📍 Dorsey, IL · Zone 6b · Last frost Wednesday, April 15, 2026
✏️ ChangeWhen 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
☀️ 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
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
🟢 EasyWhen 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.
📚 More Marjoram Planting Guides
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.