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Guaranteed to Grow
Neonicotinoid-Free
Heirloom

Charleston Gray Watermelon

Quick Facts:

  • Developed in 1954
  • Bright red flesh & blue-green mottled rind
  • Watermelons average 20-30lb
  • Amazing flavor; One of the best available
  • 85 days to harvest

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Quantity: Packet (25 Seeds)

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We ship to all areas of North America including the United States, its territories and outlying islands, and Canada. International orders may incur an additional charge to cover the handling of customs paperwork. Returns are accepted within 30 days of receipt. Full warranty information can be found here.

Charleston Gray Watermelon

More about Charleston Gray

Citrullus lanatus

Charleston Gray is an open-pollinated watermelon variety developed in 1954 that produces huge yields of 20-to-30-pound watermelons with bright red flesh and a beautiful blue-green mottled rind.  Charleston Gray has amazing flavor, and is counted as one of the best-tasting watermelons available. Melons are ready to harvest approximately 85 days from planting.  A packet contains 25 seeds.

My all-time best tasting watermelon came from this variety.  After my husband prematurely picked one (or so I thought) I asked him to toss it to our pigs.  To my surprise, it broke open to reveal perfect juicy red flesh so I asked him to jump the fence and retrieve a piece... and as I was 8 months p... More

Less

Citrullus lanatus

Charleston Gray is an open-pollinated watermelon variety developed in 1954 that produces huge yields of 20-to-30-pound watermelons with bright red flesh and a beautiful blue-green mottled rind.  Charleston Gray has amazing flavor, and is counted as one of the best-tasting watermelons available. Melons are ready to harvest approximately 85 days from planting.  A packet contains 25 seeds.

My all-time best tasting watermelon came from this variety.  After my husband prematurely picked one (or so I thought) I asked him to toss it to our pigs.  To my surprise, it broke open to reveal perfect juicy red flesh so I asked him to jump the fence and retrieve a piece... and as I was 8 months pregnant, he obliged.  It was by far the best watermelon we'd ever had and consequently I had to humbly admit that maybe I wasn't the best melon picker in the house. - Becky

Citrullus lanatus

Charleston Gray is an open-pollinated watermelon variety developed in 1954 that produces huge yields of 20-to-30-pound watermelons with bright red flesh and a beautiful blue-green mottled rind.  Charleston Gray has amazing flavor, and is counted as one of the best-tasting watermelons available. Melons are ready to harvest approximately 85 days from planting.  A packet contains 25 seeds.

My all-time best tasting watermelon came from this... read more

read less

Citrullus lanatus

Charleston Gray is an open-pollinated watermelon variety developed in 1954 that produces huge yields of 20-to-30-pound watermelons with bright red flesh and a beautiful blue-green mottled rind.  Charleston Gray has amazing flavor, and is counted as one of the best-tasting watermelons available. Melons are ready to harvest approximately 85 days from planting.  A packet contains 25 seeds.

My all-time best tasting watermelon came from this variety.  After my husband prematurely picked one (or so I thought) I asked him to toss it to our pigs.  To my surprise, it broke open to reveal perfect juicy red flesh so I asked him to jump the fence and retrieve a piece... and as I was 8 months pregnant, he obliged.  It was by far the best watermelon we'd ever had and consequently I had to humbly admit that maybe I wasn't the best melon picker in the house. - Becky

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How to Grow Watermelon

Watermelons prefer well-draining soil with a pH between 6.0-7.0 and plenty of organic matter. The soil should be warm (at least 60°F) at planting time and the area should receive full sun for at least 6-8 hours per day. Watermelons are heavy feeders and require regular watering, especially during the fruiting stage. However, it's important not to overwater, as this can cause fruit to split and reduce flavor. Mulching around the base of the plants can help retain moisture and suppress weeds. It's also important to rotate watermelon crops every few years to prevent disease build-up in the soil.

Direct sow seeds outdoors 2 weeks after last frost, once soil temps have reached 70 degrees.  Sow 3-5 seeds per hill with 3 to 4 feet between hills and to 8 feet between rows.  Under ideal conditions germination will occur in 5-8 days. Alternatively, seeds can be sown indoors roughly 3-4 weeks before the last frost.

Transplant outdoors after danger of frost has passed. Make a mound of soil and transplant 2-3 plants into the "hill". Continue along in the row, spacing additional hills 2-3 feet apart. If planting multiple rows, space 8 feet apart.

Insect Pests

Watermelons can be affected by a range of insect pests, including aphids, cut worms, and cabbage loopers. Aphids can be controlled using insecticidal soap while cutworms and cabbage loopers can be controlled using biological controls such as Bacillus thuringiensis (Bt). Regular scouting and early detection can also help prevent serious damage.

Diseases & Other Problems

Watermelons can be affected by various diseases, including anthracnose, leaf blight, downy mildew, bacterial fruit blotch, fusarium wilt, and mosaic viruses (both watermelon and cucumber mosaic virus). Other problems include blossom-end rot and cracking due to uneven watering. It's important to rotate crops, practice tillage and/or remove debris at the end of the growing season to prevent disease buildup in the soil.

To harvest watermelon, wait for the tendril closest to the fruit to dry out and the skin to turn dull. Gently roll the melon to expose its underbelly, which will change from pale green or white to pale yellow. Cut the stem a few inches above the fruit and gently place it in a basket. To store watermelon, keep it in a cool, dry place for up to a week or in the fridge for up to two weeks. Cut watermelon should be wrapped in plastic and refrigerated for up to four days.

CONSIDERATIONS:

Watermelon is an outbreeding plant with male and female flowers present on different parts of the plant. Watermelon will cross pollinate with other varieties of watermelon, but will not cross with muskmelon, honeydew, cucamelon, or bitter melon. Isolate different varieties of watermelon by at least a half mile to ensure varietal purity. Alternatively, watermelon varieties may be caged with introduced pollinators. Hand-pollination of melons is relatively easy, but has a low success rate, even under ideal conditions.

HARVESTING SEED:

Wait until melons are fully mature. Harvest the melon and scoop the seeds and pulp into a bucket. Cover with netting or pantyhose and allow to ferment for 1 day to free the seeds from the pulp (this can also help eliminate bacterial fruit blotch). Spray a heavy stream of water into the bucket to mix the seeds and separate any remaining pulp. Pour off floating seeds and pulp. Repeat until the water runs clear. Pour seeds onto a screen or strainer to remove water, then spread flat on a screen or cookie sheet and place in a warm, well-ventilated place to finish drying.

SEED LONGETIVITY:

Watermelon seeds remain viable for 6 years when stored under ideal conditions.

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Customer Reviews

Based on 2 reviews
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Percival Simpson
Goodfast

Fast and wat i order

S
Suzann Saquicela
Watermelon Seedlings

I'm really excited about growing these yummy watermelons. I planted 4 seedlings of which 2 sprouted. Not sure what happened to the other two but I will try again. The seedlings are looking great and im looking forward to seeing them grow and sprout their friut.

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