Daikon Radish Seed

Use to Open Up Compact Soils

Item Number: SCN112


In Stock! Ships from Northern CA.


In Stock! Ships from Northern CA.

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Raphanus sativus Cool season cover crop

Daikon is a Japanese word meaning 'large root'. Member of the mustard family, it is also used to open up soils and improve water penetration with its long, deep, thick taproots.

  • Application Rate: 5-20 lbs/acre or 1 lb/1000 sq ft.
  • Inoculant: NA
  • Germination: 7-14 Days
  • Plant Height: 24-36"
  • Days to Maturity: 40-45 Days
  • Uses: Used to open up soils and improve water penetration
  • Facts to Note: Plant in early spring or fall, germinates quickly. Very attractive to beneficial insects.


  • Attracts Beneficial Insects
  • Loosens Heavy Soils
  • Provides Quick Growth


Life Cycle Annual Plant Height Mid-height, 13-36"
Planting Time Spring, Fall Seed Variety Single
Life Cycle Annual
Plant Height Mid-height, 13-36"
Planting Time Spring, Fall
Seed Variety Single

Useful Information

Planting & Growing Guide

Videos & Articles


What You May Need

Shipping Information

Shipping Weight: 1.10 lbs. Dimensions: 8"L x 5"W x 1.5"H


Didn't Really Work For Me

Zone 5B. Daikon Radish hasn't grown well for me. No giant radishes, no opening up of my hardpan and gravel. I've planted spring, summer and fall over 2 years with the same results, stunted, split radishes. Perhaps root knot nematode is the problem or they hit the gravel and stop. Not a complete failure because I'm getting some 3 inch alien looking growth and maybe some of the tiny roots are going down deep. The slugs love this stuff.

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Great for clay or hard soil

We have terrible call soil we have struggled with in our area. I decided to plant this one year between our tomato rows as a weed suppression. It not only suppresses weeds but grows radishes up to 1 foot long that are also 2 inches thick. The leaves lie flat on the ground and are as thick as lettuce leaves. Leave these in the ground as we did and the following year you have much better softer soil. It was a 25% improvement of our clay soil and cheaper than bringing in more soil. We buy every year by the pound to slowly improve the soil all over our property in different areas. The bees love it as well which is a bonus and it seems drought resistant once established. I have noticed better results when planted in the early spring as opposed to the fall. We live in zone 6B.

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