Pair of Ronde De Nice Summer Squash on a white background.
Young Ronde De Nice Summer Squash arranged on a light background.
Cut and chopped Ronde De Nice Summer Squash with an image of the Eiffel Tower on dark background.
Sliced, cut and whole Ronde De Nice Summer Squash with postcards from France on a dark background.
Pair of Ronde De Nice Summer Squash on a white background.
Young Ronde De Nice Summer Squash arranged on a light background.
Cut and chopped Ronde De Nice Summer Squash with an image of the Eiffel Tower on dark background.
Sliced, cut and whole Ronde De Nice Summer Squash with postcards from France on a dark background.

Summer Squash Seeds,
Ronde De Nice

4.646 ReviewsSKU: #SSQ111Min. seed count: 20
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Description

(Cucurbita pepo). This is a delicious French heirloom variety. The flesh of this round, green zucchini is very tender and fine flavored, making it an ideal squash for stuffing. A popular variety for home gardens and specialty growers. Vigorous, quick-growing plants.

Growing Tips: Ronde De Nice is a French heirloom summer squash prized for its round, pale green fruits and delicate flavor. Its compact, bush-type growth makes it perfect for small gardens or raised beds. Harvest young, around 2–3 inches in diameter, for best taste and texture. Keep plants well-watered and fertilized to support continuous production throughout the growing season.

Plant Details

Botanical Name
Cucurbita pepo
Life Cycle
Annual
Growth Habit
Bush
Sun Requirement
Full sun
Days to Germinate
5–10
Days to Maturity
45–55
Planting Depth
1 in.
Plant Spacing
24–36 in.
Ideal Temperature
70–95°F
Frost Hardy
No

When to Grow

Plant seeds directly in the garden after the last frost date, once soil temperatures reach 70°F or warmer. For an earlier harvest, sow seeds indoors 2–4 weeks before transplanting. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Sow Ronde De Nice squash seeds 1 inch deep in fertile, well-draining soil. Space plants 24 to 36 inches apart to allow for airflow and room to grow. If transplanting, harden off seedlings and plant outdoors after the threat of frost has passed. Keep the soil consistently moist until seedlings are well established.

How to Grow

Water regularly at the base of the plant to reduce the risk of foliar diseases. Mulch to conserve moisture and suppress weeds. Fertilize every 3–4 weeks with compost or organic fertilizer. Harvest often to encourage continued fruit production. Monitor for pests like squash bugs and remove them promptly to protect the crop.

How to Save Seeds

Note that there are four different species of squash: Cucurbita maxima, C. pepo, C. moschata, and C. mixta. They will not cross pollinate with each other, so it is possible to grow one of each species for seed saving without worrying about cross pollination. If you are planning to save seeds from several varieties of the same species, you can bag the blossoms and hand pollinate to avoid crossing.

  • Allow fruit to remain on the plant until it fully matures, and the skin hardens and the color deepens.
  • Harvest and cure squash in a warm, dry area for 2–3 weeks.
  • Cut open the fruit and scoop out seeds, removing attached pulp.
  • Wash seeds thoroughly and lay them out in a single layer to dry.
  • Dry seeds for 2–3 weeks in a well-ventilated space before storing.
  • Store seeds in a cool, dry container labeled with variety and date.

FAQ

What is the best size to harvest Ronde De Nice squash?

For peak flavor and tenderness, harvest when fruits are about the size of a golf ball or slightly larger, around 2–3 inches in diameter. Larger fruits can become seedy and less flavorful.

Can I grow Ronde De Nice squash in containers?

Yes, its compact bush habit makes it suitable for containers. Use a 5-gallon or larger pot with rich, well-draining soil and place in full sun for best productivity.

What does Ronde De Nice squash taste like?

This variety has a mild, buttery flavor with a tender texture. It's excellent when stuffed, sautéed, or roasted, and its round shape makes it ideal for elegant culinary presentations.

Browse our full range of summer squash seeds.
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