When to Plant Parsley in Indiana
More than a garnish. Parsley is a biennial that produces abundantly its first year and is one of the most nutritious herbs.
The Short Answer
Indiana Frost Dates
Your planting dates depend on which part of Indiana you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Indiana | 5b, 6a | Apr 25 - May 10 | Oct 1 - Oct 15 |
| Central Indiana | 6a, 6b | Apr 15 - May 1 | Oct 10 - Oct 25 |
| Southern Indiana | 6b | Apr 10 - Apr 25 | Oct 15 - Nov 1 |
Parsley Planting Schedule for Indiana
Northern Indiana (Zones 5b, 6a)
Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15
Central Indiana (Zones 6a, 6b)
Average last frost: Apr 15 - May 1 · Average first frost: Oct 10 - Oct 25
Southern Indiana (Zones 6b)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 15 - Nov 1
Growing Parsley in Indiana
Parsley in Indiana's Climate
Parsley grows all season in your climate. Transplant from mid-April. The biennial rarely bolts in its first year, giving you months of continuous harvest. Fall parsley often survives winter under mulch in your milder microclimates for an even earlier start next spring.
Soil Considerations for Indiana
Clay-heavy soils common statewide. Rich but can have drainage issues. Raised beds help with heavy clay.
Indiana Climate & Growing Season
Four seasons. Hot, humid summers. Adequate rainfall for most crops. Occasional late spring frosts catch gardeners off guard.
Growing season length varies across Indiana: Northern Indiana (5b, 6a) has a last frost around Apr 25 - May 10, while Southern Indiana (6b) sees frost end around Apr 10 - Apr 25. This difference matters for parsley — adjust your planting dates to match your specific region.
Growing Tips
Parsley seeds are notoriously slow to germinate — soak overnight before planting. It's a biennial: lush leaves year one, seeds year two.
Companion Planting
Plant parsley alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026