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Zucchini Diamant F1 - Cucurbita pepo

Cucurbita pepo Diamant
Zucchini, Summer Squash

5,0/5
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I left a review on 27/03/2019, writing "tomatoes"! It is actually about the diamond courgette. Very productive if picked regularly. Vigorous plant requiring plenty of space. Be careful, it is a potassium and phosphorus-hungry plant....

Christianne, 12/06/2019

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Available in 2 sizes

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This plant carries a 6 months recovery warranty

More information

Value-for-money
Non-trailing variety is consumed in the summer when the fruits are still immature. It produces numerous fruits with dark green and shiny skin. Early and abundant in fruits, it is sown from March to June and harvested from July to November.
Ease of cultivation
Beginner
Height at maturity
50 cm
Spread at maturity
1 m
Soil moisture
Moist soil
Germination time (days)
10 days
Sowing method
Direct sowing, Sowing under cover
Sowing period March to June
J
F
M
A
M
J
J
A
S
O
N
D
Flowering time July to August
J
F
M
A
M
J
J
A
S
O
N
D
Harvest time July to November
J
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A
M
J
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A
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D

Description

The 'Diamond' Squash is a non-vining variety consumed in the summer when the fruits are still immature. It produces numerous fruits with dark green and glossy skin. Of excellent taste, it can be eaten raw with a drizzle of olive oil or cooked in ratatouilles, gratins, soups, etc. All kinds of herbs enhance it. The male flowers are excellent when deep-fried. Early and prolific in fruit production, the 'Diamond' Squash is sown from March to June and harvested from July to November.

NB: this variety is marked with the F1 label for "F1 hybrid" as it results from the cross-breeding of carefully selected parents to combine their qualities. This results in a variety that can be particularly tasty and/or early while also being resistant to certain diseases. Sometimes criticised or wrongly associated with GMOs, F1 hybrid seeds are interesting both for their uniformity and their resistance, but unfortunately, their qualities do not pass on to the next generations, so it will not be possible to save the seeds for future sowing.

From orange, green, red, yellow, and black to even blue, smooth, ribbed, warty, with tender skin, etc., squashes and courgettes offer an astonishing variety of shapes, colours, and sizes because they readily hybridise. That is why there are so many different varieties.

In common language, winter squash refers to pumpkins and other squashes with tough skin and delicately sweet flesh. On the other hand, summer squashes or courgettes refer to the different varieties harvested while still young and have tender skin. The latter are consumed with the seeds.

They all originate from America and belong to the large family of cucurbits. They were introduced to Europe in the 16th century.

  • There are about ten species of squashes, with four being the most cultivated in our vegetable gardens. These are Curcurbita pepo, Curcurbita moschata or winter squashes, Curcurbita maxima, and finally Curcurbita argyrosperma.
  • Curcurbita pepo: these are the most common in vegetable gardens and include certain pumpkins, courgettes, pattypan squashes, etc. They are generally recognised by their rigid and lobed leaves and angular peduncle with at least five ribs that do not widen at the insertion point on the fruit.
  • Curcurbita moschata or winter squashes: they have soft leaves. The peduncle is heavily ribbed and visibly widens at the point of fruit insertion. The leaves are heart-shaped.
  • Curcurbita maxima: these are mainly pumpkins. Their peduncle is rounded and becomes somewhat spongy. As the name of the species suggests, it mainly concerns varieties with large fruits. The leaves have five lobes.
  • Curcurbita argyrosperma: very rarely found in our gardens, they have trilobed leaves and a thick, robust, and non-ribbed peduncle.

Generally trailing, they cling to any support with their tendrils. Female flowers can be distinguished from male flowers by their inferior ovary (below the flower), which resembles an embryo of a fruit. In many regions, male flowers are harvested just after pollination to be stuffed or made into fritters. There are many ways to consume squash and courgette. They can be sautéed, fried, baked, made into gratins, soups, or stuffed. Courgettes are a key ingredient in Provençal ratatouille, Italian caponata, couscous, and many other Mediterranean dishes.

Harvest: Pumpkins should preferably be harvested when ripe unless there is a risk of rotting. In that case, they can finish ripening indoors. Courgettes are harvested when young and fresh, still immature. All should be handled carefully and free from any cuts or bruises.

Storage: Courgettes can be cut into pieces and frozen for storage. Their delicate skin is not suitable for storage as is. Winter squash with tough skin can be stored for several months and consumed throughout the winter. Unlike other fruits and vegetables, they need warmth for optimal storage. There is no need to store them in a dark place, so you might as well keep them where their plump silhouette can be appreciated.

Gardener's tip: Place a slate or roof tile under the fruit. It will no longer be in direct contact with the ground, thus avoiding rotting due to moisture. Similarly, they particularly like slightly moist soils. Consider mulching around the plants, especially during the peak of summer. Pumpkins and courgettes are very susceptible to powdery mildew (a fungal disease that leaves a white fuzz on the surface of leaves). Be careful not to water the leaves or flowers. Pair your pumpkins with alliums like chives, onions, shallots, or legumes like beans or peas. On the other hand, the marriage of pumpkin and cucumber may be detrimental to both.

 

Harvest

Harvest time July to November
Type of vegetable Fruit vegetable
Vegetable colour green
Size of vegetable Medium
Interest Flavour, Nutritional value, Productive
Flavour Sweet
Use Table, Cooking

Plant habit

Height at maturity 50 cm
Spread at maturity 1 m
Growth rate normal

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Cucurbita

Species

pepo

Cultivar

Diamant

Family

Cucurbitaceae

Other common names

Zucchini, Summer Squash

Origin

Mediterranean

Annual / Perennial

Annual

Product reference39641

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Planting and care

Seeding Description: Seeding squash and courgettes is very rewarding for the speed at which the plants sprout and their ease of cultivation. They require well-drained soil rich in organic matter. They also need plenty of sunlight and water for beautiful fruits.  

Early Cultivation: In March and April, sow your seeds in holes of two or three in crates or pots with soil rich in organic matter. Then lightly cover and water to maintain a slight humidity. Sprouting is relatively fast: after about ten days, thin out by choosing the strongest plants, then transplant them into well-prepared soil. Each plant requires plenty of space. If possible, space them 1 metre (3 feet) apart. Dig holes about 20 to 25 cm (8 to 10in) in all directions and fill them two-thirds with compost. Position the plant and refill the hole with soil, then tamp firmly.

Seasonal Cultivation: Once the risk of frost has passed, typically at the end of April or May, depending on the region, sow two to three seeds in holes about 2/3 cm (1in) deep. Lightly tamp down the soil, then wait about ten days for the first shoots to appear. When they reach a few centimetres, thin out by keeping only the most vigorous plants.

Harvesting can begin as early as July for immature courgettes. Squash is harvested in autumn. A simple method to know the right time to harvest is to observe the stem. The time has come if it is completely dry and the fruit is ready to detach itself.

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Seedlings

Sowing period March to June
Sowing method Direct sowing, Sowing under cover
Germination time (days) 10 days

Care

Soil moisture Wet
Disease resistance Good
Pruning No pruning necessary

Intended location

Type of use Vegetable garden
Hardiness Hardy down to 1°C (USDA zone 10b) Show map
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil type Silty-loamy (rich and light), 130
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