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How do the spiciest peppers in the world come to be? Some are genetically developed, and some grow organically. These peppers will set your tongue (or your body) on fire! 15 Hottest Peppers in The World. (No. 1 Will Blow You Away!) This article explores the 15 hottest peppers in the world, including the Carolina Reaper, Komodo Dragon, Trinidad Moruga Scorpion, Chocolate Bhutlah, Seven Pot Douglah, Dorset Naga, Trinidad Scorpion "Butch T", Naga Viper, 7 Pot Brain Strain, Seven Pot Barrackpore, Seven Pot Primo, Infinity Pepper, Trinidad Seven Pot, Seven Pot Jonah, and Ghost Pepper (Bhut Jolokia). The article details their Scoville Heat Units (SHU), growing requirements, and common problems that may arise. It also includes popular sauces made from each pepper. This is an excellent resource for anyone who loves spicy food and wants to explore the world of the hottest peppers. Some of these sensations can be good for you and your health, and others are good for your ego. Be warned - if you eat some of these peppers without first knowing your tolerance, there can be health issues like vomiting, nausea, and intense stomach pain. In Descending Order. No1 Is currently The Hottest Pepper In The World. 1. Carolina Reaper Chili Plant The Carolina Reaper has a 2,200,000 SHU. It first won the title in 2013, then again in 2018 and still holds it today. It will not kill you (in moderation) to eat a Carolina Reaper, or any of these other burning hot chili peppers. They cannot tear or burn through any of your body parts. However, they can cause severe stomach pain, vomiting and nausea. To Grow a Carolina Reaper, you need kitchen goggles and gardening gloves when caring for this plant This is currently the top spiciest Pepper in the world. It needs to be grown with great care. The oils of the Carolina Reaper Pepper can cause severe chili burn, even when still on the vine. When And Where To Grow The Carolina Reaper Like most extra hot peppers, start growing the Carolina Reapers indoors. You can move the seedlings outdoors when they have already grown to be about six inches. Make sure there is no danger that the plant will not be damaged by frost, too. Transfer the plants outdoors during the daytime when the temperature is about 700F or during the night when the temperature is at least 500F. This plant thrives best in warm weather but cannot tolerate temperatures above 850F. When the weather is too hot, the plant will lose its blossoms and will not produce any fruits. Growing Requirements For The Carolina Reaper Light. Carolina Reapers need full sun. Soil. They will also require well-drained soil rich in organic matter. They prefer soil with about 6.5 PH. It is also best to plant the seedlings about 4 feet away from other plants. Water. Carolina Reapers should not be overwatered. Approximately 2 inches of water per week is ideal. Chilli size. When planted in the ground or a suitable container, this plant can grow about 5 feet tall and 4 feet wide. Chili sizes are typically 1 to 3 inches wide and 1 to 3 inches long. When To Harvest The Carolina Reaper It takes about 90 days for the Carolina Reaper to be mature and ready to produce fruits. They are ready for picking when they are green. They will, however, be hotter and have more flavor when they become bright red. Likely Problems With The Carolina Reaper And How To Treat Them Whiteflies and aphids cause Pepper mosaic disease. It can make severely affect the leaves. You can spray water to the plant to manually remove whiteflies and aphids. You can also use insecticidal soap. How Long Does The Carolina Reapers Live? Carolina Reaper plants can last for about 3 to 5 years. Popular Sauces Made From Carolina Reapers Don't Fear the Reaper The Constrictor Chase the Heat Pinengo The Last Dab: Reaper Edition SeaFire Gourmet- Reaper Sauce Torchbearer Sauces - Reaper Evil Hellfire - Fear This You can buy Carolina Reaper seeds from Amazon. 