Overview

This plant is a member of the nightshade family and produces spicy little fruits known as “chili peppers.” These hot little numbers are believed to have originated in the Americas but have, since the 15th century, become increasingly popular all across the globe. There are hundreds of varieties of chili peppers that vary in color, size, and hotness, but most types are red, green, orange, purple, or yellow in color and pack a serious punch in terms of spice compared to other types of peppers.

The Hidalgo pepper is an heirloom variety that hails from the regions of Central and South America and is very similar in size, color, and heat to the Serrano pepper, which also originated in this area. Hidalgo peppers will grow up to 4′ in height and produce thin, red to scarlet peppers 2–4″ in length that have a heat level slightly above that of the jalapeño (i.e., 6,000–17,000 SHU).

  • Botanical Name: Capsicum annuum
  • Plant Type: Vegetable
  • Variety: Hidalgo
  • Growth Cycle: Annual Perennial
  • Season(s): Spring Summer Fall
  • Climate Zone(s): 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b
  • Light: Full Sun Partial Shade
  • Soil Type(s): Loamy
  • Yield: 0.5–1.5 lbs per plant per year
  • Garden Dimensions: 1 plant per square foot
  • Germination: 10–25 days
  • Maturity: 60–90 days
  • Harvest: 60 days

Cultivation

Propagation

Seed:
Seed Depth: 1/4″
Space Between Plants: 12–24″
Space Between Rows: 24″
Germination Soil Temperature: 60–80°F
Days for Germination: 10–25
Sow Indoors: 8–10 weeks before average last frost date. For fall crop in USDA Zones 9 and above, start in midsummer.
Sow Outdoors: 2–4 weeks after average last frost date.

Vegetative: Can be propagated by taking stem cuttings.

Climate

Grows best in a warm, tropical or subtropical climate. Seeds will germinate slowly in soils below 65°F. Plants can survive light frosts if well protected and can be grown as perennials in USDA Zones 9 and above.

Light

Natural: Full sun. Prefers partial afternoon shade in hot weather.

Artificial: Will grow well under high output fluorescent, LED, or HID lamps. Needs at least 8 hours of light daily; however, more is preferred.

Growing Media

Soil: Prefers well-drained loamy soils. A pH of between 6.0 and 6.8 will keep plants healthy and nourished.

Hydroponics: Thrives in a variety of hydroponic systems, including deep water culture, ebb and flow, and drip system.

Aeroponics: Thrives in aeroponic systems.

Care

Water: Requires low to moderate levels of water. Aim for about 1–`2 inches of water per week. Drought tolerant but will produce more fruit if kept consistently moist. Use drip irrigation to avoid getting leaves wet.

Nutrients: Requires low to moderate amounts of nutrients. Too much nitrogen can result in an abundance of foliage with low fruit production, so make sure fertilizers contain sufficient amounts of phosphorus, calcium, and magnesium. Apply after the first fruits have formed. Sidedress with compost tea once every 3 weeks.

Foliar: Will benefit from foliar applications of 1 tbsp Epsom salts mixed with 1 gallon of water. Apply when blooms start to form and again about 2 weeks later.

Pruning: Perennial plants will benefit from light pruning once or twice per year.

MULCHING: Use mulch to suppress weeds and conserve moisture. While plastic mulches are commonly recommended as a method for retaining heat and moisture while suppressing weeds, we recommend using eco-friendly, reusable landscaping fabric or straw to help your peppers grow.

COVERING: Protect from frosts using row covers or tarps by forming a tent over your plants. Remove during the day.

SUPPORT: Use cages or stakes to provide support for larger plants.

Troubleshooting

Pest(s):

  • Aphids
  • Flea beetle

Disease(s):

  • Blossom end rot
  • Cucumber mosaic virus

DEFICIENCY(S): A calcium deficiency can result in blossom end rot. To remedy this situation, reduce your nitrogen application and/or ensure that you’re keeping your plants evenly watered. If this doesn’t resolve the issue, a calcium-based foliar can help your plants fight off this disorder.

Rotation and Companion Plants

Rotation: A 3-year rotation away from all plants in the Solanaceae family is recommended.

Companions: Grows well with basil, coriander, onion, spinach, tomato, and peas. Avoid beans and kohlrabi.

Harvest and Storage

Harvest: Cut peppers from the plant once they are ripe and have reached their full size, which for this variety is generally between 2–4″ long. Wear gloves when harvesting and avoid touching your face and eyes: capsaicin found in the fruit is a skin irritant.

Storage: Fruits can be refrigerated for up to 10 days.

Other Info

Fun Fact: The Scoville scale was developed by an American pharmacist named Wilbur Scoville in the early 1900s to rank peppers by their levels of heat. This test is done by diluting the heat-producing oil capsaicin with a sugar and water mix. The pepper is then given its ranking based on how much the oil had to be diluted before it couldn’t be tasted. While the test has been ridiculed in recent years for not being an exact process, we’re sure glad it exists—even if only as a guideline–for our mouths’ sakes!

Consumption

Preserve and Prepare

Preserve: Fruits can be dried and ground or crushed for later use as a spice. Also can be frozen.

Prepare: Use small amounts of chopped peppers to give a spicy kick to your favorite curry dishes, Mexican salsas, chili, bean dishes, or casseroles. Try grilling them whole for a smoky side. Homemade hot sauce is always a special treat when you’ve got an abundance of ripe peppers. Always use care or wear gloves when handling fresh peppers, and avoid getting the juices on sensitive skin, especially near your eyes.

Benefits

Nutritional: Provides small amounts of vitamin(s) A, B6, E, C, riboflavin, potassium, and manganese. Also a good source of phytochemicals.

Medicinal: Capsaicin causes blood vessel dilation and boosts metabolism. This can result in reductions of weight, increased circulation, and a suppressed appetite. Additional benefits include regulation of high blood pressure, promotion of a healthy liver and other organs due to increased blood flow and mucus production, and regulation of digestive functions. It has also been classified as a aphrodisiac, so pack some cayenne-infused chocolates on your next date.

Warnings: Capsaicin can be a skin irritant, especially on sensitive skin. Avoid handling peppers with bare hands and always wash your hands well before touching your face (or going to the bathroom!).

Culinary

Slice up some Hidalgo peppers and toss with fresh tomato, onion, cilantro, and avocado for a tasty dip that’s certain to spice up your life!

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