Jalapeño M

Family: Solanaceae Hot Pepper

Planting Schedule

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A glossy, medium-deep green jalapeño with a bright, peppery snap—Jalapeño M delivers a clean, lively heat that lingers like a warm ember.

At maturity the fruits hang in tidy, upright clusters, with thick, smooth walls and a crisp, juicy bite that shines in fresh salsas and quick pickles, and roasts beautifully for smoky depth. Grow Jalapeño M for dependable harvests and bold flavor you’ll reach for again and again.

Light: Full SunMaturity: 75 DaysHabit: Bush

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Jalapeño M Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Apr 27th	Aug 10th	Oct 24th – Jul 15th
Zone 1b	Apr 13th	Jul 27th	Oct 10th – Aug 1st
Zone 2a	Apr 6th	Jul 20th	Oct 3rd – Aug 29th
Zone 2b	Mar 27th	Jul 10th	Sep 23rd – Aug 25th
Zone 3a	Mar 27th	Jul 10th	Sep 23rd – Sep 1st
Zone 3b	Mar 31st	Jul 14th	Sep 27th – Sep 21st
Zone 4a	Mar 27th	Jul 10th	Sep 23rd – Sep 24th
Zone 4b	Mar 25th	Jul 8th	Sep 21st – Sep 27th
Zone 5a	Mar 20th	Jul 3rd	Sep 16th – Sep 30th
Zone 5b	Mar 16th	Jun 29th	Sep 12th – Oct 5th
Zone 6a	Mar 13th	Jun 26th	Sep 9th – Oct 10th
Zone 6b	Mar 7th	Jun 20th	Sep 3rd – Oct 16th
Zone 7a	Mar 2nd	Jun 15th	Aug 29th – Oct 20th
Zone 7b	Feb 20th	Jun 5th	Aug 19th – Oct 28th
Zone 8a	Feb 11th	May 27th	Aug 10th – Nov 5th
Zone 8b	Feb 2nd	May 18th	Aug 1st – Nov 12th
Zone 9a	Jan 16th	May 1st	Jul 15th – Nov 26th
Zone 9b	Dec 22nd	Apr 6th	Jun 20th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	Stake
Planting Depth	Normal
Germination Temp (°F)	80
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Jalapeño M leans clean and ember-lingering—its thick walls give you a crisp, juicy chew rather than softening into paste. Use it fresh for snap and clarity, or roast/char it to drive the heat into a smoky, sweet edge that clings to fats like cheese and meat.

Best Uses

quick-pickle slices for tangy heat snacks
fresh salsa where the skins stay a little snappy
roast or char for smoky strips in tacos and bowls
sear into a skillet with aromatics for a fast, glossy chile topping

Flavor Profile

bright peppery snap medium-clean jalapeño heat thick, crisp, juicy bite smoky-sweet when roasted

Kitchen Pairings

lime cilantro garlic white vinegar chicken thighs cotija cheese

Frequently Asked Questions

What’s the most common disease problem for Capsicum annuum (jalapeño) and how do I prevent it?

Jalapeños commonly suffer from blossom-end rot and related issues when calcium uptake is disrupted by irregular watering. Keep soil moisture consistent from flowering through fruit set, and mulch to reduce moisture swings; avoid letting beds dry out completely. If you see black, sunken ends on fruits, remove affected peppers and correct the watering pattern immediately.

How often should I water jalapeños during the main growing phase (flowering and fruiting)?

Water Capsicum annuum deeply enough that the top 1–2 inches of soil feel slightly moist, not dry, between waterings. In typical warm weather, this is often about 1–2 times per week, but adjust to rainfall and how fast your soil dries. Don’t switch to heavy soaking after drought—jalapeños respond badly with misshapen fruit and blossom-end rot.

How can I tell when jalapeños are ready to harvest at about 75 days?

Harvest when fruits are fully sized, firm, and reach about 2–3 inches long with glossy skin and a dark green color. Jalapeños can turn red if left longer, but for the classic “jalapeño” stage, pick green and firm. Once harvest begins, check plants every 2–3 days because peppers can size up quickly in warm weather.