Green vein · Indonesia
Green Jongkong Kratom,documented.
Green Jongkong is a green vein kratom powder named for Jongkong, a small river village in the Kapuas Hulu regency of West Kalimantan. Village-scale harvests make Jongkong a limited, seasonal style.
In stockLot GJK4626 on the shelf, tested Apr 13, 2026
Garuda strain archiveNo. 10 of 17

- Vein
- Green vein
- Grown in
- Indonesia
- Mitragynine on file
- 1.50%
- Forms
- Powder
- Testing
- Every batch, ISO 17025 lab, public COA
Mitragyna speciosaFigures from its certificates
Origin and processing
Where does Green Jongkong come from?
Grown in Indonesia. Jongkong sits on the upper Kapuas, on the same river road as the Hulu districts. Harvests there are small, and within-harvest consistency is the local point of pride.
The region in the name: Hulu Kapuas
Jongkong
Vein color, at a glance
The vein names describe how mature the leaf was at picking and how it was processed. Green Jongkong is green vein.
White vein
- Leaf
- Young leaf, early in the growth cycle
- Dry
- Short indoor dry, minimal light
- Mitragynine on file
- 1.28% to 1.49%
This strain
Green vein
- Leaf
- Mid-maturity leaf
- Dry
- Part indoors, part outdoors
- Mitragynine on file
- 1.218% to 1.52%
Red vein
- Leaf
- Fully mature leaf, deep red central vein
- Dry
- Longest dry, often sun-finished
- Mitragynine on file
- 0.7014% to 1.08%
Gold vein
- Leaf
- Fully mature red leaf
- Dry
- A brief ferment, then the dry
- Mitragynine on file
- No lot on file
A smooth, balanced green in the upper-river style, milled fine.
Lab results
What do the lab numbers look like?
Every batch of Green Jongkong Kratom is tested by an independent ISO 17025 accredited laboratory before it is packaged: alkaloid profile (mitragynine and 7-hydroxymitragynine), heavy metals and microbials, plus a pesticide screen on capsule lots. Across the 8 green vein lots on file, mitragynine measured 1.218% to 1.52%. The exact number for any pouch is on its batch COA.
Mitragynine by lot, against each vein’s lots on file
Latest lot
| Batch | Format | Tested | Mitragynine | 7-OH | Lead | Certificate |
|---|---|---|---|---|---|---|
| GJK4626On the shelf | Powder | Apr 13, 2026 | 1.50% | 36.4 ppm | 0.666 µg/g | Certificate for GJK4626 |
7-OH is shown in parts per million (10,000 ppm is 1%). Lead is in micrograms per gram, as the lab reports it.
Shop this strain
Take home the leaf this page describes.
Batch number and alkaloid percentage printed on every pouch. Free shipping on orders over $75; orders before 11am ET ship the same business day.
Green Jongkong questions
Common questions, answered straight.
The short answers. Lab figures come straight from each lot’s certificate.
Strain names describe where the leaf grew and how it was picked and dried. Lab figures describe tested lots, not every pouch. This page is botanical and lab-testing information, not medical advice.
Spotted something out of date? Tell us and we’ll review it.
What is Green Jongkong Kratom?
Green Jongkong is a green vein kratom powder named for Jongkong, a small river village in the Kapuas Hulu regency of West Kalimantan. Village-scale harvests make Jongkong a limited, seasonal style.
Where does Green Jongkong Kratom come from?
Green Jongkong Kratom is Indonesian kratom. Strain names are trade names, so the name describes a style rather than a farm: Mid-maturity leaves, the middle point of the harvest cycle. The lab report for each batch, searchable by the number on the pouch, shows what is in it.
How much mitragynine is in Green Jongkong Kratom?
Across the 8 green vein lots on file, mitragynine measured 1.218% to 1.52%. The one Green Jongkong powder lot on file tested 1.50%. The exact number for any pouch is on its batch COA.
How do I verify the batch in my pouch?
Every pouch of Green Jongkong Kratom carries a printed batch number. Enter it in our public COA archive at hudsonvalleybotanicals.com/coas/ to see that exact lot's independent ISO 17025 lab report: alkaloids, heavy metals and microbials, plus pesticides on capsule lots.
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