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Ruud Kleinpaste: Cucurbits

Author
Ruud Kleinpaste ,
Publish Date
Sat, 28 Oct 2023, 12:00pm
Melon Flowers. Photo / Supplied
Melon Flowers. Photo / Supplied

Ruud Kleinpaste: Cucurbits

Author
Ruud Kleinpaste ,
Publish Date
Sat, 28 Oct 2023, 12:00pm

Cucurbits: melons, squash, pumpkins, courgettes, zucchini, gherkins and鈥 cucumbers.

A bit 鈥渢ouchy鈥 鈥攄on鈥檛 like cold spells of weather鈥 cool southerly winds are no good; frost tender.

That鈥檚 why it鈥檚 best to sow them later in spring (from end of October onwards).

I sow them in medium-sized pots with seed-raising mix (high in organic material); these cucurbits appreciate a good organic feed (compost, sheep鈥檚 poo, Seafood Soup 鈥 a great liquid fertiliser) on a regular basis.

But what you have to be careful with is too much water when they have germinated: their new roots are very susceptible to rotting in wet potting mix!

A well-draining mix helps to keep the young roots safe from the rots.

Keep your seedling in a nice, warm spot; around 18 degrees or more during the daytime hours and no less than 7 or 8 degrees at night.

Sunlight is important: at least 7 hours per day direct sunlight.

My tunnel house easily gets those numbers (and allows earlier planting and better regulation of watering too!).

I鈥檓 not too keen on courgettes (which have a habit of becoming marrows 鈥 even worse!); nor am I a pumpkin aficionado. Let鈥檚 face it: in Winter there are heaps of pumpkins on the market and they cost bugger-all!

I usually concentrate on Cucumbers, watermelon, and gherkins.

These fruits are usually largely made of moisture 鈥 which means that when the flowers develop into fruits, the plants need more water (compared to the seedling stage); It鈥檚 the watering (liquid fertiliser!!) that really helps them to expand the fruit to a good size.

Watermelon grows nicely on warm soils 鈥 sprawling all over the place; if you want to help them with lovely warm soil, perhaps cover the soil with some black plastic.

Gherkins and Cucumbers are best grown on a trellis or climbing rack. Again: fruit develop best with increased watering / liquid fertiliser. Cucumbers need to be harvested regularly to make the plant set new fruit.

Summer snack: Pickled gherkins? (or watermelon??).

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