Serrano Pepper Seeds (Hot Type) 1937. This smaller Mexican hot pepper is spicier than Jalapeno making it great for hot salsa or for eating raw. Peppers average 7.5 cm (3″) in length and 1.25 cm (1/2″) in width. Colours range from red to yellow to brown at maturity. They are delicious when pickled or dried. Scoville Heat Unit Rating – 23,000. Scoville Heat Units – The Scoville heat unit (SHU) rating is your guide to the perceived hotness of peppers caused by the active component capsaisin. The scale runs from about 2500 SHU for the mildest Anaheim to several million SHU. Our hottest is the Caribbean Red Hot at 400,000 SHU. How to Grow 160 seed/gram. Start indoors mid February to late March. Use a soil-less growing mix. Sow seed 6 mm (1/4″) deep. Maintaining the growing medium at a temperature of 21 C (70 F) will enhance germination. Grow the seedlings under bright light and temperatures of 16-21 C (60-70 F) to produce strong, stocky plants. Transplant after hardening off, in late May to early June. Full sun and a well-drained soil is best. Space the plants 30 cm (12″) apart in rows spaced 60 cm (24″) apart. Control weeds and avoid high nitrogen fertilizers. Try harvesting the peppers at different maturities to experience a wider range of flavours and textures. Staking is recommended with most varieties. Note: Estimated days to maturity are based on counting the days after transplanting.