2. Komodo Dragon Chili Plant The Komodo Dragon has between 1,400,000 to 2,200,000 SHU To grow the Komodo Dragon it needs to be handled with great care from the time of planting to harvesting. You need extreme caution when touching this plant. Wear protection for your eyes, breathing, and hands. Sow seeds of the plant indoors at a depth of 1/4-inch into the soil. They will germinate better when planted in warm soil. After eight weeks, you can transplant outdoors. Temperature, air circulation, and temperature are critical for this plant. Too little heat, lack of circulation, and too much moisture will give poor results. Growing Requirements for the Komodo Dragon Light. This plant needs bottom heat and bright light. Soil. It is best planted in rich soil. Water. The soil must always be moist Spacing. Pant in containers or 30-inches apart. Chili Size. It produces bright red elongated fruits between 1-1/2 to 2 inches. Harvest the plant after 100-120 days. Likely Problems With Komodo Dragons And How To Treat Them. Potting soil or plugs can become too wet or too dry. This can lead to the Komodo Dragon plant developing fungus and other diseases. Komodo Dragons can live up to between 3-5 years. Popular sauces made from Komodo Dragon include: 'Smokey Dragon' Hot Chilli Sauce, and Smokey Dragon Hot Sauce You can buy Komodo Dragon seeds from Amazon. 3. Trinidad Moruga Scorpion Chili Plant The Trinidad Moruga Scorpion has between 1,200,000 to 2,000,000 SHU. What Does The Trinidad Moruga Scorpion Need To Grow? The Trinidad Moruga Scorpion seeds and peppers are very hot. You must wear latex gloves when handling them. Thoroughly wash any area of your body that gets into contact with any part of the plant. When And Where Top Grow The Trinidad Moruga Scorpion This plant grows best in temperatures between 750F and 850F because it likes to grow in mildly warm to very hot areas (5-11 USDA hardiness zones). Growing Requirements For The Trinidad Moruga Scorpion Light. Bright sunlight / 6-10 hours of sunlight daily. Soil. Soil rich in nutrient / well-draining soil. Water. Keep the soil moist but not soaked or about three quarts of water twice weekly. Once the pods start coming out, you can use less water to help them grow even spicier water with a sprinkler in the morning or early evening. Spacing. In the planting bed, space your plants two feet apart. Chili Size And Description The pods have wrinkled and polished skin. They have grooves running from the top to the bottom of the fruit. They also have a thin and long tail at the bottom, like the tail of a scorpion. The Pepper changes colour - from a bright green to yellow. It eventually has a glossy bright red color. It is between 2-3 inches long and 1/2 to 1-inch wide. The Trinidad Moruga Scorpions can be harvested after about 150 days or when they become entirely red. Likely Problems With Trinidad Moruga Scorpion And How To Treat Them. Whiteflies, sap-draining aphids, and other pests can get into your pepper plant. When you notice these pests, spray the plant with a water jet to dislodge them. You can also pick by hand beetles, cutworms, and hornworms (wear gloves) and place them to drown in soapy water. How Long Do The Trinidad Moruga Scorpions Live? The plant can live up to between two to six years. Popular Sauces Made From Trinidad Moruga Scorpion Trinidad Moruga Scorpion Hot Sauce Matouk's Trinidad Scorpion pepper sauce CaJohn's Trinidad Scorpion Hot Sauce You can buy these seeds from private sellers, or online, and Amazon. 4. Chocolate Bhutlah Chili Plant The Chocolate Bhutlah has a 2,000,000 SHU. What Does The Chocolate Bhutlah Need To Grow? It needs a lot of care to grow and thrive with the best results. When handling this pepper plant, always wear gloves to prevent the capsaicin from getting to your skin. When And Where To Grow The Chocolate Bhutlah? The Chocolate Bhutlah are late-season bloomers. The seeds require warm temperatures to germinate. Growing Requirements for Chocolate Bhutlah Light. At least 10 hours or more of direct sunlight daily. Soil. Loose and well-draining soil. Water. Always keep the soil moist. Spacing. Space the plants 1.5 to 2-inches apart. Chili