm, mint and chamomile

A flowering plant with purple spikes and toothed leaves alongside a pile of its seeds, an example of a perennial used in infusions

A clump of spearmint in full growth, with toothed leaves and upright stems

A mauve pompom flower visited by a bumblebee, an example of a nectar-rich perennial in the garden

Sowing diagram for herbal tea plants: surface sowing, slow germination of 10 to 30 days

Organic herbal tea seed collection, 10 or 20 varieties

Name: Organic herbal tea seed collection, 10 or 20 varieties
Brand: ZenGreens
SKU: 58179880-9c1e-41b1-9fee-22f384bf578e
Price: 4000.0 JPY
Availability: InStock

¥4,000

¥1,333 × 3 with no fees Klarna.

These sets bring together 10 or 20 organic herbal plants, each in its own packet. Often perennial and hardy, they are harvested as leaves or flowering tops, then dried for use as herbal tea.

Ref. 58179880-9c1e-41b1-9fee-22f384bf578e·Vegetable seeds

Assortment : Medicinal herbs 10

Medicinal herbs 10

Medicinal herbs 20

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The summary

What you receive: a gift box of organic herbal plant seed packets, one variety per packet.
The varieties: Lavender, valerian, common nettle, St John's wort, lemon balm, thyme Deutscher Winter, spearmint, common sage, fennel, chamomile.
When to sow: March to June, or autumn for dormancy-requiring species.
Depth and germination: 0 to 0.5 cm, then 10 to 30 days at 15 to 22 °C.
What comes next: slow germination to monitor, then transplanting into position.
Before brewing: consult a pharmacist if you are taking any medication, particularly with regard to St John's wort.

Herbal tea plant gift sets, lavender, lemon balm, chamomile and common sage

The organic herbal tea seed set contains, in 10 or 20 varieties, plants for infusions (lavender, lemon balm, chamomile, sage, St John's wort), each in its own packet. Sown from March to June at a depth of 0 to 0.5 cm, they germinate in 10 to 30 days at 15 to 22 °C. A poor, free-draining soil without compost concentrates their aromas.

This collection brings together 10 plants grown for their flowers and leaves, to be dried and then brewed as infusions: lavender, valerian, stinging nettle, St John's wort, lemon balm, Deutscher Winter thyme, spearmint, common sage, fennel and chamomile. Growing them in the garden differs from growing vegetables, from soil choice to harvest timing.

🌼 A herb garden square

Most of these species are hardy perennials, so a single sowing keeps you going for several years. They also prefer poor, free-draining soil to enriched vegetable-garden soil, which is puzzling at first: excess nitrogen produces tall, soft plants with less flavour, because the aromatic compounds concentrate precisely when the plant grows slowly. So reserve a dry, sunny spot for them, along a border or on a bank, without compost or fertiliser, and you will get far more fragrant harvests than in rich garden soil.

📆 A slow, uneven emergence

Sowing calls for more patience than with a vegetable, and it is best to know this before concluding that it has failed. Allow 10 to 30 days depending on the species, barely covered, or simply pressed onto the surface for the finest seeds. Several of these plants also have dormancy: the seed waits for a period of cold before germinating, a mechanism that protects the wild plant from germinating in the middle of autumn. You can break this wait by sowing in place in autumn, or by 3 weeks in the fridge in damp sand before sowing in spring. The article on germination failures details the other causes of slow emergence.

Seek advice before regular infusion use

These seeds are sold for horticultural and culinary use. Several of these plants are not recommended during pregnancy or alongside ongoing treatments, and identifying the plant before consumption remains your responsibility. Seek the advice of a pharmacist or doctor before any regular use, and never make an infusion from a plant whose name you are not certain of.

Sow thinly to avoid thinning out by hand

These seeds are among the finest in the catalogue, and sowing too densely means a tedious thinning-out of tiny plants. The hand seeder drops them one by one, at regular intervals, which spares you that step and leaves each plant room to form its rosette before winter. For the chamomile and St John's wort, the finest in the box, mixing them with a little dry sand makes the sowing even more even.

