Poblano Peppers
Photo: "Poblanos" by Mike Licht · CC BY 2.0
Pepper · Mild-large

Poblano Peppers

Open-pollinated · Solanaceae

Technically 'hot' but delivers mild heat that even spice-averse diners enjoy. Named for Puebla, Mexico. Thick-walled, heart-shaped, 4-6 inch fruit — THE premier stuffing pepper (chiles rellenos). Plant reaches 2-4 feet, may need staking. Green = poblano; dried red = ancho (mole essential); dried dark brown = mulato. Open-pollinated.

At a Glance

Days to Maturity
65–75 days
Sun
6+ hours
8+ hours
Spacing
18–24 "
Seed Start
8–10 weeks
before transplant
Container
Yes
5+ gallon pot
Height
2–4 ft

Zone Planting Guide

Growing Guide

Germination

Germination Time 7–21 days
Optimal Temp 85°F
Seed Depth 0.25"

Transplanting

Min Soil Temp 65°F
Harden Off 10 days

Watering

Weekly Water 1–2 "
Needs Consistent
Method Drip or base watering

Soil

pH Range 6–6.8
Soil Type Well-draining, fertile

Resilience

Heat: Moderate Cold: Very-low Drought: Low

Common Problems

blossom-drop
Cause: Standard pepper thresholds.
Prevention: Standard management.
blossom-end-rot
Cause: Thick-walled, large fruit = more susceptible than thin-walled types.
Prevention: Consistent watering, Cal-Mag.
sunscald
Cause: Large upward-facing fruit. Same susceptibility as bell peppers.
Prevention: Maintain leaf canopy. Do not prune.

Nutrition

Feeding Intensity Moderate feeder
Calcium Critical — supplement recommended
Recommended Recipes Root drench, Worm castings topdress

Harvest

Green: 4-6 inches, heart-shaped, dark green, glossy, firm. Red: deep red, slightly softer.

Expected Yield 2–4 lbs/plant
Storage 10 days — Crisper drawer.

Companion Planting

Good Companions

Genovese basil Repels aphids
French marigold Repels nematodes

Avoid Planting Near

Herb fennel Inhibits most plants

Sources

seed_catalog Burpee reference Pepper Joe's reference NMSU Chile Pepper Institute reference Gardener's Path

More Peppers

Poblano Peppers Planting Dates by Zone

Planting dates for Poblano Peppers vary by USDA hardiness zone. Select your zone below for frost dates, start-indoors timing, and a full monthly planting calendar.

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