When to Plant Oregano in Hamilton, Pennsylvania (15744)

Location

Hamilton, Pennsylvania

ZIP Code

15744

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Monday, February 23, 2026

Transplant Outdoors

Monday, May 4, 2026

Based on last frost Monday, April 20, 2026 · Zone 6a

Pro tip: Start Oregano seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

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🌿 Plant Details

Scientific Name Origanum vulgare

Days to Maturity 80 days

Mature Height 12-24"

Spread 18"

Type Spreading

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 7-14 days

Ready to Plant Oregano in Hamilton?

Get your seeds now so they're ready by Monday, February 23, 2026.

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🤝 Good Companions

PepperTomatoBasil

🤝

Full Companion Planting Guide for Oregano

See which plants help Oregano thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let flower clusters dry fully on the plant — tiny seeds form in dried calyxes.

Processing

Strip dried clusters, rub between fingers over a bowl, winnow lightly to remove chaff.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Greek oregano from seed may vary in flavor intensity. Propagate by cuttings for culinary consistency.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Oregano. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Oregano in Hamilton, Pennsylvania? +

In Hamilton (Zone 6a), start Oregano seeds indoors around Monday, February 23, 2026 and transplant outdoors around Monday, May 4, 2026.

What is the last frost date for Hamilton, Pennsylvania? +

The average last spring frost date for Hamilton, Pennsylvania (ZIP 15744) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.

How long does Oregano take to grow? +

Oregano typically matures in about 80 days from transplanting. In Hamilton, that means you can expect harvest around Monday, May 4, 2026 plus 80 days.

Should I start Oregano indoors or direct sow in Pennsylvania? +

Oregano should be started indoors 8 weeks before your last frost date. In Hamilton, that means starting around Monday, February 23, 2026.

📚 More Oregano Planting Guides

🗺️

Oregano in Pennsylvania

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 6a Oregano Guide

All cities in your zone · Avg dates

→

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Growing Oregano in Zone 6a

Oregano (Origanum vulgare) is a popular garden vegetable. In Hamilton, Pennsylvania, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Oregano seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.