It’s best to wait until at least two weeks after planting tomatoes to plant jalapeno peppers in the garden. The pepper variety plays a big part in how fast it germinates. Cover the seeds with soil and place in a warm location (75–80°F) with relatively low light. 6.3 years ago jalapeno, peppers, seed saving. Removing flesh Tying onto string Hanging to dry. Depending on the variety, peppers are ready for harvest 65 to 85 days after planting. How to Grow Jalapeno Peppers from Seed . When To Plant Jalapenos. They grow relatively small 2-3 feet and require 2-3 gallon container for growing. Start pepper seeds indoors in mid to late winter to get a head start on the growing season. Plant two or three seeds per container at a depth of 1/4 inch. Planting Jalapeno Seeds (Germination) Planting seeds is easy. Then I hang the peppers up until the seeds dry. Saving Seeds. Sowing Sweet Jalapeno Pepper Seeds: Like other pepper varieties, it is best to start Jalapeno pepper plants indoors. Place 2-3 seeds in plugs or a seed tray and top with a tiny amount of compost or seedling soil. Remove seeds. I will remove the outside flesh, leaving the stem and seeds on. However, there are some important things to know before slapping some seeds in a pot of soil. Follow the seed packet for optimal planting depth. Water the soil. I am attempting to grow the best pepper plants I can indoors (grow box) so I started with jalapeno peppers. You’ll know they’re dry when you can flick off a few with your finger. Namely, the ideal timing and the environment of the germination. To save hot pepper seeds from ripe peppers, I use a method taught by my friend, Wilma. In contrast, jalapeno pepper plants will not produce an abundance of fruit when the temperature is over 90 F. (32 C.) Temperature is critical, and unless it’s warm enough, pepper seeds won’t sprout and transplants won’t survive. Planting in the Garden: To get an early start with your pepper plants, particularly in the North, cover the prepared bed with a dark colored polyethylene mulch at least a week before transplanting. Pepper plants require a warm growing season in order to produce fruit. This will heat the soil beneath and provide a better growing condition for young pepper plants. You don’t need a grow light to germinate your seeds, but chillies are a bit trickier to sprout than other edibles.. Seed germination can take 2 - 3 three weeks. Sow seeds indoors six to eight weeks or more before the last frost date for your area. Although you won't be growing all the seeds, planting extra is a good a precaution in case a few don't germinate. Ripe pepper fruits are bursting with viable seeds that can be stored for the next season's planting. Keeping the soil moist is crucial until the seeds germinate. How to save jalapeno seeds. Sow seeds 1/4" deep, and cover with light, seed starting soil. Some pepper seeds grow within a few days, others take a couple of weeks and some never come up at all.