Grown Italian Large Leaf Oregano?

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Italian Large Leaf Oregano — Herbs

74days to harvest

7-14days to germinate

Z10–10USDA zones

Easydifficulty

HeirloomContainer friendly

Sowing

Start from seeds indoors 8-10 weeks before last frost, or from cuttings and divisions. Transplant after soil warms.

Cultivation

Sun: Full sun to partial shade (4-6+ hours)
Water: Low to moderate, drought tolerant
Soil: Well-drained, lean to moderately fertile soil
Soil pH: 6.0-8.0
Spacing: 8-12 inches
Height: 0-3 feet
Season: Warm season annual

Appearance & flavour

Colour: Deep green leaves with white flowers
Size: 2-3"
Shape: Low spreading habit with small oval leaves
Flavour: Intensely aromatic, warm, slightly bitter with pine notes

In the kitchen

Pizza, pasta sauces, Mediterranean dishes, herb blends, dried for seasoning

Pests, disease & resistance

Pests: Spider mites, aphids, leafminers
Diseases: Root rot, mint rust, powdery mildew in humid conditions
Resistance: Good resistance to most diseases with proper drainage

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
5	March – April	May – June	—	June – October
6	March – April	May – June	—	June – November
7	February – March	April – June	—	June – November
8	February – March	April – May	—	May – December
9	January – February	March – April	—	April – December
10	January	February – April	—	April – December

Companion planting

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

TomatoesOregano repels tomato hornworms and aphids while enhancing tomato flavor

BasilBoth herbs thrive in similar conditions and basil deters pests that affect oregano

PeppersOregano's strong scent deters aphids, spider mites, and other pests that attack peppers

CabbageOregano repels cabbage moths and other brassica pests

CucumberOregano helps deter cucumber beetles and ants

BeansOregano repels bean beetles and aphids while beans fix nitrogen in soil

RosemaryCompatible growing conditions and combined aromatic oils enhance pest deterrence

MarigoldsMarigolds repel nematodes and aphids, complementing oregano's pest control properties

Avoid

Black WalnutProduces juglone which is toxic to oregano and inhibits growth

MintAggressive spreader that competes for space and nutrients, can overtake oregano

SageMay inhibit oregano's growth through allelopathic compounds and competition for resources

Nutrition (per 100 g)

Calories (per 100 g): 265
Protein (g): 9
Fat (g): 4.28
Carbohydrate (g): 68.9
Fibre (g): 42.5
Sugars (g): 4.09
Vitamin A (µg): 85
Vitamin C (mg): 2.3
Vitamin E (mg): 18.3
Vitamin K (µg): 622
Vitamin B6 (mg): 1.04
Folate (µg): 237
Calcium (mg): 1600
Iron (mg): 36.8
Magnesium (mg): 270
Phosphorus (mg): 148
Potassium (mg): 1260
Zinc (mg): 2.69
Selenium (µg): 4.5

← PreviousSpearmint Next →Mammoth Dill

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the herbs 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 Italian Large Leaf Oregano?

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