A little more green in the world ✳ 2,083 plants across 13 growing zones
worldthatgrows.
Pepper · Easy

How to Grow Hot Pepper 'Jalapeño M'

Capsicum annuum 'Jalapeño M'

Jalapeño M peppers are a popular warm-season variety prized for their versatile heat and reliable yield. Gardeners grow them to add spicy flavor to salsas, sauces, and fresh dishes throughout the summer growing season.

☀SunFull sun (6+ hours)
💧Water1-1.5 inches per week, consistent moisture
📅Harvest65-75 days
🗺Zones4–11
📏Height1-3 feet
Hot Pepper 'Jalapeño M'📷 Wikipedia: Capsicum annuum

Starting Hot Pepper 'Jalapeño M': indoors or direct sow?

🌾 Sow directly in the garden — Hot Pepper 'Jalapeño M' is not usually started indoors.

Do not direct sow outdoors until all danger of frost has passed; wait until the soil is warm enough for this sensitive warm-season crop.

Find your last frost date by ZIP code →

Soil, care & harvest

Start seeds indoors 8-10 weeks before your last frost date when soil is still cool outside. Use a potting mix with a pH between 6.2 and 7.0; amend heavy clay soils to ensure good drainage. Sow seeds about 1/4 inch deep, as they typically germinate within 10 to 21 days under warm conditions.

Space plants 12 to 18 inches apart in full sun to allow proper air circulation. Provide consistent moisture, aiming for 1 to 1.5 inches of water weekly, and apply mulch around the base to retain soil temperature. Feed regularly with a balanced fertilizer to support fruit production once flowering begins.

Watch for aphids, spider mites, thrips, pepper maggot, bacterial spot, blossom end rot, and mosaic virus. Prevent issues by inspecting leaves frequently, watering at the soil level, and practicing crop rotation. Harvest fruits when they reach your desired color and heat level, usually occurring 65 to 75 days after transplanting.

When to Plant Hot Pepper 'Jalapeño M'

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 May — September – August
Zone 2 April – May — September
Zone 3 April — August – October
Zone 4 March – April — August – October
Zone 5 March — August – October
Zone 6 March — July – September
Zone 7 February – March — July – September
Zone 8 February — June – August
Zone 9 January — May – July
Zone 10 January — May – July
Zone 11 January — April – June
Zone 12 January — April – June
Zone 13 January — April – June

Companion Plants for Hot Pepper 'Jalapeño M'

✓ Good companions

Basil

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

Carrots

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

Marigolds

Deter nematodes, aphids, and whiteflies with their strong scent

Nasturtiums

Act as trap crops for aphids and cucumber beetles

Onions

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

Oregano

Repels aphids and spider mites while attracting beneficial insects

Parsley

Attracts beneficial insects like hoverflies that prey on pepper pests

Tomatoes

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

✗ Keep away from

Beans

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

Brassicas

Heavy feeders that compete for nutrients and may stunt pepper growth

Fennel

Produces allelopathic compounds that inhibit growth of peppers and most vegetables

Nutrition Facts

Per 100g serving (USDA FoodData Central)

29.0kcal
0.91gProtein
2.80gFiber
119.00mgVitamin C
0.25mgIron
Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.