Cauliflower Seeds, De Jesi
A couple of freshly cut heads of De Jesi Cauliflower on a white background.
De Jesi Cauliflower head and florets.
Close-up of a De Jesi Cauliflower head.
Cauliflower Seeds, De Jesi
A couple of freshly cut heads of De Jesi Cauliflower on a white background.
De Jesi Cauliflower head and florets.
Close-up of a De Jesi Cauliflower head.

Cauliflower Seeds,
Di Jesi

4.73 ReviewsSKU: #CA113Min. seed count: 150
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Description

(Brassica oleracea). Nutty, sweet flavor and incredible fractal patterns in a stunning creamy white color make this a favorite cauliflower in Italy. A beloved heirloom hailing from Jesi, Italy, this mild-flavored variety is perfectly suited to marketing. In Italy it is called "snail cauliflower" for its funny twirled patterns, and it is a favorite of world-renowned chef Peter Gilmore.

Growing Tips: De Jesi cauliflower thrives in cool weather and is more tolerant to warmer conditions compared to other varieties. It requires full sun and rich, well-drained soil with a pH of 6.0-7.5. Regular, consistent watering is essential to prevent stress and promote healthy growth.

Plant Details

Botanical Name
Brassica oleracea
Life Cycle
Biennial
Sun Requirement
Full sun
Days to Germinate
7–10
Days to Maturity
70–80
Planting Depth
¼–½ in.
Plant Spacing
18–20 in.
Ideal Temperature
50–75°F
Frost Hardy
Yes

When to Grow

This variety can be planted in early spring for a summer harvest or late summer for a fall harvest. Start seeds indoors 6-8 weeks before the last frost date and transplant out when the plants are 4-6 weeks old with 4-5 true leaves, around 2 weeks before the last frost. For a fall harvest, count back about 16-20 weeks from your average first fall frost: sow indoors in early to midsummer and transplant out about 10-12 weeks before that first frost, so the heads get the full 70-80 days they need. 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

Start seeds indoors 1/4 to 1/2 inch deep in seed trays. After 4-5 weeks, transplant seedlings outdoors, spacing them 18-20 inches apart in rows that are 24-36 inches apart. Ensure the planting site receives full sun and has well-draining, fertile soil.

How to Grow

De Jesi cauliflower requires regular watering to keep the soil moist but not waterlogged. Mulching around the plants helps retain moisture and regulate soil temperature. Fertilize every 3-4 weeks with a balanced fertilizer. To maintain the heads' white color, blanch them by covering them with leaves when they reach 2-3 inches in diameter.

How to Save Seeds

  • For a seed saving crop, isolate cauliflower from other brassicas (such as broccoli and kale) by one mile to avoid cross pollination.
  • Select your best plants to keep for seed and leave them to flower.
  • In short-season areas with harsh winters, the plants can be mulched and left in the ground with a row cover, and in the second season the plant will send up flower stalks from the head. As they mature, they will become seed pods.
  • Once the plant has died back and the seed stalks/pods are brown and dry, pull the entire plant and hang it for up to two weeks in a dry, well-ventilated area.
  • Break open the seed pods with your hands or a rolling pin over a container such as a bowl or plate, and separate and extract the seeds.
  • Properly stored (keep them cool and dry!), the seeds of cauliflower and other brassicas will be viable for up to five years.

FAQ

Can De Jesi cauliflower tolerate heat better than other varieties?

Yes, it has a higher tolerance for warm weather, making it suitable for regions with slightly warmer climates.

How often should I water De Jesi cauliflower?

Water regularly to keep the soil consistently moist, providing about 1-1.5 inches of water per week, especially during dry spells, to prevent stress and ensure healthy head development.

What companion plants work well with De Jesi cauliflower?

Good companions include herbs like dill and thyme, as well as vegetables such as onions and beets. These can help deter pests and improve growth conditions. Avoid planting with tomatoes and pole beans, which can inhibit cauliflower growth.

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