When to Plant Larkspur in Greenville, South Carolina (29607)

Location

Greenville, South Carolina

ZIP Code

29607

USDA Zone

Last Frost

Friday, March 20, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, February 20, 2026

Based on last frost Friday, March 20, 2026 · Zone 8a

Pro tip: Sow Larkspur directly outdoors 4 weeks before your last frost date.

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🌿 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 Greenville?

Get your seeds now so they're ready by Friday, February 20, 2026.

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🤝 Good Companions

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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

🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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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 Greenville, South Carolina? +

In Greenville (Zone 8a), direct sow Larkspur outdoors around Friday, February 20, 2026.

What is the last frost date for Greenville, South Carolina? +

The average last spring frost date for Greenville, South Carolina (ZIP 29607) is around Friday, March 20, 2026. This is based on NOAA climate normals for USDA Zone 8a.

How long does Larkspur take to grow? +

Larkspur typically matures in about 65 days from direct sowing. In Greenville, that means you can expect harvest around Friday, February 20, 2026 plus 65 days.

Should I start Larkspur indoors or direct sow in South Carolina? +

Larkspur does best when direct sown outdoors. In Greenville, sow directly around Friday, February 20, 2026.

📚 More Larkspur Planting Guides

🗺️

Larkspur in South Carolina

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 8a Larkspur Guide

All cities in your zone · Avg dates

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Growing Larkspur in Zone 8a

Larkspur (Consolida ajacis) is a popular garden vegetable. In Greenville, South Carolina, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, February 20, 2026.

Your average last frost date is Friday, March 20, 2026. Larkspur grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.