'Rotonda Bianca Sfumata di Rosa' Eggplant - Solanum melongena

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Traditional cultivation method & heirloom variety. Regionally adapted landrace. Genetically stable & open-pollinated - 100% free from hybrid breeding, GMOs, and synthetic fertilizers. Organically propagated - Non-proprietary variety.

Local pickup at Benjis Seeds

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Harvest year:

2024

Seed viability:

9 years (species-specific)
Detailed information on germination capacity

Description

Cultivation & Characteristics

Tips & Reviews

'Rotonda Bianca Sfumata di Rosa' Eggplant – historical Italian rarity with white-pink-violet fruits. 

This mid-early, open-pollinated eggplant impresses with its uniquely colored fruits, ripening from white to pink to violet, with a mild-sweet, creamy-aromatic flavor. It ripens reliably and is ideally suited for greenhouse, protected outdoor cultivation, and container growing. Robust, productive, and open-pollinated – perfect for self-sufficiency and organic farming.

 

  Origin & History

‘Rotonda Bianca Sfumata di Rosa’ is a traditional Italian variety with a long history in Mediterranean vegetable cultivation. Its name describes the characteristic coloring: “Rotonda” (round), “Bianca” (white), and “Sfumata di Rosa” (shaded pink) – a fitting description of its unique appearance.

The variety originates in Italy and has been cultivated there for many generations. Particularly widespread in the northern Mediterranean, it is known in regions such as Riazzino in Ticino and is part of the local food culture. It belongs to the rich Italian eggplant tradition that developed since the Middle Ages, after the plant reached southern Europe via the Arab world. In Italy, numerous regional forms emerged, of which Rotonda Bianca Sfumata di Rosa is one of the most striking.

It has long been maintained in home gardens and small-scale farming, where diversity, flavor, and varietal purity were paramount. In contrast to modern hybrid varieties bred for uniformity and transportability, it embodies the diversity and quality of old vegetable varieties. To this day, it is preserved by conservation initiatives and dedicated seed networks. Thus, it is not only a culinary specialty but also a piece of agricultural heritage – a symbol of seed sovereignty and biodiversity. It highlights the richness of the vegetable garden and the importance of freely accessible, open-pollinated crops.

 

  Appearance & Characteristics

The plant grows vigorous and upright, with broad branching, reaching up to 120 cm in height. It produces numerous fruit clusters and carries large, dark green foliage.

Fruit details:

  • Size: Large, approx. 300-500 g per fruit

  • Shape: Round to slightly flattened, approx. 8-12 cm in diameter

  • Color: White-pink-violet with pure white flesh

  • Texture: Tender, firm, thin-skinned

  • Flavor: Mild-sweet, creamy-aromatic without bitterness - versatile in use

 

 Usage & Cultivation Highlights

The fruits are excellent for fresh use, cooking, roasting, grilling, and especially stuffing. Their mild-sweet, creamy-aromatic flavor and the extraordinary white-pink-violet coloring make them a true eye-catcher in vegetable dishes, adding both visual and culinary distinction. Traditionally, they are used in Mediterranean recipes such as “Parmigiana di Melanzane” or stuffed vegetable dishes.

With vigorous growth and resilience, the variety thrives reliably in greenhouses, protected outdoor beds, and even in pots. Easy to care for and adaptable to different sites, it delivers stable yields even under variable weather conditions – with consistent fruit set well into autumn. It also shows good heat tolerance and offers a long harvest period, ensuring a continuous supply of fresh fruits. When heavily loaded with fruits, a light support is recommended to ease the strain and secure stability. Even in container culture, it performs reliably, making it ideal for smaller gardens, terraces, and balconies. Its robustness makes it suitable for both experienced gardeners and beginners alike.

Compared to other eggplants, ‘Rotonda Bianca Sfumata di Rosa’ is particularly aromatic, decorative, and productive – perfect for those who value open-pollinated varieties with high yields, unique appearance, and historical significance.

Cultivation_Overview_-_Anbau_im_Uberblick_-_Visao_geral_do_cultivo_-_www

Origin & Cultivation at a Glance

First mention:

Not known - traditional heirloom variety

Breeder:

Unknown – heritage variety

Origin:

Italy

Propagation site:

Lower Saxony – Germany

Suitable for:

Open field, Greenhouse, Polytunnel, Balcony / pot, Urban gardening, Vertical cultivation

Care requirements:

Low to medium - generally uncomplicated, manageable with some attention.

Overwintering:

Not winter-hardy – can be cultivated outdoors as an annual. Can be overwintered in a greenhouse in mild climates.

Suitability for cultivation and use:

Summer crop, Peak season, Self-sufficiency, Biodiversity, Variety conservation, Educational projects / School garden, Direct marketing, Processing, Ornamental variety
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Cultivation guide for

<tc>Rotonda Bianca Sfumata di Rosa</tc>

Growing difficulty:

Light to medium
In subtropical climates, pre-cultivation is possible from January - transplant outdoors from March in full sun, once day and night temperatures remain consistently above 15 °C.
In temperate regions, start indoors from March – transplant outdoors in full sun from mid-May after the last frost.
Sow in deep, well-drained, humus-rich and nutrient-rich loamy soil - 0.5-1 cm deep. Plant spacing: 50 × 70 cm.

