Growing Zucchini & Summer Squash in Zone 4
When to plant and harvest zucchini & summer squash in Zone 4— based on your zone's frost dates.
Zone 4 sits comfortably within zucchini & summer squash's best range (Zones 3–11), so it grows well here on a standard schedule.
Zucchini & Summer Squash 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
—
Sow outdoors
May
Transplant
—
Harvest
July
Zucchini & Summer Squash care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- 1–2 inches per week, deep
- Spacing
- 24–36 in apart
- Days to maturity
- 45–60 days
- Best zones
- 3–11
Growing zucchini & summer squash in Zone 4: FAQs
Can you grow zucchini & summer squash in Zone 4?＋
Zone 4 sits comfortably within zucchini & summer squash's best range (Zones 3–11), so it grows well here on a standard schedule.
When should I plant zucchini & summer squash in Zone 4?＋
In Zone 4, sow outdoors around May. 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 zucchini & summer squash in Zone 4?＋
Expect to harvest zucchini & summer squash in Zone 4 around July, depending on the season and variety.
Full Zucchini & Summer Squash guide →
Complete care, problems, companions, and harvest tips.
Zone 4 overview →
Frost dates, climate, and everything to grow here.
June in Zone 4 →
What to sow, transplant, and harvest this month.