my LocalPlanting

When to Plant Parsley in Ferndale, Pennsylvania (18921)

Location

Ferndale, Pennsylvania

ZIP Code

18921

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Wednesday, February 18, 2026

Transplant Outdoors

Wednesday, April 29, 2026

Based on last frost Wednesday, April 15, 2026 · Zone 6b

Pro tip: Start Parsley seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.

🌿 Plant Details

Scientific Name Petroselinum crispum
Days to Maturity 75 days
Mature Height 12-18"
Spread 12"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-28 days

Ready to Plant Parsley in Ferndale?

Get your seeds now so they're ready by Wednesday, February 18, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

AsparagusTomatoCornRose
🤝

Full Companion Planting Guide for Parsley

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

🛠️ Supplies You'll Need

* Affiliate links — we may earn a small commission at no extra cost to you.

Common Parsley Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Italian Flat-Leaf

open-pollinated

Preferred by chefs for its bold flavor; better for cooking than curly varieties.

Curly Parsley

open-pollinated

Decorative tightly ruffled leaves; mild flavor, popular as a garnish.

Giant Italian

open-pollinated

Large, productive flat-leaf variety with exceptional flavor; vigorous grower.

🌾 Seed Saving Guide

🟡 Moderate
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Parsley is biennial — it flowers in year 2. Harvest seed heads when fully brown and dry.

Processing

Cut seed heads into a bag, allow to fully dry, shake out seeds.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

Parsley must overwinter to produce seed. In cold climates, mulch heavily or pot and bring indoors through winter.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Parsley in Ferndale, Pennsylvania? +

In Ferndale (Zone 6b), start Parsley seeds indoors around Wednesday, February 18, 2026 and transplant outdoors around Wednesday, April 29, 2026.

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

The average last spring frost date for Ferndale, Pennsylvania (ZIP 18921) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.

How long does Parsley take to grow? +

Parsley typically matures in about 75 days from transplanting. In Ferndale, that means you can expect harvest around Wednesday, April 29, 2026 plus 75 days.

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

Parsley should be started indoors 8 weeks before your last frost date. In Ferndale, that means starting around Wednesday, February 18, 2026.

Other Plants for Ferndale

Growing Parsley in Zone 6b

Parsley (Petroselinum crispum) is a popular garden vegetable. In Ferndale, Pennsylvania, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Parsley seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.