When to Plant Snapdragon in Rheems, Pennsylvania (17570)

Location

Rheems, Pennsylvania

ZIP Code

17570

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, February 13, 2026

Transplant Outdoors

Friday, April 24, 2026

Based on last frost Friday, April 10, 2026 · Zone 7a

Pro tip: Start Snapdragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, April 24, 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 Rheems?

Get your seeds now so they're ready by Friday, February 13, 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 Rheems, Pennsylvania? +

In Rheems (Zone 7a), start Snapdragon seeds indoors around Friday, February 13, 2026 and transplant outdoors around Friday, April 24, 2026.

What is the last frost date for Rheems, Pennsylvania? +

The average last spring frost date for Rheems, Pennsylvania (ZIP 17570) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.

How long does Snapdragon take to grow? +

Snapdragon typically matures in about 60 days from transplanting. In Rheems, that means you can expect harvest around Friday, April 24, 2026 plus 60 days.

Should I start Snapdragon indoors or direct sow in Pennsylvania? +

Snapdragon should be started indoors 8 weeks before your last frost date. In Rheems, that means starting around Friday, February 13, 2026.

📚 More Snapdragon Planting Guides

🗺️

Snapdragon in Pennsylvania

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7a Snapdragon Guide

All cities in your zone · Avg dates

→

Other Plants for Rheems

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Growing Snapdragon in Zone 7a

Snapdragon (Antirrhinum majus) is a popular garden vegetable. In Rheems, Pennsylvania, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, February 13, 2026.

Your average last frost date is Friday, April 10, 2026. Plan to transplant your Snapdragon seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.