Radish Seed Starting Tips

Radish Sowing and Planting Tips Start radishes from seed sown directly in the garden. Seed is viable for 5 years. Start seeds in the garden about 6 to 4 weeks before you expect the last frost in spring. Radish can be started indoors, but they—like most root crops—are difficult to transplant to the garden with success.

Should you soak radish seeds before planting?
Should I start radish seeds indoors?
When should you start radishes?
Do radish seeds need light to germinate?
Why won't my radish seeds germinate?
Will 10 year old seeds germinate?
How fast do radish seeds germinate?
How many radish seeds do you put in a hole?
How do you germinate radish seeds indoors?
What month do you plant radishes?
Can I plant radishes in June?
What should not be planted with radishes and why?

Should you soak radish seeds before planting?

To start your sprouts, you will want to soak your seeds in a bowl of cool water for 4-6 hours, or overnight, making certain that seeds are submersed and not floating on top of the water. This will soften the seed coat and promote germination. After soaking, thoroughly drain off all water.

Should I start radish seeds indoors?

Can you start radish seeds indoors? I do not recommend starting radishes indoors. They hate to be transplanted, and doing so can stunt their growth or cause other problems down the line. For best results, direct sow them into your garden instead.

When should you start radishes?

Sow radishes in the garden 2 to 3 weeks before the average date of the last frost in spring. Sow succession crops every 2 weeks in spring and in autumn. Radishes require 22 to 70 days to come to harvest. Complete the harvest before the weather grows warm.

Do radish seeds need light to germinate?

Although sunlight is needed for radish seeds to grow, it is not needed for them to germinate. ... Sunlight does not affect germination because the seeds are underground and the sun does not come into play until after the radish seed plant has begun to grow above soil.

Why won't my radish seeds germinate?

Your Soil Is Too Cold Or Too Dry

Another reason your radish seeds are not germinating has to do with soil conditions. If the soil is too cold, then your radish seeds might not sprout right away (whether you are growing indoors or outdoors). They may sprout when conditions improve and the soil warms up.

Will 10 year old seeds germinate?

The answer is, yes, seeds will eventually go bad and no longer germinate, but it can take quite a long time. There is a good chance that those old seed packets will have a high percentage of seeds that will germinate just fine. ... And even a group of very old seeds may have 10 or 20 percent that still sprouts.

How fast do radish seeds germinate?

Taking only four or five days to germinate and show their first green growth, radishes seeds are often mixed with the seeds of that germinate much more slowly – carrots and beets, for instance – in order to mark the rows.

How many radish seeds do you put in a hole?

Don't exceed three seeds per hole. If more than one germinates, snip off extras at the soil line also. This prevents disturbance of the seedling roots on the one you'll continue growing out when thinning. Don't add more than one large seed to a hole.

How do you germinate radish seeds indoors?

First Steps: Sow the radish seeds about ½ inch deep, which usually means putting them in the soil and poking them down slightly. I like to place the seeds about 2 inches apart, with the recognition that I might need to “thin” them at some point to let the heartier radishes thrive.

What month do you plant radishes?

Plant radish seeds from early April through early May for a spring crop, and again August 1 through September 1 for a fall crop. Allow about one inch between seeds in the row. Plant the seed of smaller varieties shallowly, one-fourth to one-half inch deep. Plant larger varieties deeper, up to one inch deep.

Can I plant radishes in June?

Summer Planting for Summer Radishes

Be aware that radishes grown in the summer may be stronger in taste and more pungent, according to The New York Times. For the best result, plant these radishes earlier in the summer, like June, when temperatures are cooler, avoiding the intense heat of July and August.

What should not be planted with radishes and why?

Other Radish Companion Plants

Be cautious when planting near brassicas (like broccoli), however, as radishes can attract flea beetles, which will damage this plant's leaves. Hyssop is also not compatible with radishes.