Zone-Specific Guide
Grow Nasturtiums in Zone 3a
Your complete guide to growing nasturtiums in USDA Hardiness Zone 3a — planting windows, care tips, and harvest timing.
Spring
🌡️ Zone 3a
Days to Harvest
50–65
Spacing
10–12"
Method
Direct sow
Season
Spring
When to Plant Nasturtiums in Zone 3a
Direct Sow
May 15 – Aug 15
How to Grow Nasturtiums in Zone 3a
📋 Key Timing Note
Short window after last frost. Cool temps keep quality high.
Direct sow seeds between May 15 – Aug 15. Space plants 10–12" apart. Expect to harvest in approximately 50–65 days.
Common Pests in Zone 3a
Watch for these pests when growing nasturtiums in your area.
Frequently Asked Questions
When should I plant Nasturtiums in Zone 3a?
Direct sow seeds May 15 – Aug 15.
How far apart should I plant Nasturtiums in Zone 3a?
Space nasturtiums plants 10–12" apart in Zone 3a. This gives them adequate room for airflow and root development.
What pests affect Nasturtiums in Zone 3a?
Common pests for nasturtiums in Zone 3a include aphids (trap crop), cabbage worms. Use companion planting and row covers as first-line defense.
How long until Nasturtiums is ready to harvest in Zone 3a?
In Zone 3a, expect nasturtiums to be ready in approximately 50–65 days from planting. Short window after last frost. Cool temps keep quality high.