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How to Grow Turnips

Turnips are one of those vegetables I’d never tried until I started gardening. Freshly harvested turnips and greens are sweet, tender, and delicious. Learn how to grow turnips and add this cool-weather root vegetable (and its greens) to your table. 

5 Tips for How to Grow Turnips

Want to try turnips? Here are five tips for how to grow turnips.

1. Give turnips what they need to grow well

  • Grow turnips in rich, well-drained soil high in organic matter. 
  • Keep soil evenly moist throughout the growing season to keep turnips from becoming woody. 
  • Mulch soil to preserve moisture and prevent weeds. 
  • Although turnips prefer cool weather, they do best with at least 6 hours of sun. Turnips will tolerate partial shade.

2. Plant turnips at the right time

For a continuous harvest, plant turnips every week or ten days throughout the growing season. 

In cooler areas, begin planting turnips 2-3 weeks before your last frost date for a spring harvest. Plant again in late summer for a fall harvest. 

In warmer areas, plant turnips in the fall for a winter harvest. In the low desert of Arizona, plant turnips beginning September 15th through January


Perpetual Herb, Fruit & Vegetable Planting Calendar Zone 9b
  • PLANTING GUIDE: Each month lists vegetables, fruit & herbs to plant outside & seeds to start indoors.
  • HARVEST GUIDE: Photos show what may be ready to harvest that month.
  • Planting dates are for the low desert of Arizona.

3. Plant turnips from seed

Turnips do not transplant well; start seeds directly in the garden. Plant seeds 1 inch apart and ¼ – ½ inch deep. Turnip seeds germinate quickly. Thin seedlings to 3-4 inches apart (depending on the variety) when they are 2-3 inches tall. 

Use row covers to protect young plants from flea beetles and root maggots.

For square foot gardening, plant 9 turnips per square foot.

To grow turnips in containers, plant turnips in containers that are at least 8 inches deep. 

Turnip varieties to try: 

Golden Globe turnips – white-fleshed turnip best harvested when 2-3 inches wide. 

Purple Top turnips – purple on top and white below. Best harvested when 4-6 inches wide.


4. Harvest turnips when young for the best flavor

Harvest bulbs 45-50 days after planting when small and flavorful and before the weather gets hot. Begin harvesting when bulbs are about 2 inches wide or about the size of a radish.

Harvest turnip greens anytime they’ve grown to 10-12 inches. Harvest outer leaves as needed until turnip roots are harvested.


5. Enjoy turnips in a variety of ways

The tender young leaves are delicious fresh, or cooked and are a good spinach substitute. Use the roots fresh, roasted, sautéed, or added to soup. Turnips can be substituted for potatoes with delicious results.


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2 comments on "How to Grow Turnips"

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    1. Turnips can withstand temps to 28°F (-2°C) If you’re going to leave them in the ground past freezing – use a frost blanket. Storage life may be affected.

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