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Hot Pepper 'Jalapeño M'

Capsicum annuum 'Jalapeño M'

The improved version of America's most popular hot pepper, bred for consistent size, earlier maturity, and reliable heat levels. These classic jalapeños deliver the perfect balance of moderate heat and fresh pepper flavor that makes them indispensable in kitchens everywhere. Heavy-producing plants ensure you'll have plenty for fresh salsas, stuffing, and pickling all season long.

Harvest

65-75d

Days to harvest

📅

Sun

Blossom-End Rot of Tomato

☀️

Zones

4–11

USDA hardiness

🗺️

Height

1-3 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Harvest

Start Indoors

Transplant

Harvest

Showing dates for Hot Pepper 'Jalapeño M' in USDA Zone 7

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Zone Map

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Hot Pepper 'Jalapeño M' · Zones 4–11

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing12-18 inches

SoilWell-drained, fertile soil with organic matter

pH6.2-7.0

Water1-1.5 inches per week, consistent moisture

SeasonWarm season

FlavorModerate heat (2,500-8,000 Scoville units) with bright, fresh pepper flavor

ColorDark green when fresh, red when fully mature

Size2.5-3.5 inches long, 1 inch wide

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	April – April	June – July	—	August – October
Zone 4	March – April	June – June	—	August – October
Zone 5	March – March	May – June	—	August – October
Zone 6	March – March	May – June	—	July – September
Zone 7	February – March	April – May	—	July – September
Zone 8	February – February	April – May	—	June – August
Zone 9	January – January	March – April	—	May – July
Zone 10	January – January	February – March	—	May – July

Complete Growing Guide

Light: Blossom-End Rot of Tomato, Pepper, and Watermelon. Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage. Water: KAP-sih-kum AN-yoo-um. Height: 1 ft. 0 in. - 3 ft. 8 in.. Spread: 0 ft. 6 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Fruits are a non-pulpy berry and vary considerably across cultivars. Some are long, thin, bright red, and spicy; others are thick, large, and sweet-tasting; others still are small and in ornamental shapes and colors, grown as decoration.

Color: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Type: Berry. Length: 1-3 inches. Width: < 1 inch.

Garden value: Edible, Good Dried, Showy

Harvest time: Summer

Bloom time: Summer

Edibility: Fruits edible, but spiciness is unpredictable in intensity.

Storage & Preservation

Fresh Jalapeño M peppers keep best stored unwashed in a perforated plastic bag in your refrigerator's crisper drawer, maintaining quality for 1-2 weeks at 45-50°F. Avoid storing below 40°F, which can cause chilling injury and accelerate spoilage.

For longer preservation, freezing works exceptionally well — simply wash, remove stems, and freeze whole peppers in freezer bags for up to 8 months. Frozen jalapeños work perfectly for cooked dishes but will be soft when thawed. Pickle them using a standard hot water bath canning method with vinegar-based brine for shelf-stable storage up to one year. Alternatively, slice and dehydrate at 125°F until crisp (8-12 hours) to create your own chipotle-style seasoning. String whole peppers on thread and air-dry in a warm, well-ventilated area for 2-3 weeks for traditional ristras.

History & Origin

Origin: Tropical North and South America

Advantages

+Disease resistance: Deer, Drought, Heat
+Attracts: Songbirds
+Wildlife value: Birds are immune to the capsaicin in peppers and can safely eat the fruits with no ill effects. Therefore, these plants may attract birds. Host plant for Potato Tuber Moth.
+Edible: Fruits edible, but spiciness is unpredictable in intensity.

Companion Plants

Plant Together

Basil

Repels aphids, spider mites, and thrips while potentially enhancing pepper flavor

Tomatoes

Share similar growing conditions and can help deter each other's pests

Oregano

Repels aphids and spider mites while attracting beneficial insects

Carrots

Helps break up soil and doesn't compete for nutrients at the same level

Onions

Repel aphids, spider mites, and other pests that commonly attack peppers

Marigolds

Deter nematodes, aphids, and whiteflies with their strong scent

Parsley

Attracts beneficial insects like hoverflies that prey on pepper pests

Nasturtiums

Act as trap crops for aphids and cucumber beetles

Keep Apart

Fennel

Produces allelopathic compounds that inhibit growth of peppers and most vegetables

Beans

Can shade peppers and compete for nutrients, potentially reducing pepper yields

Brassicas

Heavy feeders that compete for nutrients and may stunt pepper growth

Nutrition Facts

Calories

29kcal(1%)

Protein

0.91g(2%)

Fiber

2.8g(10%)

Carbs

6.5g(2%)

Fat

0.37g(0%)

Vitamin C

119mg(132%)

Vitamin A

54mcg(6%)

Vitamin K

18.5mcg(15%)

Iron

0.25mg(1%)

Calcium

12mg(1%)

Potassium

248mg(5%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #168576)

Pests & Disease Resistance

Resistance

Improved disease resistance over standard jalapeños

Common Pests

Aphids, pepper maggot, spider mites, thrips

Diseases

Bacterial spot, blossom end rot, mosaic virus

Frequently Asked Questions

How long does Jalapeño M take to grow from seed to harvest?▼

Jalapeño M takes 65-75 days from transplant to first harvest, but since you need to start seeds indoors 8-10 weeks before your last frost, the total time from seed to harvest is approximately 4-5 months. First peppers typically appear in mid-summer when started at the proper time in spring.

Can you grow Jalapeño M in containers?▼

Yes, Jalapeño M grows excellently in containers. Use a minimum 5-gallon pot with drainage holes and high-quality potting mix. Container plants may need more frequent watering and feeding than garden-grown peppers, but often produce earlier harvests due to warmer soil temperatures in pots.

Is Jalapeño M good for beginners?▼

Jalapeño M is excellent for beginning gardeners due to its improved disease resistance, consistent production, and forgiving nature. The predictable harvest timing and uniform pepper size make it easier to manage than heirloom varieties, and it's less finicky about growing conditions than superhot pepper varieties.

What's the difference between Jalapeño M and regular jalapeños?▼

Jalapeño M offers more consistent pepper size, earlier maturity, and improved disease resistance compared to standard jalapeño varieties. While regular jalapeños can vary significantly in heat and harvest timing, Jalapeño M provides predictable 2,500-8,000 Scoville heat levels and uniform harvests throughout the season.

When should I plant Jalapeño M seeds?▼

Start Jalapeño M seeds indoors 8-10 weeks before your last expected frost date. Transplant seedlings outdoors 2-3 weeks after the last frost when soil temperatures consistently reach 60°F. In most areas, this means starting seeds in February-March for May transplanting.

How hot is Jalapeño M compared to other peppers?▼

Jalapeño M rates 2,500-8,000 Scoville units, making it significantly milder than serranos (10,000-25,000) or habaneros (100,000-350,000), but hotter than poblanos (1,000-1,500). It delivers moderate heat that most people find enjoyable without being overwhelming.