📍 Canton, OH · Zone 6b · Last frost Wednesday, April 15, 2026
✏️ ChangeWhen to Plant Larkspur in Canton, Ohio (44721)
Location
Canton, Ohio
ZIP Code
44721
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Wednesday, March 18, 2026
Based on last frost Wednesday, April 15, 2026 · Zone 6b
Pro tip: Sow Larkspur directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun to Partial Shade
💧
Water
Moderate (1 inch/week)
↔️
Spacing
9" apart
🌱
Planting Depth
0.25" deep
Seeds typically germinate in 14-21 days
Ready to Plant Larkspur in Canton?
Get your seeds now so they're ready by Wednesday, March 18, 2026.
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🤝 Good Companions
Full Companion Planting Guide for Larkspur
See which plants help Larkspur 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 seed pods to turn brown and dry on the stalk. Harvest before pods split open.
Processing
Crack dry pods to release tiny seeds. Dry in open envelope for 1 week.
Seed Viability
Up to 2 years when stored cool, dark, and dry.
Pro Tip
All parts of larkspur are toxic — wash hands thoroughly after handling seeds. Self-sows readily once established.
Raised Bed Planting Guides
A 4×8 bed fits 56 plants of Larkspur. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Larkspur in Canton, Ohio? +
In Canton (Zone 6b), direct sow Larkspur outdoors around Wednesday, March 18, 2026.
What is the last frost date for Canton, Ohio? +
The average last spring frost date for Canton, Ohio (ZIP 44721) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.
How long does Larkspur take to grow? +
Larkspur typically matures in about 65 days from direct sowing. In Canton, that means you can expect harvest around Wednesday, March 18, 2026 plus 65 days.
Should I start Larkspur indoors or direct sow in Ohio? +
Larkspur does best when direct sown outdoors. In Canton, sow directly around Wednesday, March 18, 2026.
📚 More Larkspur Planting Guides
Other Plants for Canton
Growing Larkspur in Zone 6b
Larkspur (Consolida ajacis) is a popular garden vegetable. In Canton, Ohio, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 18, 2026.
Your average last frost date is Wednesday, April 15, 2026. Larkspur grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.