When to Plant Rutabaga in Kentucky

Growing Rutabaga in Kentucky: Complete Guide

Rutabaga (Brassica napus var. napobrassica) is a crop that grows best when sown directly in the garden. Depending on your zone, the right time to direct sow in Kentucky falls between December 28, 2026 (Zone 7b) and January 12, 2027 (Zone 6a), once soil temperatures are consistently warm enough for germination.

Because Kentucky stretches across 4 USDA hardiness zones (6a, 6b, 7a, 7b), planting windows can shift by as much as two to four weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.

With 90 days to maturity, Rutabaga fits comfortably within Kentucky's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.

Rutabaga requires full sun (6+ hours) and regular (1 inch/week) moisture. Southeastern summers are hot and humid; mulch heavily to retain moisture and shade roots during peak heat.

For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Kentucky.