my LocalPlanting

When to Plant Sweet Pea in Elk Mountain, Wyoming (82324)

Location

Elk Mountain, Wyoming

ZIP Code

82324

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, April 12, 2026

Pro Tip: Sow Sweet Pea directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lathyrus odoratus
Days to Maturity 65 days
Mature Height 48-72"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 10-21 days

Ready to Plant Sweet Pea in Elk Mountain?

Get your seeds now so they're ready by Sunday, April 12, 2026.

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

🤝 Good Companions

CarrotRadishSpinach

⚠️ Avoid Planting Near

OnionGarlic

Other Plants for Elk Mountain

Growing Sweet Pea in Zone 5a

Sweet Pea (Lathyrus odoratus) is a popular garden vegetable. In Elk Mountain, Wyoming, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, April 12, 2026.

Your average last frost date is Sunday, May 10, 2026. Sweet Pea grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.