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On this page, I talk about planting and growing peppers, with many helpful tips and some advice based on my (David's) own experiences.
There are three main groups of peppers: sweet bell, sweet specialty peppers and hot peppers.
While sweet peppers are limited to bell and specialty, hot peppers have a lot of choices.
There are the usual hot peppers but then there are cayenne, chili, jalapeno, Serrano and ornamental peppers. There are probably more but these are the ones we focus on.
Peppers are graded on their Scoville rating. This rating gives the heat level of each pepper. However this rating is an estimate of how hot a pepper will be. It is not an exact science since growing environments play a role in how much "heat" a certain type of pepper will have.
Read our article on germination here.
Bell pepper seeds will generally come up in 14 to 21 days. They will pretty much all come up within a few days of each other.
Hot pepper seeds can take 21 to 28 days to come up. However, from the day the first seed comes up, it can take one to two weeks to achieve complete germination.
Reaper and ghost pepper are two that fall into this category.
Peppers grow at various speeds. Bells grow fairly fast while hot peppers are slower with the reaper and ghost being some of the slowest. It can take months to get even a six inch plant.
Peppers can be harvested when green or let them ripen to their mature color — providing you with a longer harvest window as well as the opportunity for stunning multi-color market displays. You can eat many of them fresh, while some will need to be dried, pickled, and with the proper equipment, roasted.
Peppers, like tomatoes, love the heat and hate the cold. They do not like temps below 50 degrees F and will not produce when temps are above 90 degrees.
Sow seeds 8 weeks prior to planting outside. Pepper seeds should be planted ¼" deep in a fine-textured seed-starting mix or vermiculite to provide good drainage.
Even though they can be directly sown, I would suggest starting inside.
I like to recommend using 4 x 4 square black pots or 3 inch CowPots to start the seeds in.
When the seedlings are about 7 to 8 weeks old, they should be 6 to 8 inches tall.
Ideally, they will have some buds but no open flowers.
Harden off the plants before planting outside.
Peppers perform best in well-drained, fertile soils with a pH of 6.5. Abundant levels of phosphorus and calcium will result in better yields.
When the weather has settled and the threat of frost has passed, the
peppers can be planted into the garden.
Bury them a bit deeper than the root ball to encourage additional root growth that will make them sturdier.
Plastic mulch and row cover can be used to increase warmth and hence, earliness and yield. You can use hoops to prevent the row cover from rubbing across the plants' tender growing tips.
Peppers have perfect flowers, meaning each flower has both male and female parts and the plants can self-pollinate. Bees and other pollinators are not absolutely necessary for fertilization and fruit production.
Exposing the seedlings to controlled cold treatments can increase the number of flowers and fruits. When the third true leaf appears, grow the plants at a minimum night temperature of 53 to 55°F for 4 weeks. The plants should receive full sunlight.
After 4 weeks adjust temperature to 70°F day and night. If this technique is used, peppers should be seeded 1 to 2 weeks earlier than usual.
To prevent bacterial spot and Phytophthora, drip irrigate only, plant in well-drained soils and minimize soil compaction.
Sunscald is caused by an inadequate foliage canopy. Prevent blossom end rot with adequate soil calcium and regular moisture.
Big bushy plants with few peppers can be caused by an excess of nitrogen, hot or cold temperature extremes during the flowering period.
Most peppers can be picked green or left on the plant until they mature to their ripened color.
Hot pepper plants will grow to a height of 12 to 24 inches while sweet peppers can grow from 12 to 48 inches tall. I did have some hot pepper plants last year (May 2019) that grew to 48 inches tall.
Picked fresh, they will last about two weeks in the refrigerator. Most peppers can be dried thus adding months to their shelf life.
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All of the variety information on the David's Garden Seeds® website, including the days to
maturity, color and size are based on data from tests done at specific
locations. Many factors, including geographic location, daytime and
nighttime temperatures, the availability of plant nutrients, many unknown climate factors and insects/pest interact to determine a variety's
performance. For information on which varieties will perform best in
your area, we recommend that you contact your local county extension agent or a Master Gardener.
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