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When 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

Scientific Name Consolida ajacis
Days to Maturity 65 days
Mature Height 24-48"
Spread 12"

☀️ 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

CosmosZinniaRose
🤝

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

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

When 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.

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.