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GROW IN ABUNDANCE: Perennial Peppers In San Diego - How To Cultivate Year-Round Heat

By Sommer Cartier, for Let’s Talk Plants! September 2024.



Perennial Peppers in San Diego - How to Cultivate Year-Round Heat


San Diego’s mild Mediterranean climate provides a unique opportunity for gardeners to grow a variety of plants throughout the year. Among these, peppers stand out for their versatility and flavor. While peppers are classified as a warm season crop, it’s possible to cultivate them as perennials in San Diego’s climate with the right techniques.



Below is a guide on how to perennially grow peppers in this beautiful region.


Understanding Peppers as Perennials

Peppers are typically grown as annuals, meaning they complete their life cycle in one year. However, in warmer climates like San Diego’s, where winters are mild and frost is rare, peppers can be grown as perennials. Rather than replanting peppers every year, you can have a continuous harvest from the same plants over multiple seasons.


Choosing the Right Varieties

The first step to perennializing peppers is selecting the right varieties. In San Diego’s climate, which features mild winters and warm summers, it’s best to choose varieties that are more resilient and adapted to the subtropical conditions. Look for pepper varieties known for their longevity and robustness, such as:

• Bell Peppers: Varieties like California Wonder and Big Bertha are well-adapted.

• Hot Peppers: Jalapeno, Serrano, or Habanero are great for heat and flavor.

• Sweet Peppers: Varieties such as Cubanelle or Poblano work well.



Planting and Soil Preparation

Plant your peppers in a location with full sun exposure. Peppers need at least 6-8 hours of direct sunlight daily to thrive. Ensure the soil is well-draining and rich in organic matter. San Diego’s sandy soils benefit from the addition of compost or well-rotted manure to improve fertility and water retention.


Prepare the planting area by mixing in organic compost and ensuring good drainage to prevent root rot. Plant your pepper seedlings or seeds in late spring or early summer, to give them a strong start.


Care and Maintenance

Peppers require consistent moisture, but overwatering can lead to root issues. Water deeply and allow the top inch of soil to dry out between waterings. During San Diego’s hotter months, you might need to increase watering frequency, but be cautious not to waterlog your plants.


To support vigorous growth and fruit production, feed the plants every 4-6 weeks during the growing season with a well balanced fertilizer.


Prune your plants regularly to maintain plant health and encourages better airflow, reducing the risk of diseases. Remove any dead or yellowing leaves and spent flowers to promote new growth and fruiting.


Overwintering Your Peppers

• San Diego’s winters are relatively mild, but young pepper plants can still benefit from some protection. Here are some tips to help your peppers survive the winter:

• Apply a layer of mulch around the base of the plants to insulate the soil and regulate temperature.

• If an unusually cold spell is expected, use frost cloths or blankets to cover the plants at night.

• Consider growing peppers in containers that can be moved to a sheltered location during colder periods.


Harvesting and Rejuvenation

Regularly harvesting ripe peppers encourages continuous fruiting. Even as perennials, pepper plants will slow down production in winter but can rebound in the spring. If plants become leggy or overgrown, cut them back to promote new growth.

Perennializing peppers in San Diego is a rewarding endeavor that can provide a year-round harvest of fresh, flavorful peppers. By selecting the right varieties, preparing the soil properly, and giving your plants consistent care, you can enjoy a bountiful pepper harvest season after season.


Read more about peppers from Sommer here:

Recipes using peppers can be found here:

And here:


 


Master of Arts, International Development and Social Change

Clark University



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