Grown Poblano 'Mulato Isleno'?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Poblano 'Mulato Isleno' — Peppers

75-85days to harvest

14-21days to germinate

Z4–11USDA zones

Moderatedifficulty

HeirloomContainer friendly

Sowing

Start indoors 8-12 weeks before last frost. Transplant when nighttime temperatures remain above 55°F.

Cultivation

Sun: Full sun (6+ hours)
Water: 1-1.5 inches per week, deep watering preferred
Soil: Rich, well-drained loam with high organic matter
Soil pH: 6.2-7.0
Spacing: 24-30 inches
Height: 1-3 feet
Season: Warm season

Appearance & flavour

Colour: Dark green turning chocolate brown when fully mature
Size: 4-5 inches long, 3 inches wide
Shape: Heart-shaped with broad shoulders tapering to point
Flavour: Rich, earthy, mild heat (1,000-2,000 Scoville) with subtle chocolate notes

In the kitchen

Chiles rellenos, roasting, mole sauces, Mexican cuisine, drying for mulato chiles

Pests, disease & resistance

Pests: Aphids, spider mites, pepper weevil, thrips
Diseases: Bacterial spot, phytophthora blight, verticillium wilt
Resistance: Moderate resistance to common pepper diseases

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
2	April – May	June – July	—	September
3	April	June – July	—	September – October
4	March – April	June	—	August – October
5	March	May – June	—	August – October
6	March	May – June	—	August – October
7	February – March	April – May	—	July – September
8	February	April – May	—	July – September
9	January	March – April	—	June – August
10	January	February – March	—	May – July
11	January	January – February	—	April – June
12	January	January – February	—	April – June
13	January	January – February	—	April – June

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

BasilRepels aphids, spider mites, and thrips while potentially improving pepper flavor

MarigoldDeters nematodes, aphids, and whiteflies with natural compounds

OreganoRepels cucumber beetles and provides ground cover to retain soil moisture

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps

TomatoSimilar growing requirements and both benefit from same companion plants

OnionDeters aphids, thrips, and other soft-bodied insects with sulfur compounds

CarrotsLoosens soil for pepper roots and doesn't compete for nutrients

NasturtiumActs as trap crop for aphids and cucumber beetles

Avoid

Black WalnutProduces juglone toxin that stunts pepper growth and causes wilting

FennelInhibits growth through allelopathic chemicals and attracts harmful insects

BrassicasHeavy feeders that compete for nutrients and may stunt pepper development

Nutrition (per 100 g)

Protein (g): 1.43
Fat (g): 0.191
Carbohydrate (g): 5.14
Fibre (g): 2.07
Vitamin C (mg): 128
Vitamin B6 (mg): 0.309
Folate (µg): 26
Calcium (mg): 8.37
Iron (mg): 0.117
Magnesium (mg): 10.7
Phosphorus (mg): 22.4
Potassium (mg): 192
Zinc (mg): 0.128

← PreviousJalapeño 'TAM Mild Jalapeño' Next →Habanero 'Chocolate Habanero'

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the peppers growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Poblano 'Mulato Isleno'?

Similar varieties