How to Grow Sweet Pea

Ready to grow Sweet Pea?

Order seeds from trusted suppliers.

🛒 Amazon 🌿 True Leaf

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🛠️ Supplies You'll Need

🌍 Flower Garden Soil ✂️ Pruning Shears 🧤 Garden Gloves 🚿 Watering Can

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Find Your Sweet Pea Planting Dates

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🌿 Plant Overview

Scientific Name Lathyrus odoratus

Category flower

Days to Maturity 65 days

Starting Method Direct Sow

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Depth

1" deep

📏

Height

48-72"

🌱

Germination

10-21 days

Ready to Grow Sweet Pea?

Find quality seeds from trusted suppliers.

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🤝 Good Companions

CarrotRadishSpinach

⚠️ Avoid Planting Near

OnionGarlic

Sweet Pea Planting Calendar by Zone

Sweet Pea Planting Calendar by State

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Frequently Asked Questions

When should I plant Sweet Pea? +

Sow Sweet Pea seeds directly in the garden 4 weeks before your last frost date. Use the search on this page to find exact dates for your location.

How long does Sweet Pea take to grow? +

Sweet Pea typically matures in about 65 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Sweet Pea indoors or direct sow? +

Sweet Pea does best when direct sown outdoors. Plant seeds directly in the garden at the appropriate time based on your local frost dates.

How much sun does Sweet Pea need? +

Sweet Pea requires full sun (6-8 hours) to thrive.

How far apart should I plant Sweet Pea? +

Space Sweet Pea plants 6 inches apart to allow adequate airflow and root development.

How much water does Sweet Pea need? +

Sweet Pea has regular (1-2 inches/week) water needs. Consistent moisture is important especially during germination and early growth.

About Sweet Pea

Fragrant climbing annual with delicate, jewel-colored blooms. Sow early — needs cool weather to establish. Soak seeds overnight before planting for better germination.

Expect your Sweet Pea to be ready for harvest in approximately 65 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.