Size and Description This pepper plant can grow to 4 feet wide, and long, with big, green, and bushy leaves. The pods are elongated with bumpy and can be 3-cm wide and 8-cm long. The pepper pods start green and turn glossy chocolate brown upon maturity. When To Harvest the Chocolate Bhutlah - It takes about 90 days for the Pepper to brown into maturity. Likely Problems With Chocolate Bhutlah And How To Treat Them. Aphids and spider mites are among the most common pests that may get to your pepper plant. To get rid of these pests, prepare a warm water and soap solution and dunk the pests. How Long Does The Chocolate Bhutlah Live? Chocolate Bhutlah plants can live up to three years. Popular Sauces Made From Chocolate Bhutlah Chocolate Bhutlah Hot Sauce Chocolate Plague You can buy these seeds from your local garden stores, online sites, and Amazon. 5. Seven Pot Douglah Chili Plant The 7 Pot Douglah has a 1,853,986 SHU. What Does The 7 Pot Douglah Need To Grow? Take extra caution when growing the 7 Pot Douglah. Make sure always to wear gloves when handling them. When And Where To Grow The 7 Pot Douglah? The 7 Pot Douglah is grown from seeds in small containers or the ground. They are best planted 6 to 10 weeks before expecting the last frost. Plant them first indoors, about 1/4-inch deep and in temperatures between 750F and 900F. Once the leaves start to develop, your plant can be planted outdoors. Being a native of the Caribbean, they love humidity and hot climate. Growing Requirements For The 7 Pot Douglah Light. Full light, but they will get sun patches when exposed to direct sun. Soil. These plants grow and thrive in warm and well-drained soil. They are sensitive to acid soil, so it is best to use 6.0 to 6.8 PH soil. Water. The soil should always be moist, especially when it starts fruiting. They will need one inch of water every week. Spacing. Plant your pepper plant about 30" apart. Chili Size and Description The 7 Pot Douglah initially is green and becomes deep brown with wrinkles and bumps upon maturity. The Pepper grows to be about 2 inches long. When To Harvest The 7 Pot Douglah This pepper plant will become dark brown and ready for harvest upon maturity. This should be about 60 to 80 from planting. Likely Problems With 7 Pot Douglah And How To Treat Them. Several insects and pests, such as aphids and spider mites, enjoy the 7 Pot Douglah. A healthy sprinkling of dust or organic pesticide should get rid of them. If your plants develop a fungal infection, treat them with fungicides. How Long Does The 7 Pot Douglah Live? This pepper plant should live for about three years or longer. Popular Sauces Made From The 7 Pot Douglah Douglah Volcanic Peppers Death Angry Irishman Frankensauce Death by Douglah Hot Sauce You can buy The 7 Pot Douglah Seeds from Amazon. 6. Dorset Naga Chili Plant The Dorset Naga has 1,598,227 SHU To Grow Dorset Naga plants, they need a lot of care. Make sure you wear gardening gloves when handling this plant because your hands can get burned. You can grow your Dorset Naga plant from seeds or plug plants in a pot, ground, or hydroponic system. Your plant will need a warm place with constant temperatures of 770F to 860F. Growing Requirements for the Dorset Naga Light. Full sun Soil. Fertile and free draining. Acid to acid with 5.0 to 7.0 pH Water. Occasional watering Spacing. At least 60 cm apart. Chili Size and Description The Dorset Naga plant can grow from 24 inches to 36 inches tall. The cone-shaped and wrinkled peppers can be about 5 cm long. The ripened color of the Pepper is green to red. When To Harvest The Dorset Naga Handle the Dorset Naga with care when harvesting. Your peppers should be ripe for harvesting after 95 days. Likely Problems With Dorset Naga And How To Treat Them. Aphids attack the leaves of your Dorset Naga plant. Deal with them with warm soapy water. They typically hide in the underside of the leaves. You can also use pesticides or have insects that prey on the aphids. The Dorset Naga Lives between 1.5 to 3 years Popular Sauces Made From Dorset Naga Dorset Naga Chilli Sauce Runny Dorset Naga Chilli Jam You can buy Dorset Naga seeds online, specifically from Amazon. 