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Watermelon 'All Sweet'

Citrullus lanatus 'All Sweet'

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All Sweet is a large oval watermelon with deep red flesh and is a perfect variety for any sized home garden. Watermelon is a spreading trailing plant that produces large round to oblong fruits with a mottled or striped green skin. Watermelon is grown in tropical and subtropical areas worldwide for its large edible fruit, which is a special kind of berry with a hard rind and no internal division, botanically called a pepo. The sweet, juicy flesh is usually deep red to pink, with many black seeds, although seedless varieties have been cultivated. Watermelons are tender and need a long warm growing season to produce its fruit. Watermelon fruit is 91% water, contains 6% sugars, and is low in fat. In a 100 gram serving, watermelon fruit supplies 30 calories and low amounts of essential nutrients, only vitamin C is present in appreciable content at 10% of the Daily Value.

Planning

Difficulty
Easy
Flowering time
Spring
Fruiting time
Summer, Autumn

Harvesting

Fruits are picked when they are fully ripe. Rolling the melon over and looking at the ground spot where the melon was laying is probably the best method to determine if the melon is ripe. If that portion of the watermelon is a pale yellow color, the melon should be ripe. You can also look at the tendrils (short, curly, stem-like vine) next to the melon. The tendrils are close to the area where a leaf is attached to the main vine. When the first tendril next to the fruit looks dead and dried up, the melon closest to that tendril should be ripe. Watermelons will store longer than other melons and should be refrigerated, especially after cut. All Sweet ripens 90-100 days after sowing.

Propagation

Seed
Sow seeds in Spring, 1.2-2.5 cm deep and 45-91 cm apart. Germination takes 5-8 days.

Special features

Crop rotation
To reduce insect and disease problems, avoid planting cucumber family crops (melons, squash, pumpkins) in the same spot two years in a row.

Geography

Origin
South Africa
Natural climate
Sub-tropical, Tropical, Temperate

Environment

Light
Full Sun
Soil moisture
Moist
Soil type
Loam, Sand
Soil PH preference
Neutral
Frost hardiness
Tender

Uses

Edible
The fruit is edible and can be eaten raw or cooked. Wonderful sweet thirst quencher in summer, freshly cut into slices or added to salads.

Personality

Family
Cucurbitaceae
Flower colour
Yellow, Green
Scent
None

Problems

Major pests of the watermelon include aphids, fruit flies and root-knot nematodes. In conditions of high humidity, the plants are prone to plant diseases such as powdery mildew and mosaic virus. Some varieties often grown in Japan and other parts of the Far East are susceptible to fusarium wilt. Grafting such varieties onto disease-resistant rootstocks offers protection.
Powdery mildew
Powdery mildew
Erysiphaceae

Companion plants

Growing maize between your rows of watermelons will help protect the leaves from wind damage and help keep moisture levels.

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