Lemon balm

This very easy perennial, with lemon-scented leaves, self-seeds abundantly: cut off its spent flowers before they set seed.

Camomille

Flowers to harvest at the start of flowering, in dry weather and late morning.

Common nettle

Harvested young with gloves on, it works just as well as an infusion as a liquid feed for the kitchen garden.

Thyme and sage

Two dry-soil perennials that last 4 to 5 years in the ground and are frost-hardy without protection.

✂️ The right time to cut

The timing of the harvest affects the final fragrance as much as the growing does. Flowering tops are cut at the start of flowering, when the first flowers are opening and the later ones are still in bud. The time of day matters just as much: wait until the dew has gone but cut before the sun is high, because the essential oils evaporate in the hot hours. Leaves on their own, lemon balm or mint, are picked before flowering, when the plant concentrates the most aromatic compounds in them. The Korean mint page presents another herbal tea plant, sold on its own, whose spikes are harvested in the same way.

🌬️ Drying without cooking

Drying is done in small bunches hung upside down, in a ventilated, dark room below 35 °C, for 1 to 2 weeks. Darkness preserves colour and aroma, which light degrades quickly, and ventilation prevents mould at the heart of the bunch. You know it is finished when the stem snaps cleanly instead of bending. Then store in an opaque jar, away from the air, and use within the year: beyond that, the plant stays sound but its fragrance fades noticeably. Label each jar when you put it away, with the name of the plant and the harvest date, because once dried and crumbled several of these leaves look very alike.

Technical specifications

The essentials

What you sow: Organic seeds for herbal teasOne variety per paper herb sachet, labelled with its name.
The varieties in the kit: Lavender, valerian, stinging nettle, St John's wort, lemon balm, Deutscher Winter thyme, spearmint, common sage, fennel, chamomile10 or 20 distinct varieties depending on the selection, all open-pollinated.
Sowing period: March to June, or autumn for dormant speciesWindow for mainland France, to be adjusted depending on the region.
Seedling depth: 0 à 0,5 cmEach sachet states the exact value of its variety.
Germination temperature: 15 à 22 °CGrow medium temperature, not room temperature.
Germination time: 10 to 30 daysFrom seedling, under these temperature conditions.

To budget for separately

A poor, free-draining soil: Without compost or fertiliserExcess nitrogen produces soft plants with noticeably less fragrance.
A drying room: Ventilated, dark, below 35 °CThe bunches hang there upside down for 1 to 2 weeks.

In the box

1 set of organic herbal plant seeds, one variety per grass paper sachet
1 label with common name and Latin name on each sachet

Plant names and packaging: ZenGreens box of 10, official photograph recorded on 07/10/2026. St John's wort interactions: Agence nationale de sécurité du médicament (ANSM).

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delivery time

The kit, being light, is dispatched on its own or with the rest of your order. Exact shipping costs and final delivery times are displayed at checkout once your address has been entered. Outside the European Union, import duties and taxes remain the responsibility of the recipient.

Frequently asked questions

8 questions

6 key questions, 8 in the detailed view

Which plants are included in the set of 10?

Plant	Part harvested	Lifespan
Lavender	Flowers	Perennial
Valerian	Root	Perennial
Stinging nettle	Young leaves	Perennial
St John's wort	Flowering tops	Perennial
Lemon balm, spearmint	Leaves	Perennials
Thyme, common sage	Leaves, tops	Perennials
Fennel	Seeds, leaves	Perennial
Chamomile	Flowers	Annual

Are these plants safe to eat?

Which seeds are sown on the surface, and which ones need covering?

Do certain seeds need a cold stratification period?

When should you harvest valerian root?

How do you prepare a nettle liquid feed for the vegetable garden?

Do these plants grow in pots?

Does chamomile come back year after year?

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Organic herbal tea seed collection, 10 or 20 varieties

The summary