Growing Radishes

Organic Vegetable Gardening
Fact Sheet

Botanical name: Raphanus sativus



White Radishes

Planting time: SPFA
Seeds per ounce: 2700
Ounces per square foot: 0.013
Minimum legal germination rate: 75%
Germination type:

Short Germinating seeds

Radishes is perhaps the easiest and fastest vegetable there is. Radishes grow best during the cool weather of spring and early summer or in the autumn and winter (subtropical areas). When radishes are grown in high heat with little water, they will become spicy and tough.

Radishes prefer cool moist soil. Don't let the soil dry out during the growing season. The method I use for growing Radishes is as follows:

  1. Pour your carrot seeds into a 5 gallon bucket along with Carrot seeds for the area you're going to plant.
  2. Mix in soil or sand. Make sure you mix well.
  3. Broadcast over the area you're planting.
  4. Water well and never let the area dry out.

This is intercropping.

Within a week your Radishes will germinate first and by the time your carrots begin to germinate and grow you will be harvesting your Radishes making room for your Carrots.


In garden spacing (inches): 2
In flat spacing (inches): -
Planting depth (inches): Broadcast
Maximum number of plants per square foot: 58
Nutrient relationship:: Light Feeder


Days to maturity: 21-63
Harvesting period (days): 7
Minimum yields in pounds /square foot: 1


Diseases: Alternaria Blight, White Rust, Root Rot of Radish, Radish Mosaic Virus, Radish Phyllody.
Insect pests:(Insect Pest Finder) Cabbage Maggot, Flea Beetle, Harlequin Bug, Margined Blister Beetle, Onion Maggot, Pepper Maggot, Striped Blister Beetle, Vegetable Weevil


Boltardy, Bull's Blood, Chioggia, Crosby's Egyptian, Cylindra, Detroit Dark Red, Early Blood Turnip, Early Wonder, Letherman's Green Top, Long Season, Ruby Queen


Organic Gardening Seed and Plant Sources:



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