π Columbiaville, MI Β· Zone 6a Β· Last frost Monday, April 20, 2026
βοΈ ChangeWhen to Plant Dill in Columbiaville, Michigan (48421)
Location
Columbiaville, Michigan
ZIP Code
48421
USDA Zone
6a
Last Frost
Monday, April 20, 2026
π Your 2026 Planting Dates
Direct Sow Outdoors
Monday, March 23, 2026
Based on last frost Monday, April 20, 2026 Β· Zone 6a
Pro tip: Sow Dill directly outdoors 4 weeks before your last frost date.
πΏ Plant Details
βοΈ Growing Requirements
βοΈ
Sun
Full Sun (6-8 hours)
π§
Water
Moderate
βοΈ
Spacing
12" apart
π±
Planting Depth
0.25" deep
Seeds typically germinate in 7-14 days
Ready to Plant Dill in Columbiaville?
Get your seeds now so they're ready by Monday, March 23, 2026.
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π οΈ Supplies You'll Need
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Common Dill Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Mammoth
Tall, vigorous dill growing to 5 feet; maximum seed production for pickling.
Fernleaf
Compact dwarf variety ideal for containers and small gardens; slow to bolt.
Bouquet
Most popular all-purpose variety with abundant seeds and tender leaves for fresh use.
Dukat
Scandinavian variety with extra-dark foliage and superior leaf flavor; slower bolting.
πΎ Seed Saving Guide
π’ EasyWhen to Harvest Seed
Allow seed heads to fully mature and turn brown. Harvest before they shatter.
Processing
Cut entire seed head into a paper bag, allow to dry, shake out seeds.
Seed Viability
Up to 3 years when stored cool, dark, and dry.
Pro Tip
Dill cross-pollinates with fennel β keep at least 150 feet apart or sacrifice one species for seed purity.
Raised Bed Planting Guides
A 4Γ8 bed fits 32 plants of Dill. See plant counts, spacing grids, and companion pairings for every bed size β
Frequently Asked Questions
When should I plant Dill in Columbiaville, Michigan? +
In Columbiaville (Zone 6a), direct sow Dill outdoors around Monday, March 23, 2026.
What is the last frost date for Columbiaville, Michigan? +
The average last spring frost date for Columbiaville, Michigan (ZIP 48421) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.
How long does Dill take to grow? +
Dill typically matures in about 40 days from direct sowing. In Columbiaville, that means you can expect harvest around Monday, March 23, 2026 plus 40 days.
Should I start Dill indoors or direct sow in Michigan? +
Dill does best when direct sown outdoors. In Columbiaville, sow directly around Monday, March 23, 2026.
Other Plants for Columbiaville
Growing Dill in Zone 6a
Dill (Anethum graveolens) is a popular garden vegetable. In Columbiaville, Michigan, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 23, 2026.
Your average last frost date is Monday, April 20, 2026. Dill grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.