Pre-orders for 2027 open in early January. Plants are expected to ship from mid-April.
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What makes it special?
T-Rex Mustard is an extraordinary superhot from the Douglah × Bhutlah cross. Its large, heavily wrinkled fruit doesn't ripen classic red, but in striking mustard-green to yellowish-brown tones.
The variety reaches up to 1,200,000–1,400,000 SHU per the breeder. Based on our tests, we clearly rate it at heat 10+++ and treat the Scoville range transparently as a breeder claim, not an independent measurement.
We raise the plants ourselves in Illmitz. For experienced superhot fans, T-Rex Mustard is especially interesting for the combination of extreme heat and its unusual mustard colouring.
Flavour & Use
With T-Rex Mustard, extreme heat is clearly the main feature. Per Red Dragon Seeds, the variety comes in at roughly 1,200,000–1,400,000 SHU.
For this specific line, there isn't a sufficiently consistent flavour description that we'd want to adopt as a confirmed varietal trait. So we stick to the confirmed points: superhot heat, a striking mustard colour, and very sparing use.
It's suitable, in the tiniest amounts, for ferments, extremely hot sauces, chilli oil or powder. When cutting and processing, we recommend gloves and particular care.
Fruit & Plant
T-Rex Mustard belongs to Capsicum chinense and is a cross of Douglah × Bhutlah.
Typical is large, irregular, heavily wrinkled fruit. At full ripeness, it develops mustard-green, olive-yellow to yellowish-brown tones – hence the "Mustard" in the name.
Like many superhot chinense varieties, the plant needs plenty of warmth and a long season to fully ripen its fruit.
Growing & Care
For T-Rex Mustard, we recommend a full-sun, very warm and sheltered spot. In our climate, a greenhouse or polytunnel is especially worthwhile, since the variety needs a long, warm season.
For pot growing, we recommend at least 8 litres, ideally 10 litres of soil volume. If you have the space, 15–20 litres is ideal.
The substrate should be nutrient-rich and well-draining. Water evenly, but avoid waterlogging. Feed regularly and moderately with a suitable tomato or vegetable fertiliser during growth and fruiting.
The plant is frost-sensitive but can be overwintered frost-free.
Variety Data
Botanical species: Capsicum chinense
Cross: Douglah × Bhutlah
Heat: superhot / extremely hot; heat 10+++ with us
Scoville: approx. 1,200,000–1,400,000 SHU per the seed supplier
Fruit colour: mustard-green to yellowish-brown at full ripeness
Fruit shape: large, irregular and heavily wrinkled
Growth: vigorous, typical of late-ripening Capsicum chinense superhots
Ripening time: late; needs a long, warm season
Position: full sun, very warm and sheltered
Suitable for: pot, patio, greenhouse and very sheltered outdoor spots
Pot size: at least 8 litres, ideally 10 litres; 15–20 litres ideal
Use: fermentation, extremely hot sauces, chilli oil and powder
Overwintering: possible frost-free
Special feature: mustard-coloured superhot from Douglah × Bhutlah
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T-Rex Mustard - Chilli Plant
Regular price€5,99 EUR
Regular priceSale price€5,99 EUR
WANT TO LEARN MORE?
T-Rex Mustard – mustard-coloured superhot with 1.2–1.4 million SHU
T-Rex Mustard is a striking superhot from the Douglah × Bhutlah cross. Instead of ripening classic red, it develops mustard-green to yellowish-brown fruit with a heavily wrinkled, irregular surface. That gives it a clear place among our special chilli rarities.
How hot is T-Rex Mustard?
Red Dragon Seeds states roughly 1,200,000–1,400,000 SHU for T-Rex Mustard. We treat this range transparently as a breeder claim and rate the variety at heat 10+++. That places it clearly in the superhot range, to be used only in very small amounts.
What does "Mustard" mean in a chilli?
With varieties like this, "Mustard" describes the unusual ripening colour. Rather than turning a bright red, the fruit shows mustard-green, olive-yellow to yellowish-brown tones at full ripeness. Combined with the coarse, heavily wrinkled surface, T-Rex Mustard has a particularly striking look.
T-Rex Mustard in the kitchen
Given the extreme heat, the tiniest amounts go a long way. The variety suits strongly dosed ferments, extremely hot sauces, chilli oil or powder. When cutting and processing, we recommend gloves and particular care with skin and eye contact.
Growing a long-season superhot
As a Capsicum chinense, T-Rex Mustard needs plenty of warmth, sun and time. A greenhouse or very sheltered spot is ideal in our climate. In a pot, we recommend at least 8 litres, ideally 10 litres; 15–20 litres is ideal. You'll find more varieties at the top end of the heat scale among our extremely hot chilli plants. A well-known superhot for comparison is also the Carolina Reaper.
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Super friendly service when buying chili plants, and the products are truly excellent. My #1 source for heat :) The ultimate compliment came from an Indian colleague who said that with Tschida chili sauces, he can finally enjoy the level of heat he knows from home here in Europe!
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WE'RE CELEBRATING!
More than just chillies is growing here right now: our new headquarters and our new greenhouse are taking shape. With our topping-out celebration we're marking an important milestone – and we'd love you to share in it!
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valid until 31.10.2026
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