7. Trinidad Scorpion "Butch T" Chili Plant The Trinidad Scorpion has a 1,463,700 SHU. What Does The Trinidad Scorpion "Butch T" Need To Grow? This plant has special needs to grow and thrive. Handle the Trinidad Scorpion "Butch T" with extreme caution. Always wear eye, hand, and breathing protection. Experience in the growing of chili plants is advised. When And Where To Grow The Trinidad Scorpion "Butch T" The temperature requirement for Trinidad Scorpion "Butch T" is 700F to 800F. Grow seedlings in pots and transplant them when there are at least six true leaves. Growing Requirements for the Trinidad Scorpion "Butch T" Light. Bright light / full sun Soil. Well-drained soil Water. Keep the moist soil but avoid overwatering, about 1-inch of water per week. Spacing. 30 inches apart. Chili Size and Description The "Butch T" can grow up to 3 feet tall, with the pepper fruit being about 1 to 2 inches long, round, pock-marked, and with a pronounced tail. When to harvest the Trinidad Scorpion "Butch T" The fruits of this plant should be ready for harvest in 90-120 days or when the peppers are very red. Problems With Trinidad Scorpion "Butch T" And How To Treat Them. Aphids and spider mites are the most common pests that attack this plant. You can treat them with dust or organic insecticide. In case of fungal infection, use fungicides. The Trinidad Scorpion "Butch T" lives between 3 to 5 years. Popular sauces made from Trinidad Scorpion "Butch T" Trinidad Scorpion Pepper Hot Sauce Matouk's Trinidad Scorpio Pepper Sauce You can buy Trinidad Scorpion "Butch T" seeds from your local nurseries and Amazon. 8. Naga Viper Chili Plant The Naga Viper has 1,382,118 SHU. To Grow the Naga Viper, You’ll Need Time and much care so that it grows and thrives. Grow from seeds, carefully nurtured during the growth stage. Make sure always to wear protection (eyes, hands, mouth) when handling the plant. When and where to grow the Naga Viper The Naga Viper is a slow-growing plant. They are used to tropical climates and can grow all year round. Start growing them in Spring. Growing Requirements for the Naga Viper Light. Full sun Soil. Well-drained soil that is sandy and loamy and from neutral to acidic. Water. Avoid overwatering. They love the sun and oxygen more than water. Spacing. 2 feet apart. Chili Size and Description The Naga Viper peppers are 1-inch wide and 3 1/2-inch long. They are thin, wrinkly, and elongated, turning red from green upon maturity. The plant can be as tall as 24 to 26 inches tall. You can harvest The Naga Viper after about 100 days. Likely Problems With Naga Viper And How To Treat Them. Aphids, snails, slugs, and red spider mites attack this plant. They can be removed by a water and soap solution. Blossom end rot (brown spots at the end of the fruit and flowers) is a common disease, It is a short-lived perennial. Popular Sauces Made From Naga Viper The Gourmet Gambit - Napa Viper BBQ Sauce Naga Viper Hot Sauce You can buy Naga Viper Seeds from Amazon. 9. 7 Pot Brain Strain Chili Plant The 7 Pot Brain Strain has a 1,350,000 SHU/ What Does The 7 Pot Brain Strain Need To Grow? You will need to carefully take care of the 7 Pot Brain Stain to germinate. You need to be careful yourself and always wear protection. When And Where To Grow The 7 Pot Brain Strain This plant loves warm temperatures. They can be grown in pots or on the ground. Growing Requirements for the 7 Pot Brain Strain Light. Full sun Soil. Well-draining soil. Water. About 1-inch of water per week. Spacing. 