When to Plant Snapdragon in Fort Mill, South Carolina (29708)

Location

Fort Mill, South Carolina

ZIP Code

29708

USDA Zone

Last Frost

Friday, March 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, January 23, 2026

Transplant Outdoors

Friday, April 3, 2026

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

Pro tip: Start Snapdragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, April 3, 2026.

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🌿 Plant Details

Scientific Name Antirrhinum majus

Days to Maturity 60 days

Mature Height 12-36"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-21 days

Ready to Plant Snapdragon in Fort Mill?

Get your seeds now so they're ready by Friday, January 23, 2026.

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🤝 Good Companions

TomatoVegetable Garden

🤝

Full Companion Planting Guide for Snapdragon

See which plants help Snapdragon thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow seed pods to dry and turn brown on the spike. Small holes in pods will open when ripe.

Processing

Shake dry pods over a bowl to collect tiny seeds. Dry 1 additional week.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Many snapdragons are OP but some are hybrid. Seeds are tiny — handle carefully during collection.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Snapdragon. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Snapdragon in Fort Mill, South Carolina? +

In Fort Mill (Zone 8a), start Snapdragon seeds indoors around Friday, January 23, 2026 and transplant outdoors around Friday, April 3, 2026.

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

The average last spring frost date for Fort Mill, South Carolina (ZIP 29708) is around Friday, March 20, 2026. This is based on NOAA climate normals for USDA Zone 8a.

How long does Snapdragon take to grow? +

Snapdragon typically matures in about 60 days from transplanting. In Fort Mill, that means you can expect harvest around Friday, April 3, 2026 plus 60 days.

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

Snapdragon should be started indoors 8 weeks before your last frost date. In Fort Mill, that means starting around Friday, January 23, 2026.

📚 More Snapdragon Planting Guides

🗺️

Snapdragon in South Carolina

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 8a Snapdragon Guide

All cities in your zone · Avg dates

→

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Growing Snapdragon in Zone 8a

Snapdragon (Antirrhinum majus) is a popular garden vegetable. In Fort Mill, South Carolina, which is in USDA Hardiness Zone 8a, you should start seeds indoors around Friday, January 23, 2026.

Your average last frost date is Friday, March 20, 2026. Plan to transplant your Snapdragon seedlings outdoors around Friday, April 3, 2026, about 2 weeks after your last frost date.