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Tennessee Planting Guide & Growing Season

Tennessee is in USDA hardiness zone with a growing season of 200 days. The average last spring frost is Mar 30 - Apr 20 and the average first fall frost is Oct 15 - Nov 1.

USDA Zone Hardiness zone
Last Frost Mar 30 - Apr 20 Average spring
First Frost Oct 15 - Nov 1 Average fall
Growing Season 200 days Moderate season

Growing Conditions in Tennessee

USDA Hardiness Zone
Average Last FrostMar 30 - Apr 20
Average First FrostOct 15 - Nov 1
Growing Season Length200 days

How Tennessee Compares

Compare Tennessee's growing conditions with states that have similar climates.

StateUSDA ZoneLast FrostFirst FrostSeason (days)
Tennessee (TN) Mar 30 - Apr 20Oct 15 - Nov 1200
Alabama (AL) Mar 1 - Apr 1Oct 25 - Nov 15220
Alaska (AK) May 15 - Jun 15Aug 15 - Sep 15105
Arizona (AZ) Feb 1 - Apr 15Oct 15 - Dec 15270
Arkansas (AR) Mar 15 - Apr 15Oct 15 - Nov 1210
California (CA) Jan 15 - Apr 15Oct 15 - Dec 31290

Frequently Asked Questions About Gardening in Tennessee

When should I start seeds indoors in Tennessee?

In Tennessee, the average last frost date is Mar 30 - Apr 20. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for Tennessee is undefined, with a growing season of approximately 200 days.

What USDA hardiness zone is Tennessee?

Tennessee falls in USDA hardiness zones undefined. This affects which perennial plants will survive winter and influences optimal planting times.

When is the first frost in Tennessee?

The average first frost date in Tennessee is Oct 15 - Nov 1. Plan to harvest cold-sensitive crops before this date or protect them with row covers.

How long is the growing season in Tennessee?

Tennessee has an average growing season of 200 days, from the last frost (Mar 30 - Apr 20) to first frost (Oct 15 - Nov 1). This moderate season works well for most common vegetables.

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