📍 Kirkwood, PA · Zone 7a · Last frost Friday, April 10, 2026
✏️ ChangeWhen to Plant Sweet Potato in Kirkwood, Pennsylvania (17536)
Location
Kirkwood, Pennsylvania
ZIP Code
17536
USDA Zone
7a
Last Frost
Friday, April 10, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Friday, April 10, 2026
Based on last frost Friday, April 10, 2026 · Zone 7a
Pro tip: Sow Sweet Potato directly outdoors around your last frost date when soil starts to warm.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (8+ hours)
💧
Water
Moderate (reduce as harvest approaches)
↔️
Spacing
12" apart
🌱
Planting Depth
4" deep
Seeds typically germinate in 14-21 days
Ready to Plant Sweet Potato in Kirkwood?
Get your seeds now so they're ready by Friday, April 10, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Sweet Potato
See which plants help Sweet Potato thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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Common Sweet Potato Varieties
Popular cultivars to look for at your local nursery or seed supplier.
Beauregard
The most widely grown orange-fleshed sweet potato; high yields and excellent flavor.
Covington
Rich orange flesh with smooth skin and sweet flavor; excellent storage quality.
Stokes Purple
Deep purple flesh with high anthocyanin content; nutty, slightly dry texture.
Hannah
Pale tan skin with cream-colored flesh; mild, less sweet flavor — like a cross with regular potato.
🌾 Seed Saving Guide
🪴 Vegetative propagationPropagate vegetatively, not by seed
Sweet potatoes are propagated from "slips" — sprouts grown from a stored tuber, not from seed in typical gardens.
Store tubers at 55–60°F in a humid spot. In spring, place in shallow water to grow slips for planting.
Raised Bed Planting Guides
A 4×8 bed fits 32 plants of Sweet Potato. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Sweet Potato in Kirkwood, Pennsylvania? +
In Kirkwood (Zone 7a), direct sow Sweet Potato outdoors around Friday, April 10, 2026.
What is the last frost date for Kirkwood, Pennsylvania? +
The average last spring frost date for Kirkwood, Pennsylvania (ZIP 17536) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.
How long does Sweet Potato take to grow? +
Sweet Potato typically matures in about 100 days from direct sowing. In Kirkwood, that means you can expect harvest around Friday, April 10, 2026 plus 100 days.
Should I start Sweet Potato indoors or direct sow in Pennsylvania? +
Sweet Potato does best when direct sown outdoors. In Kirkwood, sow directly around Friday, April 10, 2026.
📚 More Sweet Potato Planting Guides
Other Plants for Kirkwood
Growing Sweet Potato in Zone 7a
Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Kirkwood, Pennsylvania, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, April 10, 2026.
Your average last frost date is Friday, April 10, 2026. Sweet Potato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.