📍 Emma, MO · Zone 6b · Last frost Wednesday, April 15, 2026
✏️ ChangeWhen to Plant Leek in Emma, Missouri (65327)
Location
Emma, Missouri
ZIP Code
65327
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Wednesday, February 4, 2026
Transplant Outdoors
Wednesday, April 29, 2026
Based on last frost Wednesday, April 15, 2026 · Zone 6b
Pro tip: Start Leek seeds indoors 10 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
Ready to Plant Leek in Emma?
Get your seeds now so they're ready by Wednesday, February 4, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Leek
See which plants help Leek thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Biennial — allow flowering in year 2. Harvest seed heads when seeds are black and ripe.
Processing
Cut seed heads into bags when most seeds are black, dry 1 week, thresh gently.
Seed Viability
Up to 2 years when stored cool, dark, and dry.
Pro Tip
Leeks cross-pollinate with onions via insects. Isolate by at least a mile for truly pure seed.
Frequently Asked Questions
When should I plant Leek in Emma, Missouri? +
In Emma (Zone 6b), start Leek seeds indoors around Wednesday, February 4, 2026 and transplant outdoors around Wednesday, April 29, 2026.
What is the last frost date for Emma, Missouri? +
The average last spring frost date for Emma, Missouri (ZIP 65327) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.
How long does Leek take to grow? +
Leek typically matures in about 120 days from transplanting. In Emma, that means you can expect harvest around Wednesday, April 29, 2026 plus 120 days.
Should I start Leek indoors or direct sow in Missouri? +
Leek should be started indoors 10 weeks before your last frost date. In Emma, that means starting around Wednesday, February 4, 2026.
Other Plants for Emma
Growing Leek in Zone 6b
Leek (Allium ampeloprasum) is a popular garden vegetable. In Emma, Missouri, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 4, 2026.
Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Leek seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.