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How to Grow Watermelon

Home Grown Watermelon

 luv2garden.com  - Abigal Gordon's Gardens ®

 

Watermelons are available in many sizes, shapes, and colors. The shapes vary from round to oblong, with colors ranging from light green to almost black. The fruit skin color can be solid, striped, or marbled. The edible portion of the flesh can be yellow, pink, pink-red, bright red, or deep red. An additional choice of seeded vs. seedless is also available.  And don't forget National Watermelon Day - August 3rd ...


 

 

 

Planting Watermelon

Irrigating Watermelon

Fertilizing Watermelon

Watermelon Varieties

Diseases & Common Pests

Harvesting Watermelon


How to Grow Artichoke

How to Grow Asparagus

How to Grow Blueberries

How to Grow Brussel Sprouts

How to Grow Cantaloupe

How to Grow Carrots

How to Grow Cucumbers

How to Grow Eggplant

How to Grow Grapes

How to Grow Onions

How to Grow Peppers

How to Grow Potatoes

How to Grow Pumpkins

How to Grow Raspberries

How to Grow Rhubarb

How to Grow Strawberries

How to Grow Tomatoes

Companion Gardening

Composting

Control Garden Pests

Track Soil pH

Hydroponics Gardening

How to Grow Watermelon from seeds or seedlings  

Watermelon is very susceptible to frost damage,  it requires a long growing season with relatively high temperatures. Daytime temperatures between 70 and 80 degrees F and nighttime temperatures between 65 and 70 degrees F are ideal. Clear plastic mulches will raise soil temperature and helps melon mature several weeks earlier than normal. Individual melons also tend to be larger and sweeter.

Select a site with Full Sun , no shade, or minimal shade.

Gardeners in northern areas should choose early varieties and use transplants. Mulching also promotes earliness by warming the soil .

Plant after the soil is warm and when all danger of frost is past. Watermelons grow best on a sandy loam soil, although yields on clay soils can be increased significantly by mulching raised planting rows. As watermelon require a relatively long/warm growing season it is advisable to start your seedlings indoors, and transplant into your garden when frost danger has disappeared.

Start the seeds inside 3 weeks before they are to be set out in the garden. Plant 2 or 3 seeds in peat pellets, peat pots  and thin to the best one or two plants.

Transplanted watermelons will mature 10 to 12 days earlier than plants that are direct-seeded. Use of seedless varieties, is recommended if you are not seed saving The seed-coat of seedless varieties adheres tightly to the cotyledons, so place seeds with the point up when starting transplants.

 

How to Grow Watermelon  - Watering  

Watering is critical in growing watermelons. The key time to water is from the time the fruit begins to form until it is half-grown. Excessive watering too close to harvesting of watermelon will reduce the sugar content and cause the fruit to have hollow centers. Inexpensive water timers are available.   Check the soil moisture daily or more in hot dry weather and reapply as necessary before the melons go into stress. Always allow the top 1" to 2" of soil to dry between watering again.

 

 

how to grow watermelon - fertilizer requirements
How to Grow Watermelon - Fertilizing
A high phosphorus fertilizer promotes fruiting and is best suited for Watermelon. Weak and poorly maintained vines will produce poor quality fruits.  Large vines will produce a higher quality sweeter melon. Use fertilizer with a ratio of one part nitrogen to four parts phosphorus when planting  , [see our article Understanding fertilizer labels] .

Nitrogen should be added 30 and 60 days after planting to keep the vines growing but in moderation as excess nitrogen will produce excess foliage at expense of the melon. Larger vines are acquired from lots of water and fertilizer, so be sure to leave plenty of room. 

Minimum spacing for watermelons other than bush-type melons is 2X4 feet , even more if you have the room. Close planting results in poor fruit production.  Occasional side dressing with liquid fertilizers such as fish emulsion or manure tea is also helpful, but remember to maintain a low nitrogen and higher phosphorous ratio.  If heavy rainfall occurs early in the season apply an extra side dressing.

 

How to Grow Watermelon - Varieties

There are dozens of varieties of Melons both heirloom and hybrid  Ambrosia Melons, Amish Melons, Amur Melons, Anne Arundel Melons, Densuke Melons, Ein Dor Melons, Fastbreak Melons, Osage Melons, Planter's Jumbo Melons, Summer Melons, Tokyo King Melons, Vert Grimpant Melons, Babáco Melons, Banana Melons, Blue Ridge Melons, Bolero Melons, Butterscotch Melons, Cassabanana Melons, Emerald Gem Melons, Emerald Jewel Melons, Emerald Pearl Melons, Honeyball Melons, Horned Melons, Kharbuza Melons,Pineapple Melons, Sharlyn Melons, Sprite Melons, ,Yellow Melons, Yubari Melons ....

Shop for Watermelon Seeds

 
Standard Varieties
Sugar Baby Watermelon Sweet, fine-textured, medium-red flesh. The round, 12 lb., dark green skinned melons grow 8 in. across.
 
Black Diamond Watermelon Produces 40 to 75 lb watermelons if properly cared for. It has very flavorful bright red flesh. Tough rind helps fruit from bruising.
 
'Charleston Gray' Watermelon This old favorite produces fruits up to 2 feet long and weigh up to 16kg (35lbs). Gray-green rind with succulent, crisp, red, fiberless flesh. Resistant to fusarium wilt and anthracnose.
 
Novelty Varieties
'Yellow Baby' Watermelon Rated best in taste tests,  Naturally self-pollinating and almost entirely seedless. Tolerates cooler weather.
 
Moon & Stars Watermelon yellow dots on black skin  red fruit. Resembles a very large Eggplant with yellow dots.
 
Densuke Melons - Actually this will be my first season attempting to grow this melon it is also known as Hokkaido Black .  A Japanese man recently bought one at Auction for $6100
 
 

How to Grow Watermelon -Weed Control 

Weed control in Watermelon is critical primarily in the watermelon plants early early stages. Once the plant is healthy and established it should be dominating the area . Cultivate shallowly near roots , very shallow.

See: Weeds: Control Without Poisons

 

 

Harvesting Watermelon

Determining optimum maturity of a watermelon can be difficult
Many home gardeners experience difficulty in determining when watermelons are ripe. Use a combination of the following indicators: (1) light green, curly tendrils on the stem near the point of attachment of the melon usually turn brown and dry; (2) the surface color of the fruit turns dull; (3) the skin becomes resistant to penetration by the thumbnail and is rough to the touch; and (4) the bottom of the melon (where it lies on the soil) turns from light green to a yellowish color. These indicators for choosing a ripe watermelon are much more reliable than "thumping" the melon with a knuckle. Many watermelons do not emit the proverbial "dull thud" when ripe. For these, the dull thud may indicate an over-ripe, mushy melon.

Harvest watermelons when: the stem starts to shrivel, the underside yellows and you when you knock the melon you get a dull, hollow sound - sometimes.

 

 

 

References

The Organic Home Garden: How to Grow Fruits and Vegetables Naturally

Garden Wisdom: Traditional Tips for Making Your Garden Grow

 

 

 

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