Why Are My Turnips All Tops and No Roots? What Went Wrong

Sharing is caring!

If your turnips are producing lush leafy tops but tiny or no roots, several common issues may be to blame. Understanding these problems can help you grow healthy, full-sized roots next time.

Turnip
Turnip

Common Causes

  1. Excess Nitrogen Fertilizer
    Too much nitrogen encourages leafy growth at the expense of root development. Use balanced or lower-nitrogen fertilizers.
  2. Overcrowding and Poor Thinning
    Crowded plants compete for nutrients and space, resulting in small or underdeveloped roots. Thin seedlings to recommended spacing early.
  3. Inconsistent Watering
    Uneven moisture stresses plants, causing poor root formation or woody roots. Keep soil evenly moist but not soggy.
  4. Soil Compaction
    Hard, compacted soil restricts root expansion. Turnips need loose, well-draining soil to grow properly.
  5. Planting Too Late or in Hot Weather
    Warm temperatures can cause turnips to focus on leaf growth and bolt, reducing root size and quality.

My Experience

After years growing turnips, I’ve learned that balancing fertilizer, proper thinning, and consistent watering are crucial to avoid “all tops, no roots.”

Written by Stephen Albert

Stephen Albert is a horticulturist, master gardener, and certified nurseryman who has taught at the University of California for more than 25 years. He holds graduate degrees from the University of California and the University of Iowa. His books include Vegetable Garden Grower’s Guide, Vegetable Garden Almanac & Planner, Tomato Grower’s Answer Book, and Kitchen Garden Grower’s Guide. His Vegetable Garden Grower’s Masterclass is available online. Harvesttotable.com has more than 10 million visitors each year.

Turnip seedling

How to Grow Turnips in Hot Weather or Warm Climates
Turnip harvest

How to Prevent Woody Turnips and Improve Texture and Flavor