The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Common Weed Mix
Xanthium strumarium, Plantago lanceolata, Chenopodium album, Amaranthus retroflexus and Salsola kali · AMARANTHUS RETROFLEXUS POLLEN 8000 [PNU]/mL; SALSOLA KALI POLLEN 8000 [PNU]/mL; PLANTAGO LANCEOLATA POLLEN 8000 [PNU]/mL; XANTHIUM STRUMARIUM POLLEN 8000 [PNU]/mL; CHENOPODIUM ALBUM POLLEN 8000 [PNU]/mL · Solution · Intradermal; Percutaneous; Subcutaneous · Greer Laboratories, Inc.
NDC 22840-9313-04 · 50 mL in 1 VIAL, MULTI-DOSE · BLA · View full market →
Medicare Part D
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Is this a "specialty" drug?
There's no legal definition — it meets 2 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program
Regulatory
- Application
- BLA101833
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Xanthium strumarium, Plantago lanceolata, Chenopodium album, Amaranthus retroflexus and Salsola kali (Solution)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN 8000 [PNU]/mL; SALSOLA KALI POLLEN 8000 [PNU]/mL; PLANTAGO LANCEOLATA POLLEN 8000 [PNU]/mL; XANTHIUM STRUMARIUM POLLEN 8000 [PNU]/mL; CHENOPODIUM ALBUM POLLEN 8000 [PNU]/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .0002 g/mL; SALSOLA KALI POLLEN .0002 g/mL; PLANTAGO LANCEOLATA POLLEN .0002 g/mL; XANTHIUM STRUMARIUM POLLEN .0002 g/mL; CHENOPODIUM ALBUM POLLEN .0002 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .01 g/mL; SALSOLA KALI POLLEN .01 g/mL; PLANTAGO LANCEOLATA POLLEN .01 g/mL; XANTHIUM STRUMARIUM POLLEN .01 g/mL; CHENOPODIUM ALBUM POLLEN .01 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .02 g/mL; SALSOLA KALI POLLEN .02 g/mL; PLANTAGO LANCEOLATA POLLEN .02 g/mL; XANTHIUM STRUMARIUM POLLEN .02 g/mL; CHENOPODIUM ALBUM POLLEN .02 g/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN 4000 [PNU]/mL; SALSOLA KALI POLLEN 4000 [PNU]/mL; PLANTAGO LANCEOLATA POLLEN 4000 [PNU]/mL; XANTHIUM STRUMARIUM POLLEN 4000 [PNU]/mL; CHENOPODIUM ALBUM POLLEN 4000 [PNU]/mL | Jul 22, 2026 | Sep 2, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN 8000 [PNU]/mL; CHENOPODIUM ALBUM POLLEN 8000 [PNU]/mL; PLANTAGO LANCEOLATA POLLEN 8000 [PNU]/mL; SALSOLA KALI POLLEN 8000 [PNU]/mL; XANTHIUM STRUMARIUM POLLEN 8000 [PNU]/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN 4000 [PNU]/mL; CHENOPODIUM ALBUM POLLEN 4000 [PNU]/mL; PLANTAGO LANCEOLATA POLLEN 4000 [PNU]/mL; SALSOLA KALI POLLEN 4000 [PNU]/mL; XANTHIUM STRUMARIUM POLLEN 4000 [PNU]/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .01 g/mL; CHENOPODIUM ALBUM POLLEN .01 g/mL; PLANTAGO LANCEOLATA POLLEN .01 g/mL; SALSOLA KALI POLLEN .01 g/mL; XANTHIUM STRUMARIUM POLLEN .01 g/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .0002 g/mL; CHENOPODIUM ALBUM POLLEN .0002 g/mL; PLANTAGO LANCEOLATA POLLEN .0002 g/mL; SALSOLA KALI POLLEN .0002 g/mL; XANTHIUM STRUMARIUM POLLEN .0002 g/mL | Jul 15, 2026 | Jul 15, 2026 |
| Greer Laboratories, Inc. | AMARANTHUS RETROFLEXUS POLLEN .02 g/mL; CHENOPODIUM ALBUM POLLEN .02 g/mL; PLANTAGO LANCEOLATA POLLEN .02 g/mL; SALSOLA KALI POLLEN .02 g/mL; XANTHIUM STRUMARIUM POLLEN .02 g/mL | Jul 15, 2026 | Jul 15, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Common Weed Mix — NDC 22840-9313-04," retrieved September 3, 2026, https://drugdashboards.com/drug/22840931304.
Free to cite with attribution — see how the data is put together.