Radical Radishes!

By:Isabella Rocha,Anna Rogers,Taylor Poore,Akhilesh Pathange

Radish Planting Instructions

  1. Plant four to six weeks before the average date of last frost after aged manure or organic fertilizer has been worked into soil.
  2. Direct sow seeds ½ inch to an inch deep and one inch apart in rows 12 inches apart.
  3. Thin to about 2-inch spacing's. ...
  4. Radishes need sun. ...
  5. Practice three-year crop rotation.

Germination and Harvest Times for Radishes

Germination time: Radishes are a fast-growing, annual, cool-season crop. The seed germinates in three to four days in moist conditions with soil temperatures between 65 and 85 °F

Harvest time: It takes 22 to 70 days to harvest.


We planted our radishes on March 19th, 2015. In three weeks our radishes should be ready, about April 9th, 2015. The seeds should germinate on the 23rd of March, 2015 if the weather is warm enough.

Interesting Facts about Radishes

1. History of Radishes

First cultivated in China, radish crops spread through the Northern Hemisphere and into Europe in the 1500s. Radishes had reached Massachusetts by 1629.

2. All in the Family

Radishes are members of the Brassicaceae (mustard or cabbage) family. The root is related to kale, broccoli, cauliflower, and horseradish, among others.