30 inches apart Chilli Size and Description The 7-Pot Brain Strain can grow to 4 feet tall. The fruits turn from green to red upon maturity. The fruits are about 2 inches long. They are bulbous, folded, and have a distinct brain-like appearance. You can harvest the 7 Pot Brain Strain after about 120 days. Likely Problems With 7 Pot Brain Strain And How To Treat Them. Aphids and spider mites are the common pests that attack the leaves of this plant. A mixture of water and soap can deal with them. Developing fungal disease is also quite common and can be treated with an organic pesticide. This plant lives for between 1-3 years, Popular Sauces Made From 7 Pot Brain Strain 7 Pot Brain Strain Hot Sauce 7 Pot Brain Strain Yellow and Pear Chilli Sauce You can buy these seeds from Amazon 10. Seven Pot Barrackpore Chili Plant The 7 Pot Barrackpore has a 1,300,000 SHU What Does The Pot Seven Barrackpore Need To Grow? The 7 Pot Barrackpore needs much attention, especially during the germination stage. You need to maintain moisture and the heat range. You also need to protect yourself. When And Where To Grow The Pot Barrackpore Make sure the temperature in the area should be between 750F to 900F. Growing Requirements For The Pot Barrackpore Light. Full light Soil. Well-draining potting soil Water. Keep soil always moist but not dripping wet. Spacing. Plant them 30 inches apart. Chilli Size and Description The Pot Barrackpore is elongated, wrinkled, and pimpled. It is about 1- 3 inches long with a scorpion-looking tail. It becomes red when matured and ready for harvesting. You can Harvest The Seven Pot Barrackpore after 80 - 100 days. Likely Problems With Seven Pot Barrackpore And How To Treat Them. As is typical with all pepper plants, the Seven Pot Barrackpore is prone to pest infestation (aphids and spider mites) and fungal diseases. These can be treated by warm soap water and fungicide, respectively. This plant lives for between 1 - 3 years Popular sauce made from Seven Pot Barrackpore is Gourmet Seven Pot Barrackpore Hot Sauce You can buy these seeds from Amazon. 11. Seven Pot Primo Chili Plant The Seven Pot Primo has 1,268,250 SHU. What Does The Seven Pot Primo Need To Grow? This plant needs a lot of attention, especially during the germination process. Make sure to wear breathing, eye, and hand protection. When And Where To Grow The Seven Pot Primo Grow the plant indoors until germination (14-28 days). You can transplant the plant to the ground or pots when it has at least six true leaves. This plant prefers warm temperatures. Growing Requirements For The Seven Pot Primo Light. Full sun Soil. Rich, deep, and loamy soil. Water. 1-inch of water per week Spacing. Plant 4 feet apart. Chilli Size and Description The Seven Pot Primo can be as tall as 4 -6 inches. The fruit's skin is pimply and bumpy and has a scorpion-like tail. It starts green and turns red upon maturity. There are also yellow and orange versions. It can be 1 - 1.5 inches in diameter and 1-2 inches long. When To Harvest The Seven Pot Primo The Seven Pot Primo is ready for harvest in 90 days. Likely Problems With Seven Pot Primo Need And How To Treat Them. Common pests include tomato heartworms, cutworms, and aphids. They need to be removed with a soap and water mixture or organic pesticides. Fungal disease can hit the leaves and can be treated by fungicides. How long does the Seven Pot Primo live? 1-3 years Popular Sauces Made From Seven Pot Primo 7-Pot Primo Chili Pepper CaJohns Sauce 7-Pot Primo Class Clown Chili Sauce You can buy these seeds from Amazon 12. Infinity Pepper Chili Plant The Infinity Pepper has 1,250,000 SHU What Does The Infinity Pepper Need To Grow? They need much care and attention, especially during the germination process. When And Where To Grow The Infinity Pepper The Infinity Pepper prefers warm temperatures 700F to 800F during the germination process. When real leaves start to grow, the plant can be transferred outdoors, either on pots or on the ground. Growing Requirements for the Infinity Pepper Light. Full sun / at least 6 hours or more of sunlight per day Soil. Permeable soil / well-draining soil Water. Keep the soil moist. Spacing. About 28 to 24 inches apart. Chilli Size and Description The Infinity Pepper is bulbous and can be up to two inches long and 2.5 inches wide. It has thick, wrinkled, and rough skin and a pointy tail. It starts green then turns red upon maturity. The Italian Pepper plant can be 30 to 36 inches in height. You can harvest this plant after about 90 days or when it turns red. Likely Problems With Infinity Pepper And How To Treat Them. As is common with all pepper plants, the Infinity Pepper is vulnerable to aphids, which can remove a soap and water solution. Fungus also tends to attack the leaves and can be treated by fungicides. This plant lives for up to 5 years or more as a perennial. Popular Sauces Made From Infinity Pepper Original Infinity Sauce Chipotle Infinity Sauce You can buy these seeds online, specifically from Amazon. 