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Radish, Watermelon

Short Description

Heirloom treasure from China.

Full Description

White Glob is a beautiful antique treasure from China with large 3-3 1/2" round roots that are creamy white outside with a full central burst of watermelon rose. Flesh is crispy and mild, with a sweet flavor perfect for salads, garnishes or cooking. Best sown in late summer for fall crop.
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Order: 1 Pkt. (300 seeds)
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Product properties

Type Some flowers and vegetables fall into subcategories that may define how they grow (such as pole or bush), what they are used for (such as slicing tomatoes or shelling peas), flower type, or other designations that will help you select the type of a class of plant that you are looking for.


Days To Maturity The average number of days from when the plant is actively growing in the garden to the expected time of harvest.

60 days

Fruit Size The average size of the fruit produced by this product.

3-4 inches

Sun The amount of sunlight this product needs daily in order to perform well in the garden. Full sun means 6 hours of direct sun per day; partial sun means 2-4 hours of direct sun per day; shade means little or no direct sun.

Full Sun

Spread The width of the plant at maturity.

3 inches

Height The typical height of this product at maturity.

4-6 inches

the burpee




since 1876


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How To Direct Sow Seeds
How To Direct Sow Seeds
Learn how to direct sow seeds from Burpee's expert horticulturist.
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Growing Radishes
Growing Radishes
Radishes are one of the quickest and tastiest crops to grow in early spring and again in fall. See how easy it is to grow in your garden.
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  • Radish

    Start Indoors Start Indoors Starting seeds indoors is called Indoor Sow or Indirect Sow and these dates are when to sow seeds indoors in the spring or summer
    Transplant Transplant When to transplant bulbs or roots in the garden for spring
    Start Outdoors Start Outdoors Starting seeds outdoors is called Outdoor Sow or Direct Sow and these dates are when to sow seeds outdoors in the spring or summer
    Start Indoors Fall Start Indoors Fall Starting seeds indoors in the fall called Indoor Sow or Indirect Sow and these dates are when to sow seeds outdoors in the fall
    Transplant Fall Transplant Fall Transplant Fall-When to transplant bulbs or roots in the garden for fall
    Start Outdoors Fall Start Outdoors Fall Starting seeds outdoors in the fall is called Outdoor Sow or Direct Sow and these dates are when to sow seeds outdoors in the fall
    First Date: Mar-28 - Last Date: May-16
    First Date: Aug-06 - Last Date: Sep-17

How to Sow

  • Sow radish seeds in well-worked soil after danger of frost in early spring, again in late summer for fall crop. In frost free areas, sow in the fall.
  • Sow thinly in rows about 6" apart. Cover with 1/2" of fine soil; firm lightly and keep evenly moist.
  • Seedlings emerge in 4-6 days.
  • Thin to stand about 2" apart.
  • Sow winter radishes in midsummer for late fall and winter use. They can grow large with several inches of root showing above ground.

How to Grow

  • Keep weeds under control during the growing season. Weeds compete with plants for water, space and nutrients, so control them by either cultivating often or use a mulch to prevent their seeds from germinating.
  • Water continuously and evenly. Avoid over-fertilizing radish plants.
  • Keep plants well watered during dry periods to promote uninterrupted growth. Plants need about 1 inch of rain per week during the growing season. Use a rain gauge to check to see if you need to add water. It’s best to water with a drip or trickle system that delivers water at low pressure at the soil level. If you water with overhead sprinklers, water early in the day so the foliage has time to dry off before evening, to minimize disease problems. Keep the soil moist but not saturated.
  • Monitor for pests and diseases. Check with your local Cooperative Extension Service for pest controls recommended for your area.

Harvest and Preserving Tips

  • Pull spring radishes when they are the proper size for the type, about 25 days after planting. If you wait too long to harvest they will become pithy. Push back the soil to see if they have formed bulbs, and taste one or two to see if they are ready. Finish harvest before warm weather comes.
  • Cut off the tops and store in plastic bags at 32-40 degrees F, in the refrigerator, for up to 3 weeks.
  • Harvest winter or fall radishes as needed in fall. Dig all remaining roots before the ground freezes and store throughout the winter (use as needed).
  • Radishes may be eaten raw in salads or sautéed in butter with salt, pepper and herbs as a side dish. Winter radishes may be cooked like turnips or used in stir fry. They may also be pickled.
Days To Maturity
60 days
Fruit Size
3-4 inches
Full Sun
3 inches
4-6 inches
Sow Method
Direct Sow
Planting Time
Fall, Spring
Sow Time
2-4 weeks BLF
3 inches
Radish, Watermelon is rated 3.8 out of 5 by 12.
Rated 1 out of 5 by from Disappointed I planted them as instructed. They bolted and produced only long skinny radishes. Waste of time and money.
Date published: 2016-09-15
Rated 5 out of 5 by from Great radish Planted these first timers and had a BUMPER crop of them. Great flavor, great texture. I left some in because I had too many, and they kept growing! I had some that grew up out of the ground by 12 inches!!!! really neat appearance with the colors.
Date published: 2013-11-21
Rated 5 out of 5 by from Awesome Radish!!! I like radishes but don't usually LOVE them but this is a radish that I LOVE!!!!! They are large, beautiful, and much more mild than the radishes you find in the store. They have a sweet flavor and the longer they stay in the ground the sweeter they are. They are great to slice into thin wedges and eaten raw (with or without dip) or make a beautiful and tasty addition to salad. We received many compliments on these and I will definitely be planting more!!! They do do best in cool weather so we planted them for a fall/winter crop.
Date published: 2012-12-28
Rated 5 out of 5 by from Love this radish Well, I don't like radishes much, but this one is different. It mellows with time instead of getting harsher. It has an exceptional taste, especially with blander foods, sort of peppers them up without being too harsh. Do peel the skin though. This radish is very beautiful when sliced open, just like the picture here. As for growth, in zone 6 it's awesome. I had nearly 100% germination and healthy growth. The bugs and rabbits left it alone very well also. I will be growing this one as long as I'm gardening.
Date published: 2012-10-19
Rated 2 out of 5 by from Will try again in cooler weather. I tried beating the odds and tried growing radishes in the summer. While I did get French Breakfast radishes---though they turned quite bitter because of the summer heat---I didn’t get any bulbs to form with the Watermelon Radishes. However, the germination rates were great and I did get a lot of greens.
Date published: 2012-08-18
Rated 1 out of 5 by from No radish formed Bought seeds and split them among three gardeners. No radishes formed for any of us. We've been eating the greens, but I'm sad that there are no bulbs to slice on my salads.
Date published: 2012-06-17
Rated 4 out of 5 by from What a Radish!!! Because of our weird unusual weather I am just beginning to harvest my crop. I will really take care to space them further apart in the future so I find them before they are 3-4" in diameter. Very spicy and am now searching for recipies to use them up.
Date published: 2012-05-14
Rated 5 out of 5 by from Great For Your Fall Garden These radishes are sweet and mild, still with a slightly bitter bite, but not as spicy as some of the other radishes I've tried. A word of warning: do not grow these in the spring. They do not fair well in warm weather. The first batch I planted in mid-spring (according to Burpee's sowing directions) went directly to seed (we did have an abnormally warm spring and hot summer). After doing some research online I found that these are meant to be planted for fall harvest. I planted again at the beginning of September (zone 5) and they did fantastically. They are HUGE, a good 3"+ each. The greens are also delicious. I highly recommend these.
Date published: 2011-11-16
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