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SUS Farms · Utah Seed Library

Growing Radish in Utah

vegetable · Brassicaceae · cool season · 28 days to harvest

Methoddirect
Days to maturity28 days
Seed depth0.5″
Plant spacing1″
Row spacing6″
Germ. temp45–85°F

Schedule (May 15 last frost · Sevier County)

Direct sow4/17
First harvest5/15

Planting depth, drawn to scale

0"1"2"3"4"5"6"0.5" deep

Step-by-step

  1. 1. Direct sow 0.5″ deep, 1″ apart. Soil should be at least 45°F before planting. Black plastic mulch laid two weeks ahead helps in cool springs.
  2. 2. Mulch and water consistently. 2" of straw or wood chip around the base. Drip line at surface. 1" per week including rain.
  3. 3. Harvest around day 28. Fastest crop in the garden — kid-proof and confidence-building. Succession every week.