Zone 4 · Peppers Growing Guide

When to Plant Banana Pepper
in Zone 4

Mild, tangy, productive. Great for pickling and salads. Easier than bell peppers — sets fruit reliably in heat and produces all season.

Plant outdoors
May 20 – Jun 5
Start indoors
Mar 20 – Apr 5
Last Frost
~May 1
Days to harvest
65–75 days
Difficulty
Easy
Start indoors — Zone 4
Harvest window: Aug – Sep

Planting Calendar

In Zone 4, Banana Pepper should be planted outdoors May 20 – Jun 5, after the average last frost date of approximately May 1. Start seeds indoors around Mar 20 – Apr 5 for a head start.

More reliable than bells in Zone 4. Row covers help in cool springs.

Care Guide

Sunlight
Full sun · 6–8 hrs/day
Watering
Moderate
Spacing
18–24 inches
Soil
Well-draining, fertile loam
Days to maturity
65–75 days
Soil pH
6.0–6.8
plant tip · Zone 4

More reliable than bells in Zone 4. Row covers help in cool springs.

Feeding Schedule

How often
every 2 weeks
Feed type
balanced (10-10-10)
Key timing
at transplant, then fortnightly

Lighter feeder than hot peppers. Balanced feed works well throughout the season.

Companion Planting for Banana Pepper

What you plant next to banana pepper makes a real difference — some plants actively help, others compete or attract pests.

Grows well with
  • Basil
  • Carrots
  • Spinach
  • Tomatoes
Keep away from
  • Fennel
  • Brassicas

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Common questions

In Zone 4, start banana pepper seeds indoors around Mar 20 – Apr 5, then transplant outdoors May 20 – Jun 5 after your last frost around May 1. More reliable than bells in Zone 4. Row covers help in cool springs.
Zone 4 has an average last spring frost of approximately May 1 and a first fall frost around Oct 1. These dates vary by specific location — use your ZIP code in the plant app for precision based on the nearest NOAA weather station.
Good companion crops for banana pepper include Basil, Carrots, Spinach, Tomatoes. Avoid planting near Fennel, Brassicas, which can compete for nutrients or attract pests.
Banana Pepper typically takes 65–75 days from transplant or direct sow to harvest in Zone 4. Expected harvest window: Aug – Sep.

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