When to Plant Summer Savory in Boulder, Colorado (80310)

Location

Boulder, Colorado

ZIP Code

80310

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, April 6, 2026

Pro Tip: Sow Summer Savory directly outdoors 2 weeks before your last frost date.

🌿 Plant Details

Scientific Name Satureja hortensis

Days to Maturity 60 days

Mature Height 12-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-14 days

Ready to Plant Summer Savory in Boulder?

Get your seeds now so they're ready by Monday, April 6, 2026.

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🤝 Good Companions

BeanOnionGarlicRosemary

⚠️ Avoid Planting Near

Fennel

See the full companion planting guide for Summer Savory →

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Growing Summer Savory in Zone 6a

Summer Savory (Satureja hortensis) is a popular garden vegetable. In Boulder, Colorado, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, April 6, 2026.

Your average last frost date is Monday, April 20, 2026. Summer Savory grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.