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When to Plant Marjoram in Dorsey, Illinois (62021)

Location

Dorsey, Illinois

ZIP Code

62021

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Wednesday, February 18, 2026

Transplant Outdoors

Wednesday, April 29, 2026

Based on last frost Wednesday, April 15, 2026 · Zone 6b

Pro tip: Start Marjoram seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.

🌿 Plant Details

Scientific Name Origanum majorana
Days to Maturity 60 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 Marjoram in Dorsey?

Get your seeds now so they're ready by Wednesday, February 18, 2026.

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🤝 Good Companions

PepperTomatoBasilBean
🤝

Full Companion Planting Guide for Marjoram

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

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟢 Easy
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow flower clusters to dry completely on the plant before harvesting.

Processing

Strip dried flower clusters, crush gently to release tiny seeds, winnow lightly.

Seed Viability

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

Pro Tip

Marjoram seeds are very small — surface sow without covering when planting.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Marjoram in Dorsey, Illinois? +

In Dorsey (Zone 6b), start Marjoram seeds indoors around Wednesday, February 18, 2026 and transplant outdoors around Wednesday, April 29, 2026.

What is the last frost date for Dorsey, Illinois? +

The average last spring frost date for Dorsey, Illinois (ZIP 62021) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.

How long does Marjoram take to grow? +

Marjoram typically matures in about 60 days from transplanting. In Dorsey, that means you can expect harvest around Wednesday, April 29, 2026 plus 60 days.

Should I start Marjoram indoors or direct sow in Illinois? +

Marjoram should be started indoors 8 weeks before your last frost date. In Dorsey, that means starting around Wednesday, February 18, 2026.

Other Plants for Dorsey

Growing Marjoram in Zone 6b

Marjoram (Origanum majorana) is a popular garden vegetable. In Dorsey, Illinois, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Marjoram seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.