Lay the black plastic mulch over the entire bed, pushing the edges into the trench. Refill the trench with the removed soil and tamp it into place. This holds the mulch down so wind doesn’t pull it up. Cut a 3-inch diameter hole in the plastic mulch for each watermelon seedling, spacing the holes 3 feet apart.
Can watermelons grow on black plastic?
Black plastic in the field gives watermelons an early start to growth. Another way to get an early start on a watermelon crop is to use black plastic mulch. The black plastic absorbs the sun’s warmth, allowing the soil to warm quickly. To plant, punch a small hole in the plastic and plant the seed or transplant.
What is the best mulch for watermelons?
Untreated grass clippings are one of the best mulches for the vegetable garden and your watermelon patch. Spread 1 inch of clippings over the soil each week. The clippings reduce weed growth and conserve moisture, while breaking down as nitrogen. You’re also using a free, readily available resource.
How do you use black plastic mulch?
Spread the plastic over the bed, and scoop soil over the edges, so no gaps occur at the edges where the mulch isn’t in contact with the soil. Cut holes in the plastic, spaced according to the requirements of the plants you plan to grow, and plant through the holes into the soil underneath.
When should I mulch my watermelon?
Even where winters are not severe, gardeners can use a black plastic mulch to heat the soil, retain moisture and prevent soil-borne disease for a better watermelon crop. Unlike most plants, the time to mulch watermelons is in late winter, before you plant the first seed or transplant.
Can you grow watermelons on plastic?
Plastic mulch applied one or two weeks before the last expected spring frost also warms the soil, which improves early watermelon growth when you sow after frost. Plastic also retains soil moisture and keeps developing fruit away from soil pathogens.
Do watermelons need a lot of water to grow?
Typically, watermelon plants need 1-2 inches of water per week so that the soil stays moist but not wet. If you’re not getting enough rain each week, make sure you give your plants an extra drink.
What to put under watermelons while growing?
Instead, place small patches of plastic sheeting, coarse straw or a piece of plywood directly under melon fruits that have become at least softball sized. As long as the melon doesn’t rest directly atop wet soil or mulch, there’s much less chance for the melon’s underside to rot.
How do you keep watermelon from rotting on the ground?
Use a cage, plastic mulch, stakes, straw mulch or other materials to protect the fruit from the ground. You can even use a wooden board for the fruit to rest on as it matures.
How do I make my watermelon sweeter when growing?
According to Modern Farmer, you should add four to six inches of composted manure to the planting bed before you plant for maximum sweetness. They state that watermelon is at its sweetest point when the vine shrivels at the fruit or the fruit detaches on it’s own.
How do you increase watermelon fruit size?
To maximize the size of the melon, water the plants regularly in deep water sessions that keep the soil moist. Side dress the Watermelon plants with fertilizer prepared for edible crops or fertilizer tea to feed the plants. Fertilizer encourages growth to produce large melons.
What is the best fertilizer for watermelons?
For watermelons, apply a fertilizer high in phosphorous, such as 10-10-10, at a rate of 4 pounds per 1,000 square feet (60 to 90 feet of row). Make a trench on the planting bed 4 to 6 inches deep and 2 inches from the side of the row. Cover the fertilizer and plant so seeds do not touch the fertilizer.
Is Epsom salt good for watermelon plants?
For sweeter watermelons and cantaloupes when the plant starts vining and again when small 1-inch melons appear, spray with 6 1/2 tablespoons Epsom salts and 3 1/2 tablespoons borax in 5 gallons of water. For more fruit on your pepper plants, fertilize the plant by burying an open one-half pack of book matches near it.
Should you thin watermelon vines?
Watermelons can weigh as much as 200 pounds (90.5 kg.), but to get one that size, thinning watermelon fruit is a necessity. The vine simply does not have enough nutrients to foster more than one fruit of that size.
How much space do watermelons need?
Give watermelon vines plenty of room to roam, which usually means spacing plants 3 to 5 feet apart. After planting, cover seedlings with floating row covers to keep out insects and trap warm air near plants.
How far apart do watermelon plants need to be?
General guidelines for common varieties of watermelon are to plant three seeds 1 inch (2.5 cm.) deep in hills that are spaced 4 feet (1 m.) apart and allowing 6 feet (2 m.) between rows.
What is the best month to plant watermelon?
The best time to plant watermelon seeds is from late spring to early summer, or when the soil temperature reaches 70 degrees or above. Watermelon seeds germinate easily and quickly, and seedlings don’t usually transplant well, so there’s no need to start them in a pot or seed tray.
How long does it take for a watermelon to grow to full size?
80-90 days
Watermelons require 80-90 days from seed sowing to grow a full-size watermelon. Some smaller-sized watermelons (like Sugar Baby) can reach maturity in closer to 70 days.
How many times a day should I water watermelon?
Watermelons do not need water every single day. Only consider watering your watermelons daily when temperatures exceed 90°F (32°C). Watering 1–2 times per week works well as long as temperatures are below 90°F. Try to keep the soil moist to a depth of 12 inches (30 cm) at all times.
What can you not plant near watermelon?
The best plants to companion with watermelons are herbs, lettuces, marigolds, nasturtiums, and radishes. Avoid planting cucumbers, squash, and potatoes near watermelons to help reduce the risk of pests.
How deep do watermelon roots grow?
Watermelon roots commonly grow 8 to 10 or more inches deep; the hole and mound become a reservoir of moisture and nutrients.
Elvira Bowen is a food expert who has dedicated her life to understanding the science of cooking. She has worked in some of the world’s most prestigious kitchens, and has published several cookbooks that have become bestsellers. Elvira is known for her creative approach to cuisine, and her passion for teaching others about the culinary arts.