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When to Plant Sweet Pea in Blanchard, Michigan (49310)

Location

Blanchard, Michigan

ZIP Code

49310

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

๐Ÿ“… Planting Calendar

Direct Sow Outdoors Saturday, March 28, 2026

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

๐ŸŒฟ Plant Details

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

โ˜€๏ธ Growing Requirements

โ˜€๏ธ

Sun

Full Sun (6-8 hours)

๐Ÿ’ง

Water

Regular (1-2 inches/week)

โ†”๏ธ

Spacing

6" apart

๐ŸŒฑ

Planting Depth

1" deep

Seeds typically germinate in 10-21 days

Ready to Plant Sweet Pea in Blanchard?

Get your seeds now so they're ready by Saturday, March 28, 2026.

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๐Ÿค Good Companions

CarrotRadishSpinach

โš ๏ธ Avoid Planting Near

OnionGarlic
See the full companion planting guide for Sweet Pea โ†’

Other Plants for Blanchard

Growing Sweet Pea in Zone 5b

Sweet Pea (Lathyrus odoratus) is a popular garden vegetable. In Blanchard, Michigan, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Sweet Pea grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.