13. Trinidad Seven Pot Chili Plant Trinidad 7 Pot has 1,200,000 SHU What Does The Trinidad Seven Pot Need To Grow? The Trinidad 7 Pot plant needs extreme care to grow. It also requires caution to handle. When And Where To Grow The Trinidad Seven Pot It’s best to start growing this plant in early Spring and indoors for the first eight weeks. It requires a warm temperature - 850F bottom heat. Transplant outdoors when six true leaves become visible. Growing Requirements for the Trinidad Seven Pot Light. Bright light Soil. Well-draining soil. Water. Soil should be consistently moist Spacing. At least 30 inches apart Chilli Size and Description The Trinidad 7 Pot has an elongated shape with pocked and wrinkly skin. It has a scorpion-like tail and is one 1/2-inch wide and 2 inches long. The plant turns from green to red when it matures. You can harvest The Trinidad Seven Pot plant after 180 days or when the fruit turns red. Likely Problems With Trinidad Seven Pot And How To Treat Them. Pests and fungal infestations are two of the most common enemies of Trinidad 7 Pots. A soap and water mixture can remove pests (aphids and mites). You can also introduce insects that prey on the actual pests. This plant lives for about three years or longer Popular Sauces Made From Trinidad Pot CaJohn's Trinidad 7-Pot Hot Sauce Heartbreaking Dawns 7-Pot Hot Sauce You can buy these seeds online, such as Amazon. 14. Seven Pot Jonah Chili Plant The 7 Pot Jonah has 1,200,000 SHU What Does The Seven Pot Jonah Need To Grow? Experience in growing pepper plants is needed to grow this plant successfully. Extreme caution should be observed for your own protection when handling the plant. When And Where To Grow This Plant Like all pepper plants, it grows and thrives well in warm temperatures. Start off by growing it indoors during the germination process. Transplant it outdoors in pots or on the ground when at least six leaves show. Growing Requirements for the Seven Pot Jonah Light. Full sun / at least 8 - 10 hours of sunlight per day Soil. Well-draining soil. Water. Always keep the soil moist. Avoid overwatering. Spacing. 30 inches apart. Chilli Size and Description The Seven Pot Jonah has thick walls and slightly wrinkled skins. The surface area is lumpy and pimply with a small Scorpion tail. It weighs about half an ounce and can be 2 to 4 inches long. It turns from green to red when mature. You can harvest The Seven Pot Jonah after about 90 days or when they turn from green to red. Likely Problems With Seven Pot Jonah And How To Treat Them. Pests can be dealt with using a mixture of water and soap. Fungi disease, commonly hitting underneath the leaves, can be treated with fungicides. How Long The Seven Pot Jonah Live It can last for up to 5 years or more, either on the ground or in a pot. Popular Sauces Made From Seven Pot Jonah Seven Pod Jonah Chilli Jam Pot Jonah Powder You can buy these seeds from Amazon 15. Ghost Pepper (Bhut Jolokia) Chili Plant The Ghost Pepper (Bhut Jolokia) has 1,041,427 SHU It’s considered the ‘mildest’ of the 15 hottest peppers. What Does The Ghost Pepper (Bhut Jolokia) Need To Grow? Ghost Pepper plants are particular about humidity and temperatures. They can have a growing season longer than three months if grown in high humidity areas with temperatures above 700F. When And Where To Grow The Ghost Pepper (Bhut Jolokia) To ensure a long growing season, start seeding Ghosts peppers indoors, about 12 weeks before the last frost date. The plant can be transferred outdoors when night temperatures are above 600F. Growing Requirements For The Ghost Pepper (Bhut Jolokia) Light. Full sun / Bright, hot, and direct sunlight Soil. Moist / loamy/ well-draining / slightly acidic (6 to 6.8 pH ) Water. Water when the soil is dry Spacing. 