What to Plant in April — Zone 4
Cold winters with a moderate growing season. Many popular vegetables thrive with proper timing.
Quick Answer
In zone 4 during April, mid-spring — one of the busiest months in the garden as transplanting and direct sowing ramp up. Your key tasks this month: direct sow peas, spinach, and radishes outdoors, start cucumbers and melons indoors, and transplant onion seedlings into prepared beds.
April Gardening Tasks for Zone 4
April is mid-spring — one of the busiest months in the garden as transplanting and direct sowing ramp up. Zone 4 has a frost-free window from May 20 – Sept 15, which shapes what you can plant and when. Here is your complete task list:
Plant Guides for This Month
These plants are mentioned in your April tasks. Read their full growing guides for detailed planting instructions:
Cucumber
Cucumbers are summer garden staples that grow fast and produce abundantly. Wheth…
Onion
Growing onions at home gives you access to sweet, mild varieties rarely found in…
Spinach
Spinach is a cool-weather superstar packed with iron and vitamins. It grows quic…
Radish
Radishes are the fastest crop in the garden—ready in under a month from seed. Th…
Helpful Guides for April
These gardening guides are especially useful this time of year:
- Seed Starting Indoors — essential if you're starting transplants this month
- Companion Planting Guide — plan your layout for maximum yield
- Organic Pest Control — prepare defenses as the season progresses
- Building Better Soil — start any month to improve next season's harvests
- Pest & Disease Library — identify and solve common garden problems organically
- Browse All Plant Guides — detailed growing instructions for every crop
Frequently Asked Questions
What should I plant in April in zone 4?
In zone 4 during April, focus on: Direct sow peas, spinach, and radishes outdoors. Start cucumbers and melons indoors. Transplant onion seedlings into prepared beds. The frost-free period for zone 4 is May 20 – Sept 15.
Is it too late to plant in April in zone 4?
April is a productive month in zone 4. Cold winters with a moderate growing season. Many popular vegetables thrive with proper timing. Check each crop's days to maturity against your remaining frost-free window (May 20 – Sept 15).
What is USDA zone 4?
USDA Zone 4 has a frost-free growing season from approximately May 20 – Sept 15. Cold winters with a moderate growing season. Many popular vegetables thrive with proper timing.