Growing Nasturtiums in Zone 4
When to plant and harvest nasturtiums in Zone 4— based on your zone's frost dates.
Zone 4 sits comfortably within nasturtiums' best range (Zones 2–11), so it grows well here on a standard schedule.
Nasturtiums planting calendar for Zone 4
These months are derived from Zone 4's frost dates — last frost around Early – mid May, first frost around Mid September – mid October.
Start indoors
April
Sow outdoors
May
Transplant
May
Harvest
July
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Nasturtiums care at a glance
- Sunlight
- Full sun to part shade (4–6+ hours)
- Water
- Low to moderate; drought-tolerant once established
- Spacing
- 10–12 in (bushy) to 18–24 in (trailing)
- Days to maturity
- 50–60 days to first bloom
- Best zones
- 2–11 (warm-season annual)
Growing nasturtiums in Zone 4: FAQs
Can you grow nasturtiums in Zone 4?＋
Zone 4 sits comfortably within nasturtiums' best range (Zones 2–11), so it grows well here on a standard schedule.
When should I plant nasturtiums in Zone 4?＋
In Zone 4, start seeds indoors around April. Zone 4's last spring frost is typically Early – mid May and its first fall frost around Mid September – mid October, which sets the planting window.
When to harvest nasturtiums in Zone 4?＋
Expect to harvest nasturtiums in Zone 4 around July, depending on the season and variety.
Full Nasturtiums guide →
Complete care, problems, companions, and harvest tips.
Zone 4 overview →
Frost dates, climate, and everything to grow here.
October in Zone 4 →
What to sow, transplant, and harvest this month.