TRRXU Mustard

TRRXU Mustard is a modern superhot pepper line sold by Matt's Peppers as a selection from Idaho Chile. The live seller note explains that the line came from seed sown in 2023 that had been harvested from 2022 plants, when unexpected purple plants appeared in the grow. Idaho Chile traced the most likely pollen donor to either WHP 053 or Reaper Purple Peach, placing TRRXU Mustard within the recent hobby-bred superhot scene built from accidental or opportunistic crosses and then selected into named colour branches.

The line is tied to the wider TRRXU family sold in yellow, mustard, red, and brown selections, showing that this is a segregating chinense family being selected by ripe colour. The likely parent material gives the line its character. WHP 053 is described as a dark-trait pepper with purple colouring and peach-orange mature pods, while Reaper Purple Peach is a very hot Carolina Reaper x Pimenta Puma type with strong anthocyanin expression and peach-toned mature fruit. The mustard branch sits within that family as the mustard-ripe selection.

In overall character, TRRXU Mustard aligns with the T-Rex mustard-type superhot stream in both heat and fruit finish. Current live sources for T-Rex Mustard describe gnarly, wavy, elongated pods, often with a pronounced tail or stinger, very high productivity, and a strong superhot burn with earthy, sweet, fruity, or slightly citrusy flavour notes. Ripe fruit is described as mustard, brownish yellow, or yellow leaning toward mustard tones rather than a clean bright yellow. Those same live sources place the heat in the upper superhot range, commonly around 800000 to over 1000000 SHU.

A major factual conflict affects the exact breeding history. Idaho Chile identified the likely pollen donor as either WHP 053 or Reaper Purple Peach, but not with certainty, so the precise paternal parent is unresolved. That uncertainty changes the exact pedigree record, but the line's core identity in live circulation remains consistent as a recent U.S. hobby-bred mustard superhot Capsicum chinense selection from the TRRXU family.