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When to Plant Spinach in Swarthmore, Pennsylvania (19081)

Location

Swarthmore, Pennsylvania

ZIP Code

19081

USDA Zone

7b

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, February 22, 2026

Pro Tip: Sow Spinach directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Spinacia oleracea
Days to Maturity 40 days
Mature Height 6-12"
Spread 6"
Type Leaf
Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Regular (keep moist)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 7-14 days

Ready to Plant Spinach in Swarthmore?

Get your seeds now so they're ready by Sunday, February 22, 2026.

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🤝 Good Companions

StrawberryPeaBeanBrassicas

Other Plants for Swarthmore

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Growing Spinach in Zone 7b

Spinach (Spinacia oleracea) is a popular garden vegetable. In Swarthmore, Pennsylvania, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, February 22, 2026.

Your average last frost date is Sunday, April 5, 2026. Spinach grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.