2 feet apart Chilli Size and Description The Ghost Pepper (Bhut Jolokia) is red, but it can also be yellow-orange or chocolate. They have slightly wrinkled skin. The Ghost Pepper (Bhut Jolokia) plant can be about 3 feet wide and 4 feet tall. You can harvest The Ghost Pepper after 120 – 150 days or when it turns red from green. Likely Problems With Ghost Pepper (Bhut Jolokia) And How To Treat Them. The Ghost Pepper (Bhut Jolokia) is at risk of common pests (aphids, thrips, snails, slugs, spider mites) and diseases (fungal and bacterial diseases) regardless of whether they are born indoors or outdoors. Remove pests with warm soapy water or organic pesticides. Diseases can be dealt with by using fungicides. The Ghost Pepper (Bhut Jolokia) can live for between 4 - 6 years Popular Sauces Made From Ghost Pepper (Bhut Jolokia) Ghost Pepper Hot Sauce You can buy these seeds from Amazon The Current 15 Spiciest Peppers Globally Being the 15 spiciest peppers in the world for many years has caused them to be much sought after. However, new hybrid peppers are being released almost every year to compete for the top spot. How to Measure the Spiciness Everyone has a version of what spicy means to them. So, how is a pepper named the spiciest in the world? There is a scientific way of measuring the levels of spiciness of peppers. In 1912, Wilbur Scoville, an American Pharmacist, created measuring the spiciness of peppers through the Scoville Scale. The Scoville Scale is a tool that measures the spiciness of the Pepper. The scale quantifies the amount of capsaicin (a chemical compound in Pepper that makes it spicy) in Pepper. A number, known as the Scoville Heat Units (SHUs), is then assigned as the rating of a pepper. Capsaicin is typically found in the seeds and ribs of a pepper. To learn the SHU of Pepper, use an alcohol extract of capsaicin from a dried pepper mixed with a water and sugar solution until a panel consisting of a human taste-tester can no longer detect the spiciness of a panel the Pepper. This test was known as the Scoville Organoleptic Test. If a pepper, for example, has a SHU of 500, that means the capsaicin extract from the Pepper had to be diluted in a water and sugar solution 500 times for tasters to no longer taste the spiciness of the Pepper. A SHU is then allocated to the Pepper depending on the dilution required so the human taste testers can no longer taste the spiciness of Pepper. If the number of dilutions is less, the rating is lower, and the Pepper is less spicy. Therefore, the Scoville Test depended on the sensibility of the human taste-testers. Today, there is a more sophisticated method of determining the spiciness of Pepper. The High-performance liquid chromatography (HPLC) or the Gillette Method measures the volume of capsaicinoids in Pepper without depending on the sensibility of human taste-testers. The Scoville Scale determines Pepper's amount of pure capsaicin content. The scale can detect up to 16,000,000 SHU. SHU is the only unit of measure that is internationally recognized to rank the spiciness of Pepper scientifically. Final Thoughts on the 15 Hottest Peppers in The World. There are only two forms of heat. You either cause a sensation of bodily heat, or You cause a burning sensation on the tongue Each person's heat tolerance is different – and was so ordained as part of their genetic formula at birth. These 15 listed peppers are impossible for some to eat, while others will try to eat the hottest and spiciest. We suggest you err on the side of caution while testing your own personal heat tolerance. Some like it hot, and some like it hotter, and an entire worldwide business is devoted to those desires. Read More: Chocolate Bhutlah – As Hot as the Carolina Reaper? Difference Between Peppers & Chilies (With Comparison Chart) Best Tips on How to Get Jalapeno Out of Your Eye!