Growing Watermelon

Cucurbitaceae c. lanatus : Cucurbitaceae / the gourd family

Jan F M A M J J A S O N Dec
                P P P  

(Best months for growing Watermelon in South Africa - Summer rainfall regions)

  • P = Sow seed
  • Grow in seed trays, and plant out in 4-6 weeks. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 21°C and 35°C. (Show °F/in)
  • Space plants: 60 - 75 cm apart
  • Harvest in 12-17 weeks.
  • Compatible with (can grow beside): Sweetcorn, Sunflowers
  • Avoid growing close to: Potatoes
  • Mature watermelon
  • Melon flower
  • Watermelon

Large, round or oval, smooth green skinned, delicious, sweet pink fleshed melon.

Some have stripes on the skin.

Some varieties will produce fruit up to 14 kg (31 US pounds).

Harvest when the part in contact with the ground is turning yellow and the fruit sounds hollow when tapped.

Watermelon needs plenty of room to grow as it sends out long vines

Needs a long warm season to mature.

Culinary hints - cooking and eating Watermelon

Cut up and eat in slices.
Use to make fruit drinks.
Use in fruit salads.

Your comments and tips

07 Feb 24, Lawrence Msibi (South Africa - Summer rainfall climate)
Which is best fertilizer to use in Mpumalanga for planting watermelons and when to apply such fertilizers. Furthermore, the pesticides etc when to start spaying my watermelons, Thank you so much.
12 Sep 23, Zakes (South Africa - Summer rainfall climate)
Hi. I'm staying in Roodepoort, West of Johannesburg. I'd like to find out what type of watermelons that I can plant in this area. Secondly, what are the biggest and sweetest watermelon type that are suitable for the climate conditions of Roodepoort?. Kind regards Zakes Mahlangu Cell: 082 866 0937 (WhatsApp and Voice)
14 Sep 23, Mike (Australia - sub-tropical climate)
Might be best to pick a variety you like.
05 Sep 23, Babsie (South Africa - Summer rainfall climate)
What makes watermelons to be sugarless
03 Nov 23, Bee-Pie (South Africa - Humid sub-tropical climate)
Watermelon is a desert plant and needs full sun. Watermelons need to produce a lot of leaves to make enough sugar to produce sweet fruit. To do this they need a constant supply of water. It could also be to a nutrient deficiency in your soil.
02 Oct 22, Charles (South Africa - Semi-arid climate)
I want to know how best l can grow water melons in Summer under irrigation.
03 Oct 22, (South Africa - Semi-arid climate)
Irrigate regularly. 2-3 times a week. Small amounts when plant are small then increase the water as they grow.
02 Aug 21, Thembisile (South Africa - Summer rainfall climate)
Where can I buy watermelon seeds? I'm in Swaziland. Thanks
01 Mar 24, Gagu (South Africa - Semi-arid climate)
You can buy seeds at SAS in Manzini,Nami ngiwatsenge khona
03 Nov 23, Bee-Pie (South Africa - Humid sub-tropical climate)
Try www.livingseeds.co.za
Showing 1 - 10 of 77 comments

Hey how did those watermelons turn out. I'm thinking about growing rhem vertically

- Martin

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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