Special features:

High-yielding, Sun-loving / sunny, Low-maintenance, Heat-tolerant

Cultivation tips:

Eggplants are heat-loving and thrive only at temperatures above 20 °C.
At temperatures below 15 °C, plant growth slows significantly - cold stress can inhibit development.
Consistent watering enhances fruit quality and promotes healthy plant growth.
In temperate climates, a rain cover is recommended – a simple roof or plastic tunnel is sufficient.
A simple support stake provides secure stability for the shoots, increases yield, and makes care easier.
Bring pots indoors or into the greenhouse in autumn – this way the season can be significantly extended.
Regular harvesting encourages new fruit set and increases overall yield.
Biochar and rock dust improve soil structure and enhance the retention of nutrients and water.

Storage instructions:

Store seeds in a cool, dry, dark, and airtight environment to maximize shelf life and germination.
Detailed information on seed storage
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Plant Profile

Plant details

Botanical name:

<tc>Solanum melongena L. 'Rotonda Bianca Sfumata di Rosa'</tc>

Growth habit:

Upright growth

Botanical family:

Solanaceae

Plant height:

120 cm

Plant type:

Fruit vegetables

Plant width:

50 cm

Life cycle:

Perennial (grown as an annual)

Root type:

Shallow to moderately rooted

Cultivation period:

7-8 months

Hardy to:

Not hardy - sensitive to cold. Growth is severely damaged below 10 °C, frost-sensitive.

Cultural meaning:

Historical, Traditional, Regional landrace

Propagation method:

Generative propagation by seed

Propagation:

This variety belongs to the species Solanum melongena and is predominantly self-pollinating.
For seed production, a minimum distance of 50–100 m from other varieties of the same species is recommended to prevent cross-pollination.
The plant is perennial - after flowering, the typical fruits develop, which at full maturity contain numerous seeds.
Seeds are ready for harvest once the fruits are fully matured, change color, and the flesh begins to dry out.

Sowing & Planting

Sowing

Planting

Germination type:

Dark germinator, Warm germinator

Pot culture:

Requires a minimum container size of 15-20 liters.

Sowing depth:

0,5-1 cm

Plant spacing:

50 cm

Germination temperature:

25-28 °C

Row spacing:

70 cm

Germination time:

6-14 days

Row spacing for baby leaf:

Not suitable for baby-leaf cultivation.

Pricking out / thinning out:

3-4 weeks, thin out after formation of the first true leaf pairs.

Planting time:

Tomato seedlings are ready to be planted outdoors about four weeks after potting up, once temperatures are consistently warm. Tomatoes should be planted only after the last frost, once temperatures are consistently warm during the day and night.

Soil

Soil type:

Deep, well-drained loamy soil rich in humus

Soil pH:

6.0-6.8 - slightly acidic to neutral

Nutrient requirements:

Heavy feeder

Soil moisture:

Evenly moist, Sensitive to waterlogging

Soil preparation:

Loosen soil deeply before sowing, Apply compost before planting., Apply lime to acidic soil., Prepare soil weed-free and with a fine crumb structure., Mulch layer for moisture regulation

Companion planting, Crop rotation & Harvest

Companion plants:

Lettuce, Lamb’s lettuce, Spinach, Bean, Carrot, Radish varieties, Onion, Garlic, Basil, Oregano, Marjoram, Thyme, Calendula, Tagetes

Incompatible plants:

Fennel, Cucumber, Zucchini, Tomato, Pepper / Chili pepper, Pea, Celery, Potato

Crop rotation guidelines:

Do not plant after other nightshades – a minimum crop rotation interval of 3 years is recommended.
Repeated cultivation at the same site increases disease pressure, leads to nutrient depletion, and impairs soil structure.
Ideal previous crops include legumes, onions, root vegetables, and green manure – rotating crops supports healthy soil.
Crop rotation with low-nutrient-demanding plants is recommended to prevent soil fatigue and maintain healthy growing conditions.
Plan a green manure crop between heavy-feeding plants and this tomato variety to restore soil fertility.
Avoid planting directly after heavy-feeding crops – allow the soil to recover and replenish nutrients first.

Harvest time:

Summer, Autumn

Sowing to harvest:

4-5 months

Harvested parts:

Fruits

Suitable for consumption:

Yes - edible when cooked.

Intended use:

Diet cuisine, Low Carb, Steaming, Cooking, Roasting, Grilling, Baking, Deep-frying, Stuffing, Pickling, Fermentation, To purée, Preserving, Decoration

Care & Cultivation practices

Water requirements:

High

Plant care techniques:

Water regularly - even during dry periods, Fertilize, Maintain weed-free, Stabilize with a simple support stake, Inspect regularly for pest infestation

Plant protection:

Well-ventilated location and good drainage recommended., Check early for aphids., Mulching recommended

Cultivation notes:

May develop mildew in damp weather – an airy location is recommended. Susceptible to slugs and snails in early development. At a later stage, the hardier leaves are less vulnerable. Can be infested by aphids - occasional monitoring recommended. Sensitive to waterlogging – use well-drained soil.

Other names

EN - English names:

EggplantAubergine

DE - German names:

AubergineEierfrucht

PT - Portuguese names:

Beringela

ES - Spanish names:

Berenjena

FR - French names:

Aubergine
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