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Courgette 'Bianca di Trieste' is the pale ivory-green equivalent to 'Defender' so a very healthy, quick growing, tasty and productive variety, which looks lovely mixed up with the other two colours on a plate. It is known for producing lots of flowers, good for stuffing.

Do at least two sowings of courgettes, splitting your packets, so that you have fruit to pick for 3-4 months at a stretch. Sow two or three different colours so they look good in the garden and on the plate.

Genus Cucurbita
Group/Species pepo
Variety Bianca di Trieste
Type Half-Hardy Annual
Common Name Courgette, Summer Squash
Border Position Back, Middle
Soil Type Fertile
Site Full Sun
Moisture Moist, Moist but Well-drained
Height 90cm (36in)
Spacing 90cm (36in) apart in each direction when the plants have 5-6 leaves
Sowing, Seeds, Planting Soak seed overnight and sow under cover from late March- April. Push seed, on its side (to prevent it rotting), 2-3cm deep into a 9cm pot of compost. Can be sown direct after last frosts, sow two or three seeds 2.5cm (1in) deep and cover with cloches or jars; leave in place for at least two weeks after seedlings appear. Thin seedlings to leave the strongest one. Indoor-raised seedlings will require potting on into 9cm (3.5in) pots to grow on before planting outside, after the last frosts. Gradually acclimatise seedlings to outside conditions for two weeks by leaving them outside during the day in a bright, sunny spot and bringing them back in, or covering with horticultural fleece in the evening. Prepare the planting area two weeks prior to planting (or sowing). Make a hole about a spade’s depth and width and fill with a mixture of compost or well-rotted manure and soil. Sprinkle a general fertiliser, such as Comfrey Pellets or Organic GroChar Fertiliser, over the soil. Plant one plant in each planting pocket spaced 90cm (2ft 11in) apart. Courgettes also work well in growbags or containers, minimum 45cm (18in) diameter. Allow one plant per container or two per growbag. These will need regular watering as they mature.
Care Tips Water once a week, taking care not to wet the leaves, and feed every fortnight with a high potash liquid fertiliser, such as Organic Tomato Fertiliser with Seaweed, once the first fruits start to swell. Courgettes should be ready to start picking eight weeks from sowing. Powdery mildew can be a problem during hot, dry spells, the only remedy is to keep the soil moist and move plants to a cooler location if possible. Cool weather early in the summer can cause inadequate pollination meaning fruits fail to appear but this is usually a temporary problem and once the weather starts to improve, so will pollination and the plant will correct itself.
Storing Best fresh, but can be stored a few days in the fridge.
Harvesting Mid June-September. Start picking as soon as fruits are 7cm long. You can pick the flowers before this.
Cooking Notes Bianca is a delicious variety for eating raw in salads when small, and perfect to add to a multi-coloured dish like Sarah's courgette risotto or to make a delicate courgette souffle. If they grow to marrow size, make jam, chutney or soups.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice
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Courgette 'Bianca di Trieste' reviews

* * * * * Average based on 1 review
A great Courgette

* * * * *

Reviewed 17th January 2016 by Anna Longley

A really delicious courgette, even my husband enjoyed them and he doesn't really like courgette.
I think that you might need to re-sow them throughout the season as they did not repeat flower in quite the same prolific way that most courgettes do, but maybe this is a blessing!!

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