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Organic
Open-Pollinated
and Heirloom Seeds
Shipping costs in metropolitan France
for purchases over a certain amount — excluding plants
Courgette Costata Romanesco - Côtelée
Zucchinis

Costata Romanesco - Zucchini

Ref : P2608 - Cucurbita pepo
Bag of 12 seeds

This old variety offers an abundance of "Cocozelle"-type fruit, ribbed and green-gray in color with light streaks. Their firm flesh can be eaten both raw and cooked.

WHAT ARE THE

WHAT ARE THE CHARACTERISTICS OF COSTATA ROMANESCO ZUCCHINI?

The "Costata Romanesco" zucchini, a member of the Cucurbita pepo species, has a bushy growth habit and produces grey-green, ribbed fruits 15 to 20 cm long. The flowers can be eaten as a salad or fritter.

HOW TO GROW COSTATA ROMANESCO ZUCCHINI SEEDLINGS?

How to grow "Costata Romanesco" zucchini plants from seed?

  • In pots, from March to April. We recommend 2 to 3 seeds per pot. Sow in pots 2 to 3 weeks before transplanting. Be careful not to sow zucchini seeds too early in the season, in which case the roots will become fibrous, making them difficult to develop in the garden. The right temperature for zucchini seeds to germinate is between 18 and 20°C. It's important to keep them moist to encourage germination.
  • Sow outdoors from April to July. To sow directly in the garden, wait until the last frosts have passed and choose a bright spot. In the vegetable garden, prepare holes 2 weeks in advance, filled with compost or organic matter and spaced 1 m apart in all directions, to accommodate the zucchini plants or seeds.

HOW TO GROW COSTATA ROMANESCO ZUCCHINIS?

For good growth of zucchini plants, make sure you plant them in full sun with plenty of space, and provide watering and well-decomposed manure. Hoe and weed regularly and use mulch to preserve soil moisture. Avoid watering the leaves.

Adding companion plants to your vegetable garden will encourage flower development while keeping pests at bay. For example, basil or marigolds.

WHEN TO HARVEST COSTATA ROMANESCO ZUCCHINIS?

Costata Romanesco" zucchinis can be picked between May and October. It's best to harvest the fruit before it reaches maturity. Avoid pulling them off, preferring to cut them close to the stem. Zucchini flowers are also edible.

HOW TO STORE COSTATA ROMANESCO ZUCCHINIS?

Freezing is an effective way of storing fresh zucchinis for up to a year. Cook the zucchinis and place in airtight freezer containers or bags. Lacto-fermentation is also an excellent alternative to the freezer.

WHY DOESN'T MY ZUCCHINI PLANT PRODUCE FLOWERS OR FRUIT?

When a zucchini plant doesn't produce flowers or fruit, there may be several reasons for this.

Zucchini production can be affected by high temperatures. Poor pollination can also prevent fruit formation. To avoid these problems, we recommend growing several zucchini plants together and attracting pollinating insects to ensure good fertilization of the flowers.

HOW TO GROW COSTATA ROMANESCO ZUCCHINI SEEDS?

Here are the steps for producing zucchini seeds:

  1. Choose the most beautiful zucchini plant: the one with the earliest fruit, the one with the most fruit, and so on.

  2. Let the best zucchini from this plant mature on the ground. They will grow and their skin will thicken.

  3. Wash the seeds to remove all pulp.

  4. Let the seeds air-dry on absorbent paper or a plate for about a week.

  5. Store the dried seeds in a paper bag or airtight container away from light and moisture.

  6. The seeds are now ready to be used for sowing next year. But they can be stored for several years without any problem.

We've put together a Youtube video on zucchini seed extraction.

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Sow in pots at 18-20°C, 2 to 3 weeks before planting. Transplant with the root ball into the ground, after the last frosts, at a distance of 1 m in all directions. For sowing directly in the ground, sow after the last frosts when the soil is well warmed. Sow or transplant in planting holes filled with compost and prepared 2 weeks in advance.

Cucurbita pepo

From 250 to 500 g

12 seeds

From 45 to 100 cm

From 15 to 20 cm

Italy

Inconnue

"Semences de Kokopelli" by Dominique Guillet

This ancient variety originated in Italy.

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