Common Italian Oregano

Oregano

Zone 5a Save Garden

🌱 75d to harvest Upright

Aromatic as a sunlit herb garden—Common Italian Oregano releases a warm, savory fragrance with a bright, slightly peppery bite. E…

Crop Dates

Milestone	Date
Start Indoors	Mar 27th
Last Frost	May 8th
Transplant / Sow Outdoors	May 22nd
Harvest Begins	Aug 5th
Harvest Ends	Sep 30th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	50
Harden Off (days)	7

Recommended Companions

Kokusai Chives

Taishan Yellow Marigold

Red Gem Marigold

Spanish Roja Garlic

Siberian Garlic Garlic

Purple Glazer Garlic

Frequently Asked Questions

What pest or disease most often affects Origanum vulgare subsp. hirtum (common Italian oregano), and what should I do?

Watch for powdery mildew, which shows up as a white, dusty coating on oregano leaves in humid weather. Improve airflow by spacing plants and watering at the base early in the day, then remove heavily affected stems to slow spread. If mildew keeps returning, treat with a labeled potassium bicarbonate or sulfur product according to the label directions for herbs.

How often should I water common Italian oregano during its main growing phase?

During active growth, keep the soil lightly moist but never soggy—water only when the top 1 inch (2–3 cm) of soil dries out. Oregano (Origanum vulgare subsp. hirtum) prefers well-drained soil and will decline if roots sit wet, especially in containers. In hot weather you may need watering every few days, but always confirm dryness at the 1-inch depth before watering again.

How can I tell when common Italian oregano is ready to harvest?

Start harvesting once plants are established and you have good leaf mass, typically around 70–90 days from transplant (about 75 days to maturity). Harvest just before or at the beginning of flowering, when leaf flavor and aroma are strongest; snip stems above a pair of leaves to encourage new shoots. If you wait until plants are fully flowering and then dormant, leaves become tougher and can be less flavorful.

Aromatic as a sunlit herb garden—Common Italian Oregano releases a warm, savory fragrance with a bright, slightly peppery bite. Expect dense, upright growth with finely textured leaves that hold their character beautifully when dried, making this variety a dependable pantry favorite. Grow it for bold flavor in classic herb blends, and for fresh snipping to lift sauces and savory dishes with its unmistakable Mediterranean presence.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.

Expert Note

Start seeds indoors early, then transplant only when nights are reliably warm and plants have been hardened off to prevent legginess and transplant shock.