Nitrogen TPM | Trichocereus peruvianus Monstrose

Nitrogen TPM is usually discussed as Trichocereus peruvianus Monstrose associated with the SAB grower/breeder Nitrogen.

This is where naming gets especially muddy: the plant is often called TPM, but TPM is also widely used for pachanoi monstrose material. This page keeps the Nitrogen/peruvianus usage separate.

Names and synonyms

• Nitrogen TPM – preferred disambiguated name for this profile.
• TPM – common abbreviation, but ambiguous.
• Trichocereus peruvianus Monstrose – descriptive name.
• Tr. peru Monstrose – product shorthand.
• Nitrogen Mama / Nitrogen’s TPM – community-style wording around the mother plant.

Classification

Community-reported monstrose Trichocereus peruvianus clone/mother plant associated with Nitrogen breeding work. Keep separate from generic pachanoi TPM.

Provenance notes

Trichocereus.net describes Nitrogen’s TPM as coming from SAB member Nitrogen and says it looks more like Trichocereus peruvianus, even though it is often referred to as Trichocereus pachanoi Monstrosa.

Nitrogen’s TPM, TPC and TPQC appear in many cross names, so the practical value of this profile is often in explaining seed-parent labels rather than selling the original mother clone.

Cactocereus has sold Sharxx Blue x TPM, Rosei 1 x TPM, TPQC x Nitrogen Mama TPC and other TPM-labelled material. Those should be connected here with careful labels.

Visual traits

Cactocereus images used on this profile show TPM crosses, including crested and irregular growth. They should not be read as photos of the original Nitrogen TPM mother plant.

Expect offspring to vary: some may show normal columnar growth, some monstrose expression, some crested growth, and some mixed behaviour.

Growth and cultivation notes

Grow related TPM crosses as Trichocereus seedlings or cuttings, with extra attention to airflow around crested or lumpy sections.

Seedlings from TPM crosses can reveal mutation later, so early normal growth does not always mean the line has no monstrose potential.

Stock formats and Cactocereus notes

Cactocereus should use this profile to explain TPM/Nitrogen parentage in cross names and avoid muddling it with generic pachanoi TPM stock.

Source notes

• Trichocereus.net – Nitrogen TPM
• Trichocereus.net – Nitrogen TPC
• Cactocereus – Sharxx Blue x TPM seedlings

Last reviewed: 2026-06-17. This profile is part of the Cactocereus library build-out and will be refined as better provenance notes, photos and grower observations become available.